[INFO] fetching crate peerrs-binarypack 0.1.0...
[INFO] building peerrs-binarypack-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate peerrs-binarypack 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate peerrs-binarypack 0.1.0
[INFO] finished tweaking crates.io crate peerrs-binarypack 0.1.0
[INFO] tweaked toml for crates.io crate peerrs-binarypack 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate peerrs-binarypack 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding num v0.2.1 (available: v0.4.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 442ecfa6052c10e2ae9a8259ef739dd5efd51249fbaa2086a008f63d0284f079
[INFO] running `Command { std: "docker" "start" "-a" "442ecfa6052c10e2ae9a8259ef739dd5efd51249fbaa2086a008f63d0284f079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "442ecfa6052c10e2ae9a8259ef739dd5efd51249fbaa2086a008f63d0284f079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "442ecfa6052c10e2ae9a8259ef739dd5efd51249fbaa2086a008f63d0284f079", kill_on_drop: false }`
[INFO] [stdout] 442ecfa6052c10e2ae9a8259ef739dd5efd51249fbaa2086a008f63d0284f079
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 640c0b2b3a1d2dccfcc7b46836d1d98973a5dc21488e5a0000e54d95e4591a4e
[INFO] running `Command { std: "docker" "start" "-a" "640c0b2b3a1d2dccfcc7b46836d1d98973a5dc21488e5a0000e54d95e4591a4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling peerrs-binarypack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> src/binarypack.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         state.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let _ = state.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/binarypack.rs:128:18
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn new(data: &[u8]) -> Unpacker {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn new(data: &[u8]) -> Unpacker<'_> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.16s
[INFO] running `Command { std: "docker" "inspect" "640c0b2b3a1d2dccfcc7b46836d1d98973a5dc21488e5a0000e54d95e4591a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640c0b2b3a1d2dccfcc7b46836d1d98973a5dc21488e5a0000e54d95e4591a4e", kill_on_drop: false }`
[INFO] [stdout] 640c0b2b3a1d2dccfcc7b46836d1d98973a5dc21488e5a0000e54d95e4591a4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fd90baa5e2a6e62b24cd66d5ebfb69edc84da2004cf0e4553dfa180568bc08a
[INFO] running `Command { std: "docker" "start" "-a" "0fd90baa5e2a6e62b24cd66d5ebfb69edc84da2004cf0e4553dfa180568bc08a", kill_on_drop: false }`
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> src/binarypack.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         state.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let _ = state.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/binarypack.rs:128:18
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn new(data: &[u8]) -> Unpacker {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn new(data: &[u8]) -> Unpacker<'_> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling peerrs-binarypack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> src/binarypack.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         state.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let _ = state.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/binarypack.rs:128:18
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn new(data: &[u8]) -> Unpacker {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn new(data: &[u8]) -> Unpacker<'_> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "0fd90baa5e2a6e62b24cd66d5ebfb69edc84da2004cf0e4553dfa180568bc08a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fd90baa5e2a6e62b24cd66d5ebfb69edc84da2004cf0e4553dfa180568bc08a", kill_on_drop: false }`
[INFO] [stdout] 0fd90baa5e2a6e62b24cd66d5ebfb69edc84da2004cf0e4553dfa180568bc08a