[INFO] fetching crate obstack 0.1.4...
[INFO] testing obstack-0.1.4 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate obstack 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate obstack 0.1.4 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate obstack 0.1.4
[INFO] finished tweaking crates.io crate obstack 0.1.4
[INFO] tweaked toml for crates.io crate obstack 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 579e333007babd6729f690bcdf64673b64318d5520ea575c6ba59ca6328ec3c9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "579e333007babd6729f690bcdf64673b64318d5520ea575c6ba59ca6328ec3c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "579e333007babd6729f690bcdf64673b64318d5520ea575c6ba59ca6328ec3c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "579e333007babd6729f690bcdf64673b64318d5520ea575c6ba59ca6328ec3c9", kill_on_drop: false }`
[INFO] [stdout] 579e333007babd6729f690bcdf64673b64318d5520ea575c6ba59ca6328ec3c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34807955563feefbe0bc38ce709a382677f0987e4ecaf2936ac3177d6d409b33
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "34807955563feefbe0bc38ce709a382677f0987e4ecaf2936ac3177d6d409b33", kill_on_drop: false }`
[INFO] [stderr]    Compiling obstack v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "34807955563feefbe0bc38ce709a382677f0987e4ecaf2936ac3177d6d409b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34807955563feefbe0bc38ce709a382677f0987e4ecaf2936ac3177d6d409b33", kill_on_drop: false }`
[INFO] [stdout] 34807955563feefbe0bc38ce709a382677f0987e4ecaf2936ac3177d6d409b33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e09b1ea03ac65518b11ddf82f7e3a94b902a5fab62de4e14deb3cf182924fcf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0e09b1ea03ac65518b11ddf82f7e3a94b902a5fab62de4e14deb3cf182924fcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling obstack v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `Command { std: "docker" "inspect" "0e09b1ea03ac65518b11ddf82f7e3a94b902a5fab62de4e14deb3cf182924fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e09b1ea03ac65518b11ddf82f7e3a94b902a5fab62de4e14deb3cf182924fcf", kill_on_drop: false }`
[INFO] [stdout] 0e09b1ea03ac65518b11ddf82f7e3a94b902a5fab62de4e14deb3cf182924fcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 98c875e04f0d71fce3e30f57e1aadea4efba4f2ea0a061f5be25be7ff3b49c06
[INFO] running `Command { std: "docker" "start" "-a" "98c875e04f0d71fce3e30f57e1aadea4efba4f2ea0a061f5be25be7ff3b49c06", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/obstack-8706602e98664c34)
[INFO] [stdout] running 7 tests
[INFO] [stdout] test impls::tests::test ... ok
[INFO] [stdout] test tests::test_large_alignment ... ok
[INFO] [stdout] test tests::test_recursive_ref ... ok
[INFO] [stdout] test tests::test_threads ... ok
[INFO] [stdout] test tests::test_consistency_simple ... ok
[INFO] [stdout] test tests::test_ref_drop ... ok
[INFO] [stdout] test tests::test_consistency_multiple_types ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests obstack
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - Obstack::push (line 88) ... ok
[INFO] [stdout] test src/lib.rs - Obstack::copy_from_slice (line 154) ... ok
[INFO] [stdout] test src/lib.rs - Obstack::bytes_used (line 187) ... ok
[INFO] [stdout] test src/lib.rs - Obstack::copy_from_slice (line 141) ... ok
[INFO] [stdout] test src/lib.rs - Obstack::copy_from_slice (line 129) ... ok
[INFO] [stdout] test src/lib.rs - Obstack::push_copy (line 110) ... ok
[INFO] [stdout] test src/lib.rs - Ref::unwrap (line 238) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - Ref::unwrap (line 253) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "98c875e04f0d71fce3e30f57e1aadea4efba4f2ea0a061f5be25be7ff3b49c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98c875e04f0d71fce3e30f57e1aadea4efba4f2ea0a061f5be25be7ff3b49c06", kill_on_drop: false }`
[INFO] [stdout] 98c875e04f0d71fce3e30f57e1aadea4efba4f2ea0a061f5be25be7ff3b49c06