[INFO] fetching crate safe-gc 1.1.1...
[INFO] testing safe-gc-1.1.1 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate safe-gc 1.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate safe-gc 1.1.1
[INFO] finished tweaking crates.io crate safe-gc 1.1.1
[INFO] tweaked toml for crates.io crate safe-gc 1.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate safe-gc 1.1.1 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f79ef273f2a817441c795d63099ce6c0e0de3ad53d716308e5f38cd2c3b13789
[INFO] running `Command { std: "docker" "start" "-a" "f79ef273f2a817441c795d63099ce6c0e0de3ad53d716308e5f38cd2c3b13789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f79ef273f2a817441c795d63099ce6c0e0de3ad53d716308e5f38cd2c3b13789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f79ef273f2a817441c795d63099ce6c0e0de3ad53d716308e5f38cd2c3b13789", kill_on_drop: false }`
[INFO] [stdout] f79ef273f2a817441c795d63099ce6c0e0de3ad53d716308e5f38cd2c3b13789
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2d171e6b2eef7417094a7c5c53a1bf7e40a2ecea119b15c1ff2e0ef7c53dde0
[INFO] running `Command { std: "docker" "start" "-a" "a2d171e6b2eef7417094a7c5c53a1bf7e40a2ecea119b15c1ff2e0ef7c53dde0", kill_on_drop: false }`
[INFO] [stderr]    Compiling safe-gc v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "a2d171e6b2eef7417094a7c5c53a1bf7e40a2ecea119b15c1ff2e0ef7c53dde0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2d171e6b2eef7417094a7c5c53a1bf7e40a2ecea119b15c1ff2e0ef7c53dde0", kill_on_drop: false }`
[INFO] [stdout] a2d171e6b2eef7417094a7c5c53a1bf7e40a2ecea119b15c1ff2e0ef7c53dde0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d6a50815f69e1fca8f6b3f4fadc2fd3f618682824c2369431b4c5b2ab732e74
[INFO] running `Command { std: "docker" "start" "-a" "9d6a50815f69e1fca8f6b3f4fadc2fd3f618682824c2369431b4c5b2ab732e74", kill_on_drop: false }`
[INFO] [stderr]    Compiling safe-gc v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "9d6a50815f69e1fca8f6b3f4fadc2fd3f618682824c2369431b4c5b2ab732e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d6a50815f69e1fca8f6b3f4fadc2fd3f618682824c2369431b4c5b2ab732e74", kill_on_drop: false }`
[INFO] [stdout] 9d6a50815f69e1fca8f6b3f4fadc2fd3f618682824c2369431b4c5b2ab732e74
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 47bde66eba459deb119af902b5391ded5cef50983c3fcc6a81e8cbfac6d84130
[INFO] running `Command { std: "docker" "start" "-a" "47bde66eba459deb119af902b5391ded5cef50983c3fcc6a81e8cbfac6d84130", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/safe_gc-2f44ea4ef1d0b12f)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test mark_bits::tests::mark_bits ... ok
[INFO] [stdout] test tests::object_safety ... ok
[INFO] [stderr]    Doc-tests safe_gc
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - Gc (line 75) ... ok
[INFO] [stdout] test src/lib.rs - Trace (line 32) ... ok
[INFO] [stdout] test src/lib.rs - Heap::gc (line 1090) ... ok
[INFO] [stdout] test src/lib.rs - Heap::new (line 835) ... ok
[INFO] [stdout] test src/lib.rs - Heap::get (line 946) ... ok
[INFO] [stdout] test src/lib.rs - Root (line 316) ... ok
[INFO] [stdout] test src/lib.rs - Heap::get_mut (line 990) ... ok
[INFO] [stdout] test src/lib.rs - Heap (line 672) ... ok
[INFO] [stdout] test src/lib.rs - Heap (line 601) ... ok
[INFO] [stdout] test src/lib.rs - Heap::root (line 1038) ... ok
[INFO] [stdout] test src/lib.rs - (line 59) ... ok
[INFO] [stdout] test src/lib.rs - Heap::alloc (line 891) ... ok
[INFO] [stdout] test src/lib.rs - Gc (line 142) ... ok
[INFO] [stdout] test src/lib.rs - Gc (line 108) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "47bde66eba459deb119af902b5391ded5cef50983c3fcc6a81e8cbfac6d84130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47bde66eba459deb119af902b5391ded5cef50983c3fcc6a81e8cbfac6d84130", kill_on_drop: false }`
[INFO] [stdout] 47bde66eba459deb119af902b5391ded5cef50983c3fcc6a81e8cbfac6d84130
