[INFO] fetching crate wrenlet 0.1.1...
[INFO] testing wrenlet-0.1.1 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate wrenlet 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate wrenlet 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate wrenlet 0.1.1
[INFO] tweaked toml for crates.io crate wrenlet 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wrenlet 0.1.1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wrenlet 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9e130b1b5aba9b9eeafc101361bedfb63cbb885c7fba9111f6d881b60a843b2b
[INFO] running `Command { std: "docker" "start" "9e130b1b5aba9b9eeafc101361bedfb63cbb885c7fba9111f6d881b60a843b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e130b1b5aba9b9eeafc101361bedfb63cbb885c7fba9111f6d881b60a843b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9e130b1b5aba9b9eeafc101361bedfb63cbb885c7fba9111f6d881b60a843b2b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e130b1b5aba9b9eeafc101361bedfb63cbb885c7fba9111f6d881b60a843b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9e130b1b5aba9b9eeafc101361bedfb63cbb885c7fba9111f6d881b60a843b2b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling wrenlet-sys v0.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling variadics_please v1.1.0
[INFO] [stderr]    Compiling error_set_impl v0.9.0
[INFO] [stderr]    Compiling error_set v0.9.0
[INFO] [stderr]    Compiling wrenlet v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/foreign.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl ForeignVTable {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 11 |     const fn new<T>() -> &'static Self
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FakeForeign` is never constructed
[INFO] [stdout]   --> src/foreign.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub(crate) struct FakeForeign;
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/handle.rs:31:27
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct ValueHandle<U>(pub(crate) RcHandle<U>);
[INFO] [stdout]    |            -----------    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/handle.rs:47:26
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct CallHandle<U>(pub(crate) RcHandle<U>);
[INFO] [stdout]    |            ----------    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `Command { std: "docker" "inspect" "9e130b1b5aba9b9eeafc101361bedfb63cbb885c7fba9111f6d881b60a843b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9e130b1b5aba9b9eeafc101361bedfb63cbb885c7fba9111f6d881b60a843b2b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/foreign.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl ForeignVTable {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 11 |     const fn new<T>() -> &'static Self
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FakeForeign` is never constructed
[INFO] [stdout]   --> src/foreign.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub(crate) struct FakeForeign;
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wrenlet v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/handle.rs:31:27
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct ValueHandle<U>(pub(crate) RcHandle<U>);
[INFO] [stdout]    |            -----------    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/handle.rs:47:26
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct CallHandle<U>(pub(crate) RcHandle<U>);
[INFO] [stdout]    |            ----------    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/foreign.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl ForeignVTable {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 11 |     const fn new<T>() -> &'static Self
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FakeForeign` is never constructed
[INFO] [stdout]   --> src/foreign.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub(crate) struct FakeForeign;
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/handle.rs:31:27
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct ValueHandle<U>(pub(crate) RcHandle<U>);
[INFO] [stdout]    |            -----------    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/handle.rs:47:26
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct CallHandle<U>(pub(crate) RcHandle<U>);
[INFO] [stdout]    |            ----------    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "9e130b1b5aba9b9eeafc101361bedfb63cbb885c7fba9111f6d881b60a843b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9e130b1b5aba9b9eeafc101361bedfb63cbb885c7fba9111f6d881b60a843b2b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/foreign.rs:11:14
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl ForeignVTable {
[INFO] [stderr]    | ------------------ associated function in this implementation
[INFO] [stderr] 11 |     const fn new<T>() -> &'static Self
[INFO] [stderr]    |              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FakeForeign` is never constructed
[INFO] [stderr]   --> src/foreign.rs:38:19
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub(crate) struct FakeForeign;
[INFO] [stderr]    |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/handle.rs:31:27
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub struct ValueHandle<U>(pub(crate) RcHandle<U>);
[INFO] [stderr]    |            -----------    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/handle.rs:47:26
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub struct CallHandle<U>(pub(crate) RcHandle<U>);
[INFO] [stderr]    |            ----------    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr] 
[INFO] [stderr] warning: `wrenlet` (lib) generated 4 warnings
[INFO] [stderr] warning: `wrenlet` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/wrenlet/a350bcdc5ef2d0e9/out/wrenlet-a350bcdc5ef2d0e9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/build/wrenlet/7eba2d00097e0cc9/out/wrenlet-7eba2d00097e0cc9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/build/wrenlet/0fda83ff95d93341/out/basic-0fda83ff95d93341)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test basic_creation ... ok
[INFO] [stdout] test get_immutable_variable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wrenlet
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9e130b1b5aba9b9eeafc101361bedfb63cbb885c7fba9111f6d881b60a843b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e130b1b5aba9b9eeafc101361bedfb63cbb885c7fba9111f6d881b60a843b2b", kill_on_drop: false }`
[INFO] [stdout] 9e130b1b5aba9b9eeafc101361bedfb63cbb885c7fba9111f6d881b60a843b2b
