[INFO] fetching crate gomicollector 0.1.1...
[INFO] testing gomicollector-0.1.1 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate gomicollector 0.1.1 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gomicollector 0.1.1 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 876a9f5f315eeb205bfc8d596417ae15c1d735589b1a6d615351d1a571a7a3bb
[INFO] running `Command { std: "docker" "start" "-a" "876a9f5f315eeb205bfc8d596417ae15c1d735589b1a6d615351d1a571a7a3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "876a9f5f315eeb205bfc8d596417ae15c1d735589b1a6d615351d1a571a7a3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "876a9f5f315eeb205bfc8d596417ae15c1d735589b1a6d615351d1a571a7a3bb", kill_on_drop: false }`
[INFO] [stdout] 876a9f5f315eeb205bfc8d596417ae15c1d735589b1a6d615351d1a571a7a3bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7997b5c47ddcd7145c892ed6394c262f9ab88c3c4b36d82fd06be2beb71a770d
[INFO] running `Command { std: "docker" "start" "-a" "7997b5c47ddcd7145c892ed6394c262f9ab88c3c4b36d82fd06be2beb71a770d", 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "7997b5c47ddcd7145c892ed6394c262f9ab88c3c4b36d82fd06be2beb71a770d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7997b5c47ddcd7145c892ed6394c262f9ab88c3c4b36d82fd06be2beb71a770d", kill_on_drop: false }`
[INFO] [stdout] 7997b5c47ddcd7145c892ed6394c262f9ab88c3c4b36d82fd06be2beb71a770d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4998ed2854b75c82539f52d6629db6b257f3ff74b3e3c20914e553cf249d19aa
[INFO] running `Command { std: "docker" "start" "-a" "4998ed2854b75c82539f52d6629db6b257f3ff74b3e3c20914e553cf249d19aa", 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)]` 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 0.87s
[INFO] running `Command { std: "docker" "inspect" "4998ed2854b75c82539f52d6629db6b257f3ff74b3e3c20914e553cf249d19aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4998ed2854b75c82539f52d6629db6b257f3ff74b3e3c20914e553cf249d19aa", kill_on_drop: false }`
[INFO] [stdout] 4998ed2854b75c82539f52d6629db6b257f3ff74b3e3c20914e553cf249d19aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a7fe69a439fcd0a2e53bbe85e59f2b9d176984a874f3bad1468decd84bed5703
[INFO] running `Command { std: "docker" "start" "-a" "a7fe69a439fcd0a2e53bbe85e59f2b9d176984a874f3bad1468decd84bed5703", 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `gomicollector` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[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_nearly_full_heap ... ok
[INFO] [stdout] test tests::test_root_is_not_recycled ... ok
[INFO] [stdout] test tests::test_can_allocate_twice ... ok
[INFO] [stdout] test tests::test_full_heap ... ok
[INFO] [stdout] test tests::test_root_set ... ok
[INFO] [stdout] test tests::test_reachable_objects_not_collected ... 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-2bcd01880fa394c5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gomicollector
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "a7fe69a439fcd0a2e53bbe85e59f2b9d176984a874f3bad1468decd84bed5703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7fe69a439fcd0a2e53bbe85e59f2b9d176984a874f3bad1468decd84bed5703", kill_on_drop: false }`
[INFO] [stdout] a7fe69a439fcd0a2e53bbe85e59f2b9d176984a874f3bad1468decd84bed5703