[INFO] fetching crate chasm-rs 0.1.0...
[INFO] checking chasm-rs-0.1.0 against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] extracting crate chasm-rs 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate chasm-rs 0.1.0 on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chasm-rs 0.1.0
[INFO] finished tweaking crates.io crate chasm-rs 0.1.0
[INFO] tweaked toml for crates.io crate chasm-rs 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding logos v0.12.1 (latest: v0.14.0)
[INFO] [stderr]       Adding logos-derive v0.12.1 (latest: v0.14.0)
[INFO] [stderr]       Adding memory_units v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding num-bigint v0.2.6 (latest: v0.4.6)
[INFO] [stderr]       Adding num-rational v0.2.4 (latest: v0.4.2)
[INFO] [stderr]       Adding parity-wasm v0.42.2 (latest: v0.45.0)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.4)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.72)
[INFO] [stderr]       Adding wasmi v0.9.1 (latest: v0.36.0)
[INFO] [stderr]       Adding wasmi-validation v0.4.1 (latest: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasmi-validation v0.4.1
[INFO] [stderr]   Downloaded memory_units v0.3.0
[INFO] [stderr]   Downloaded parity-wasm v0.42.2
[INFO] [stderr]   Downloaded wasmi v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b55dada35717d742ae5956ace9169dd607e7423d72b04776d817458de8974923
[INFO] running `Command { std: "docker" "start" "-a" "b55dada35717d742ae5956ace9169dd607e7423d72b04776d817458de8974923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b55dada35717d742ae5956ace9169dd607e7423d72b04776d817458de8974923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b55dada35717d742ae5956ace9169dd607e7423d72b04776d817458de8974923", kill_on_drop: false }`
[INFO] [stdout] b55dada35717d742ae5956ace9169dd607e7423d72b04776d817458de8974923
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc9df25d3fd43e9ece11f62a99fccfce8ede49fb5f749d71f201e78d01a6e7a6
[INFO] running `Command { std: "docker" "start" "-a" "dc9df25d3fd43e9ece11f62a99fccfce8ede49fb5f749d71f201e78d01a6e7a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]     Checking parity-wasm v0.42.2
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking arrayref v0.3.8
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]    Compiling blake3 v1.5.3
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]     Checking wasmi-validation v0.4.1
[INFO] [stderr]     Checking wasmi v0.9.1
[INFO] [stderr]     Checking logos v0.12.1
[INFO] [stderr]     Checking chasm-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/wasm_macro.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             drop(&mut vector);
[INFO] [stdout]    |             ^^^^^-----------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut Vec<u8>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         wasm!(&mut w, (functype (vec f32) (vec)));
[INFO] [stdout]    |         ----------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `wasm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 45 -             drop(&mut vector);
[INFO] [stdout] 45 +             let _ = &mut vector;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/wasm_macro.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             drop(&mut n);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut u64`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         wasm!(&mut w, (functype (vec f32) (vec)));
[INFO] [stdout]    |         ----------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `wasm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 46 -             drop(&mut n);
[INFO] [stdout] 46 +             let _ = &mut n;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/wasm_macro.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             drop(&mut vector);
[INFO] [stdout]    |             ^^^^^-----------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut Vec<u8>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         wasm!(&mut w, (functype (vec f32) (vec)));
[INFO] [stdout]    |         ----------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `wasm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 45 -             drop(&mut vector);
[INFO] [stdout] 45 +             let _ = &mut vector;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/wasm_macro.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             drop(&mut n);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut u64`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         wasm!(&mut w, (functype (vec f32) (vec)));
[INFO] [stdout]    |         ----------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `wasm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 46 -             drop(&mut n);
[INFO] [stdout] 46 +             let _ = &mut n;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/wasm_macro.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             drop(&mut vector);
[INFO] [stdout]    |             ^^^^^-----------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut Vec<u8>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             wasm!(&mut w, (vec));
[INFO] [stdout]    |             -------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `wasm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 45 -             drop(&mut vector);
[INFO] [stdout] 45 +             let _ = &mut vector;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/wasm_macro.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             drop(&mut n);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut u64`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             wasm!(&mut w, (vec));
[INFO] [stdout]    |             -------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `wasm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 46 -             drop(&mut n);
[INFO] [stdout] 46 +             let _ = &mut n;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/wasm_macro.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |               drop(&mut vector);
[INFO] [stdout]    |               ^^^^^-----------^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    argument has type `&mut Vec<u8>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 | /     wasm!(&mut binary,
[INFO] [stdout] 87 | |         (section import (vec
