[INFO] fetching crate e-write-buffer 0.5.0...
[INFO] testing e-write-buffer-0.5.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate e-write-buffer 0.5.0 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate e-write-buffer 0.5.0 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 e-write-buffer 0.5.0
[INFO] finished tweaking crates.io crate e-write-buffer 0.5.0
[INFO] tweaked toml for crates.io crate e-write-buffer 0.5.0 written to /workspace/builds/worker-30/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] [stdout] 3b849ca4deda7554ee9b310b579bf3bf2b467f767f073609b06d60107a5e1785
[INFO] running `Command { std: "docker" "start" "-a" "3b849ca4deda7554ee9b310b579bf3bf2b467f767f073609b06d60107a5e1785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b849ca4deda7554ee9b310b579bf3bf2b467f767f073609b06d60107a5e1785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b849ca4deda7554ee9b310b579bf3bf2b467f767f073609b06d60107a5e1785", kill_on_drop: false }`
[INFO] [stdout] 3b849ca4deda7554ee9b310b579bf3bf2b467f767f073609b06d60107a5e1785
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] a7017639f9947061da46fdf57c94b8bbc0d4e48d8f5fc9a5f57e8c763a66f9e5
[INFO] running `Command { std: "docker" "start" "-a" "a7017639f9947061da46fdf57c94b8bbc0d4e48d8f5fc9a5f57e8c763a66f9e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling e-write-buffer v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "a7017639f9947061da46fdf57c94b8bbc0d4e48d8f5fc9a5f57e8c763a66f9e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7017639f9947061da46fdf57c94b8bbc0d4e48d8f5fc9a5f57e8c763a66f9e5", kill_on_drop: false }`
[INFO] [stdout] a7017639f9947061da46fdf57c94b8bbc0d4e48d8f5fc9a5f57e8c763a66f9e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] bdb9eb2d3c85ff4de96bfddb7a268979d980a2b711b3fdf98ed6f12b273ea83d
[INFO] running `Command { std: "docker" "start" "-a" "bdb9eb2d3c85ff4de96bfddb7a268979d980a2b711b3fdf98ed6f12b273ea83d", kill_on_drop: false }`
[INFO] [stderr]    Compiling e-write-buffer v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "bdb9eb2d3c85ff4de96bfddb7a268979d980a2b711b3fdf98ed6f12b273ea83d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdb9eb2d3c85ff4de96bfddb7a268979d980a2b711b3fdf98ed6f12b273ea83d", kill_on_drop: false }`
[INFO] [stdout] bdb9eb2d3c85ff4de96bfddb7a268979d980a2b711b3fdf98ed6f12b273ea83d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] cee951033528758aacdcddf086c3fee05aefe9a6d097ad43b3f82934708fa295
[INFO] running `Command { std: "docker" "start" "-a" "cee951033528758aacdcddf086c3fee05aefe9a6d097ad43b3f82934708fa295", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/e_write_buffer-2da72afb3f848d88)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_display ... ok
[INFO] [stdout] test test::test_write_wrapper ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests e-write-buffer
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cee951033528758aacdcddf086c3fee05aefe9a6d097ad43b3f82934708fa295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cee951033528758aacdcddf086c3fee05aefe9a6d097ad43b3f82934708fa295", kill_on_drop: false }`
[INFO] [stdout] cee951033528758aacdcddf086c3fee05aefe9a6d097ad43b3f82934708fa295