[INFO] fetching crate gomicollector 0.1.1...
[INFO] testing gomicollector-0.1.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate gomicollector 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate gomicollector 0.1.1
[INFO] finished tweaking crates.io crate gomicollector 0.1.1
[INFO] tweaked toml for crates.io crate gomicollector 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gomicollector 0.1.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gomicollector 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eeb7f3ac1bd2269c856589a100f4f7cf1029da0130adeec2e946873d69b6daad
[INFO] running `Command { std: "docker" "start" "-a" "eeb7f3ac1bd2269c856589a100f4f7cf1029da0130adeec2e946873d69b6daad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eeb7f3ac1bd2269c856589a100f4f7cf1029da0130adeec2e946873d69b6daad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb7f3ac1bd2269c856589a100f4f7cf1029da0130adeec2e946873d69b6daad", kill_on_drop: false }`
[INFO] [stdout] eeb7f3ac1bd2269c856589a100f4f7cf1029da0130adeec2e946873d69b6daad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15644f5aeaa892d5da0963f5230a56d4be32dc74e9c460304f6852679d409ff8
[INFO] running `Command { std: "docker" "start" "-a" "15644f5aeaa892d5da0963f5230a56d4be32dc74e9c460304f6852679d409ff8", kill_on_drop: false }`
[INFO] [stderr]    Compiling gomicollector v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `force_gc` is never used
[INFO] [stdout]    --> src/lib.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout]  45 | impl<T: Debug + Clone> Heap<T> {
[INFO] [stdout]     | ------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 129 |     fn force_gc(&mut self, tmp_data: T) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "15644f5aeaa892d5da0963f5230a56d4be32dc74e9c460304f6852679d409ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15644f5aeaa892d5da0963f5230a56d4be32dc74e9c460304f6852679d409ff8", kill_on_drop: false }`
[INFO] [stdout] 15644f5aeaa892d5da0963f5230a56d4be32dc74e9c460304f6852679d409ff8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a57822b880ecdb381c30a5446cf728a48ac2c0db6dac2041debecb3e534a2ff
[INFO] running `Command { std: "docker" "start" "-a" "8a57822b880ecdb381c30a5446cf728a48ac2c0db6dac2041debecb3e534a2ff", kill_on_drop: false }`
[INFO] [stdout] warning: method `force_gc` is never used
[INFO] [stdout]    --> src/lib.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout]  45 | impl<T: Debug + Clone> Heap<T> {
[INFO] [stdout]     | ------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 129 |     fn force_gc(&mut self, tmp_data: T) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gomicollector v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "8a57822b880ecdb381c30a5446cf728a48ac2c0db6dac2041debecb3e534a2ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a57822b880ecdb381c30a5446cf728a48ac2c0db6dac2041debecb3e534a2ff", kill_on_drop: false }`
[INFO] [stdout] 8a57822b880ecdb381c30a5446cf728a48ac2c0db6dac2041debecb3e534a2ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d76cca2efe68fba8c7be8c7d328933a0293a4bf37d60add822ab4d243d64ced
[INFO] running `Command { std: "docker" "start" "-a" "1d76cca2efe68fba8c7be8c7d328933a0293a4bf37d60add822ab4d243d64ced", kill_on_drop: false }`
[INFO] [stderr] warning: method `force_gc` is never used
[INFO] [stderr]    --> src/lib.rs:129:8
[INFO] [stderr]     |
[INFO] [stderr]  45 | impl<T: Debug + Clone> Heap<T> {
[INFO] [stderr]     | ------------------------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 129 |     fn force_gc(&mut self, tmp_data: T) {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `gomicollector` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gomicollector-0c7361bb358b77cd)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_can_allocate_twice ... ok
[INFO] [stdout] test tests::test_full_heap ... ok
[INFO] [stdout] test tests::test_nearly_full_heap ... ok
[INFO] [stdout] test tests::test_reachable_objects_not_collected ... ok
[INFO] [stdout] test tests::test_root_is_not_recycled ... ok
[INFO] [stdout] test tests::test_root_set ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/gomicollector-cbe9a729d18469a3)
[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]    Doc-tests gomicollector
[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" "1d76cca2efe68fba8c7be8c7d328933a0293a4bf37d60add822ab4d243d64ced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d76cca2efe68fba8c7be8c7d328933a0293a4bf37d60add822ab4d243d64ced", kill_on_drop: false }`
[INFO] [stdout] 1d76cca2efe68fba8c7be8c7d328933a0293a4bf37d60add822ab4d243d64ced