[INFO] fetching crate rust-arc-gc 0.2.1...
[INFO] testing rust-arc-gc-0.2.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate rust-arc-gc 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rust-arc-gc 0.2.1
[INFO] finished tweaking crates.io crate rust-arc-gc 0.2.1
[INFO] tweaked toml for crates.io crate rust-arc-gc 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-arc-gc 0.2.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust-arc-gc 0.2.1 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48e75f2c7d0782dbb589589c4634f70899aaf8554e433af4c4042a0b8b42e10c
[INFO] running `Command { std: "docker" "start" "-a" "48e75f2c7d0782dbb589589c4634f70899aaf8554e433af4c4042a0b8b42e10c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48e75f2c7d0782dbb589589c4634f70899aaf8554e433af4c4042a0b8b42e10c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e75f2c7d0782dbb589589c4634f70899aaf8554e433af4c4042a0b8b42e10c", kill_on_drop: false }`
[INFO] [stdout] 48e75f2c7d0782dbb589589c4634f70899aaf8554e433af4c4042a0b8b42e10c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18656fe76465f7997fa52d801012e5f435161f3f0d1c2789168d1da3c4a495cf
[INFO] running `Command { std: "docker" "start" "-a" "18656fe76465f7997fa52d801012e5f435161f3f0d1c2789168d1da3c4a495cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling rust-arc-gc v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "18656fe76465f7997fa52d801012e5f435161f3f0d1c2789168d1da3c4a495cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18656fe76465f7997fa52d801012e5f435161f3f0d1c2789168d1da3c4a495cf", kill_on_drop: false }`
[INFO] [stdout] 18656fe76465f7997fa52d801012e5f435161f3f0d1c2789168d1da3c4a495cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 121cf3f3c2a85faeede2b3f78c88c2946dfaa8a32be16ee3ced2a75c3c0477f0
[INFO] running `Command { std: "docker" "start" "-a" "121cf3f3c2a85faeede2b3f78c88c2946dfaa8a32be16ee3ced2a75c3c0477f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-arc-gc v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "121cf3f3c2a85faeede2b3f78c88c2946dfaa8a32be16ee3ced2a75c3c0477f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "121cf3f3c2a85faeede2b3f78c88c2946dfaa8a32be16ee3ced2a75c3c0477f0", kill_on_drop: false }`
[INFO] [stdout] 121cf3f3c2a85faeede2b3f78c88c2946dfaa8a32be16ee3ced2a75c3c0477f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 89ca7a210eb724a9d36f6ec846854d2b4b9c493efbe01725f998a879629e62cf
[INFO] running `Command { std: "docker" "start" "-a" "89ca7a210eb724a9d36f6ec846854d2b4b9c493efbe01725f998a879629e62cf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/arc_gc-02a992ff455e1efb)
[INFO] [stdout] running 3 tests
[INFO] [stdout] test gc::tests::test_combined_thresholds_gc ... ok
[INFO] [stdout] test gc::tests::test_gc ... ok
[INFO] [stdout] test gc::tests::test_memory_threshold_gc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arc_gc
[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" "89ca7a210eb724a9d36f6ec846854d2b4b9c493efbe01725f998a879629e62cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89ca7a210eb724a9d36f6ec846854d2b4b9c493efbe01725f998a879629e62cf", kill_on_drop: false }`
[INFO] [stdout] 89ca7a210eb724a9d36f6ec846854d2b4b9c493efbe01725f998a879629e62cf