[INFO] fetching crate idgen 0.1.2...
[INFO] testing idgen-0.1.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate idgen 0.1.2 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate idgen 0.1.2 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 idgen 0.1.2
[INFO] finished tweaking crates.io crate idgen 0.1.2
[INFO] tweaked toml for crates.io crate idgen 0.1.2 written to /workspace/builds/worker-57/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 86eb3cb93415437f5662a54f65e20c1799467ad9c11f06c8cfe5c25bbff51afd
[INFO] running `Command { std: "docker" "start" "-a" "86eb3cb93415437f5662a54f65e20c1799467ad9c11f06c8cfe5c25bbff51afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86eb3cb93415437f5662a54f65e20c1799467ad9c11f06c8cfe5c25bbff51afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86eb3cb93415437f5662a54f65e20c1799467ad9c11f06c8cfe5c25bbff51afd", kill_on_drop: false }`
[INFO] [stdout] 86eb3cb93415437f5662a54f65e20c1799467ad9c11f06c8cfe5c25bbff51afd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 34dffed9c6641841bb2b9b081bea696b403b0fb9034cace2500cd0e8092be452
[INFO] running `Command { std: "docker" "start" "-a" "34dffed9c6641841bb2b9b081bea696b403b0fb9034cace2500cd0e8092be452", kill_on_drop: false }`
[INFO] [stderr]    Compiling idgen v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "34dffed9c6641841bb2b9b081bea696b403b0fb9034cace2500cd0e8092be452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34dffed9c6641841bb2b9b081bea696b403b0fb9034cace2500cd0e8092be452", kill_on_drop: false }`
[INFO] [stdout] 34dffed9c6641841bb2b9b081bea696b403b0fb9034cace2500cd0e8092be452
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] a8c8fb57a73a989d39dfc5080a7ba50e2d531780a52f1c499405da30d3d7f5e4
[INFO] running `Command { std: "docker" "start" "-a" "a8c8fb57a73a989d39dfc5080a7ba50e2d531780a52f1c499405da30d3d7f5e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling idgen v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "a8c8fb57a73a989d39dfc5080a7ba50e2d531780a52f1c499405da30d3d7f5e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8c8fb57a73a989d39dfc5080a7ba50e2d531780a52f1c499405da30d3d7f5e4", kill_on_drop: false }`
[INFO] [stdout] a8c8fb57a73a989d39dfc5080a7ba50e2d531780a52f1c499405da30d3d7f5e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] ceb467ce00993da39d69721ae77d4e8d8e3ed8863a3a2fc3012f1cfa6b410fa6
[INFO] running `Command { std: "docker" "start" "-a" "ceb467ce00993da39d69721ae77d4e8d8e3ed8863a3a2fc3012f1cfa6b410fa6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/idgen-422e86bf7525ef38)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_uniq ... ok
[INFO] [stdout] test tests::test_threads ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.73s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests idgen
[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" "ceb467ce00993da39d69721ae77d4e8d8e3ed8863a3a2fc3012f1cfa6b410fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceb467ce00993da39d69721ae77d4e8d8e3ed8863a3a2fc3012f1cfa6b410fa6", kill_on_drop: false }`
[INFO] [stdout] ceb467ce00993da39d69721ae77d4e8d8e3ed8863a3a2fc3012f1cfa6b410fa6