[INFO] fetching crate obstack 0.1.4...
[INFO] testing obstack-0.1.4 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate obstack 0.1.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate obstack 0.1.4 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", 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] 530f7ef9c25f7501fa4319e859f993beda82671485cc1912e8d8779c090083c9
[INFO] running `Command { std: "docker" "start" "-a" "530f7ef9c25f7501fa4319e859f993beda82671485cc1912e8d8779c090083c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "530f7ef9c25f7501fa4319e859f993beda82671485cc1912e8d8779c090083c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "530f7ef9c25f7501fa4319e859f993beda82671485cc1912e8d8779c090083c9", kill_on_drop: false }`
[INFO] [stdout] 530f7ef9c25f7501fa4319e859f993beda82671485cc1912e8d8779c090083c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b4c445fbc429ed742123cad3e4f537c46ae0ede329e7c6b25f9954a22a7e0cf
[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" "5b4c445fbc429ed742123cad3e4f537c46ae0ede329e7c6b25f9954a22a7e0cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling obstack v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "5b4c445fbc429ed742123cad3e4f537c46ae0ede329e7c6b25f9954a22a7e0cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b4c445fbc429ed742123cad3e4f537c46ae0ede329e7c6b25f9954a22a7e0cf", kill_on_drop: false }`
[INFO] [stdout] 5b4c445fbc429ed742123cad3e4f537c46ae0ede329e7c6b25f9954a22a7e0cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d311c320fb3f59f721cd14bedc6249952636e95d895a9af54cc16bae832249a
[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" "8d311c320fb3f59f721cd14bedc6249952636e95d895a9af54cc16bae832249a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling bencher v0.1.5
[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 6.40s
[INFO] running `Command { std: "docker" "inspect" "8d311c320fb3f59f721cd14bedc6249952636e95d895a9af54cc16bae832249a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d311c320fb3f59f721cd14bedc6249952636e95d895a9af54cc16bae832249a", kill_on_drop: false }`
[INFO] [stdout] 8d311c320fb3f59f721cd14bedc6249952636e95d895a9af54cc16bae832249a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 60846d92c4d258fb1e04d9c225aabd5a1dcf93528f1c0ae8af3bbd2219ee1e2e
[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" "60846d92c4d258fb1e04d9c225aabd5a1dcf93528f1c0ae8af3bbd2219ee1e2e", 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-c6ddd0cbcbc92b30)
[INFO] [stdout] running 7 tests
[INFO] [stdout] test impls::tests::test ... ok
[INFO] [stdout] test tests::test_consistency_simple ... ok
[INFO] [stdout] test tests::test_recursive_ref ... ok
[INFO] [stdout] test tests::test_large_alignment ... ok
[INFO] [stdout] test tests::test_threads ... ok
[INFO] [stdout] test tests::test_ref_drop ... ok
[INFO] [stderr]    Doc-tests obstack
[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 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - Obstack::copy_from_slice (line 141) ... ok
[INFO] [stdout] test src/lib.rs - Obstack::bytes_used (line 187) ... ok
[INFO] [stdout] test src/lib.rs - Obstack::push_copy (line 109) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - Ref::unwrap (line 238) ... ok
[INFO] [stdout] test src/lib.rs - Ref::unwrap (line 253) ... ok
[INFO] [stdout] test src/lib.rs - Obstack::copy_from_slice (line 154) ... ok
[INFO] [stdout] test src/lib.rs - Obstack::copy_from_slice (line 129) ... ok
[INFO] [stdout] test src/lib.rs - Obstack::push (line 87) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "60846d92c4d258fb1e04d9c225aabd5a1dcf93528f1c0ae8af3bbd2219ee1e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60846d92c4d258fb1e04d9c225aabd5a1dcf93528f1c0ae8af3bbd2219ee1e2e", kill_on_drop: false }`
[INFO] [stdout] 60846d92c4d258fb1e04d9c225aabd5a1dcf93528f1c0ae8af3bbd2219ee1e2e