[INFO] [stdout] 88 | |             (import "env" "print" (function 0x0))
[INFO] [stdout] 89 | |             (import "env" "memory" (memory 1))))
[INFO] [stdout] 90 | |     );
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `wasm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 45 -             drop(&mut vector);
[INFO] [stdout] 45 +             let _ = &mut vector;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/wasm_macro.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |               drop(&mut n);
[INFO] [stdout]    |               ^^^^^------^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    argument has type `&mut u64`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 | /     wasm!(&mut binary,
[INFO] [stdout] 87 | |         (section import (vec
[INFO] [stdout] 88 | |             (import "env" "print" (function 0x0))
[INFO] [stdout] 89 | |             (import "env" "memory" (memory 1))))
[INFO] [stdout] 90 | |     );
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `wasm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 46 -             drop(&mut n);
[INFO] [stdout] 46 +             let _ = &mut n;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/wasm_macro.rs:45:13
[INFO] [stdout]     |
[INFO] [stdout] 45  |             drop(&mut vector);
[INFO] [stdout]     |             ^^^^^-----------^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut Vec<u8>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     wasm!(&mut binary, (section export (vec (export "main" function 0x1))));
[INFO] [stdout]     |     ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wasm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 45  -             drop(&mut vector);
[INFO] [stdout] 45  +             let _ = &mut vector;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/wasm_macro.rs:46:13
[INFO] [stdout]     |
[INFO] [stdout] 46  |             drop(&mut n);
[INFO] [stdout]     |             ^^^^^------^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut u64`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     wasm!(&mut binary, (section export (vec (export "main" function 0x1))));
[INFO] [stdout]     |     ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wasm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 46  -             drop(&mut n);
[INFO] [stdout] 46  +             let _ = &mut n;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/wasm_macro.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             drop(&mut vector);
[INFO] [stdout]    |             ^^^^^-----------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut Vec<u8>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         wasm!(&mut w, (functype (vec f32) (vec)));
[INFO] [stdout]    |         ----------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `wasm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 45 -             drop(&mut vector);
[INFO] [stdout] 45 +             let _ = &mut vector;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/wasm_macro.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             drop(&mut n);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut u64`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         wasm!(&mut w, (functype (vec f32) (vec)));
[INFO] [stdout]    |         ----------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `wasm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 46 -             drop(&mut n);
[INFO] [stdout] 46 +             let _ = &mut n;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/wasm_macro.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             drop(&mut vector);
[INFO] [stdout]    |             ^^^^^-----------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut Vec<u8>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         wasm!(&mut w, (functype (vec f32) (vec)));
[INFO] [stdout]    |         ----------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `wasm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 45 -             drop(&mut vector);
[INFO] [stdout] 45 +             let _ = &mut vector;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/wasm_macro.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             drop(&mut n);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut u64`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         wasm!(&mut w, (functype (vec f32) (vec)));
[INFO] [stdout]    |         ----------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `wasm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 46 -             drop(&mut n);
[INFO] [stdout] 46 +             let _ = &mut n;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/wasm_macro.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             drop(&mut vector);
[INFO] [stdout]    |             ^^^^^-----------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut Vec<u8>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             wasm!(&mut w, (vec));
[INFO] [stdout]    |             -------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `wasm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 45 -             drop(&mut vector);
[INFO] [stdout] 45 +             let _ = &mut vector;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/wasm_macro.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             drop(&mut n);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut u64`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             wasm!(&mut w, (vec));
[INFO] [stdout]    |             -------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `wasm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 46 -             drop(&mut n);
[INFO] [stdout] 46 +             let _ = &mut n;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/wasm_macro.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |               drop(&mut vector);
[INFO] [stdout]    |               ^^^^^-----------^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    argument has type `&mut Vec<u8>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 | /     wasm!(&mut binary,
[INFO] [stdout] 87 | |         (section import (vec
[INFO] [stdout] 88 | |             (import "env" "print" (function 0x0))
[INFO] [stdout] 89 | |             (import "env" "memory" (memory 1))))
[INFO] [stdout] 90 | |     );
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `wasm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 45 -             drop(&mut vector);
[INFO] [stdout] 45 +             let _ = &mut vector;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/wasm_macro.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |               drop(&mut n);
[INFO] [stdout]    |               ^^^^^------^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    argument has type `&mut u64`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 | /     wasm!(&mut binary,
[INFO] [stdout] 87 | |         (section import (vec
[INFO] [stdout] 88 | |             (import "env" "print" (function 0x0))
[INFO] [stdout] 89 | |             (import "env" "memory" (memory 1))))
[INFO] [stdout] 90 | |     );
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `wasm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 46 -             drop(&mut n);
[INFO] [stdout] 46 +             let _ = &mut n;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/wasm_macro.rs:45:13
[INFO] [stdout]     |
[INFO] [stdout] 45  |             drop(&mut vector);
[INFO] [stdout]     |             ^^^^^-----------^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut Vec<u8>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     wasm!(&mut binary, (section export (vec (export "main" function 0x1))));
[INFO] [stdout]     |     ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wasm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 45  -             drop(&mut vector);
[INFO] [stdout] 45  +             let _ = &mut vector;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/wasm_macro.rs:46:13
[INFO] [stdout]     |
[INFO] [stdout] 46  |             drop(&mut n);
[INFO] [stdout]     |             ^^^^^------^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut u64`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     wasm!(&mut binary, (section export (vec (export "main" function 0x1))));
[INFO] [stdout]     |     ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `wasm` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 46  -             drop(&mut n);
[INFO] [stdout] 46  +             let _ = &mut n;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "dc9df25d3fd43e9ece11f62a99fccfce8ede49fb5f749d71f201e78d01a6e7a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc9df25d3fd43e9ece11f62a99fccfce8ede49fb5f749d71f201e78d01a6e7a6", kill_on_drop: false }`
[INFO] [stdout] dc9df25d3fd43e9ece11f62a99fccfce8ede49fb5f749d71f201e78d01a6e7a6
[INFO] checking chasm-rs-0.1.0 against try#d856f2da3433420b7077c0dc7ee9441455bc1302 for pr-128013
[INFO] extracting crate chasm-rs 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate chasm-rs 0.1.0 on toolchain d856f2da3433420b7077c0dc7ee9441455bc1302
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chasm-rs 0.1.0
[INFO] finished tweaking crates.io crate chasm-rs 0.1.0
[INFO] tweaked toml for crates.io crate chasm-rs 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding logos v0.12.1 (latest: v0.14.0)
[INFO] [stderr]       Adding logos-derive v0.12.1 (latest: v0.14.0)
[INFO] [stderr]       Adding memory_units v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding num-bigint v0.2.6 (latest: v0.4.6)
[INFO] [stderr]       Adding num-rational v0.2.4 (latest: v0.4.2)
[INFO] [stderr]       Adding parity-wasm v0.42.2 (latest: v0.45.0)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.4)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.72)
[INFO] [stderr]       Adding wasmi v0.9.1 (latest: v0.36.0)
[INFO] [stderr]       Adding wasmi-validation v0.4.1 (latest: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e41e4953a5b869b73e5bbedaf6c794afda2021cbf1a5966c5fc2f3a92f087df
[INFO] running `Command { std: "docker" "start" "-a" "8e41e4953a5b869b73e5bbedaf6c794afda2021cbf1a5966c5fc2f3a92f087df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e41e4953a5b869b73e5bbedaf6c794afda2021cbf1a5966c5fc2f3a92f087df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e41e4953a5b869b73e5bbedaf6c794afda2021cbf1a5966c5fc2f3a92f087df", kill_on_drop: false }`
[INFO] [stdout] 8e41e4953a5b869b73e5bbedaf6c794afda2021cbf1a5966c5fc2f3a92f087df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2f1427bf0e49a24022f6e152634ca27b48d3684b08d6ffd145d092303af42e8
[INFO] running `Command { std: "docker" "start" "-a" "e2f1427bf0e49a24022f6e152634ca27b48d3684b08d6ffd145d092303af42e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]     Checking parity-wasm v0.42.2
[INFO] [stderr]     Checking arrayref v0.3.8
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]     Checking num-traits v0.2.19
[INFO] [stderr]    Compiling blake3 v1.5.3
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.46/src/lib.rs:511:41
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 841 | impl_integer_for_isize!(i8, test_integer_i8);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.46/src/lib.rs:511:41
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 842 | impl_integer_for_isize!(i16, test_integer_i16);
[INFO] [stdout]     | ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.46/src/lib.rs:511:41
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 843 | impl_integer_for_isize!(i32, test_integer_i32);
[INFO] [stdout]     | ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.46/src/lib.rs:511:41
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 844 | impl_integer_for_isize!(i64, test_integer_i64);
[INFO] [stdout]     | ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking wasmi-validation v0.4.1
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.46/src/lib.rs:511:41
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 845 | impl_integer_for_isize!(i128, test_integer_i128);
[INFO] [stdout]     | ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.46/src/lib.rs:511:41
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 846 | impl_integer_for_isize!(isize, test_integer_isize);
[INFO] [stdout]     | -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `num-integer` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e2f1427bf0e49a24022f6e152634ca27b48d3684b08d6ffd145d092303af42e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f1427bf0e49a24022f6e152634ca27b48d3684b08d6ffd145d092303af42e8", kill_on_drop: false }`
[INFO] [stdout] e2f1427bf0e49a24022f6e152634ca27b48d3684b08d6ffd145d092303af42e8