[INFO] fetching crate knightrs 0.8.12...
[INFO] testing knightrs-0.8.12 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate knightrs 0.8.12 into /workspace/builds/worker-78/source
[INFO] validating manifest of crates.io crate knightrs 0.8.12 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 knightrs 0.8.12
[INFO] finished tweaking crates.io crate knightrs 0.8.12
[INFO] tweaked toml for crates.io crate knightrs 0.8.12 written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] crate crates.io crate knightrs 0.8.12 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] 33554d9aa01af6143c9075282dbde978287fc187db75f7465c6e685ae216523d
[INFO] running `Command { std: "docker" "start" "-a" "33554d9aa01af6143c9075282dbde978287fc187db75f7465c6e685ae216523d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33554d9aa01af6143c9075282dbde978287fc187db75f7465c6e685ae216523d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33554d9aa01af6143c9075282dbde978287fc187db75f7465c6e685ae216523d", kill_on_drop: false }`
[INFO] [stdout] 33554d9aa01af6143c9075282dbde978287fc187db75f7465c6e685ae216523d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] 4f5883f46b95ee5bc487a22e05bdb81143d7844c68f5ae876d4edb6f38225e5c
[INFO] running `Command { std: "docker" "start" "-a" "4f5883f46b95ee5bc487a22e05bdb81143d7844c68f5ae876d4edb6f38225e5c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling knightrs v0.8.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `Command { std: "docker" "inspect" "4f5883f46b95ee5bc487a22e05bdb81143d7844c68f5ae876d4edb6f38225e5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f5883f46b95ee5bc487a22e05bdb81143d7844c68f5ae876d4edb6f38225e5c", kill_on_drop: false }`
[INFO] [stdout] 4f5883f46b95ee5bc487a22e05bdb81143d7844c68f5ae876d4edb6f38225e5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] bb49e2a174941a944801f8d415664cb95e7ecc686fd717fa7ccf6c56bef45dfd
[INFO] running `Command { std: "docker" "start" "-a" "bb49e2a174941a944801f8d415664cb95e7ecc686fd717fa7ccf6c56bef45dfd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling knightrs v0.8.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "bb49e2a174941a944801f8d415664cb95e7ecc686fd717fa7ccf6c56bef45dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb49e2a174941a944801f8d415664cb95e7ecc686fd717fa7ccf6c56bef45dfd", kill_on_drop: false }`
[INFO] [stdout] bb49e2a174941a944801f8d415664cb95e7ecc686fd717fa7ccf6c56bef45dfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] 462feb9a5bcbdfa1a46ba63c947f9172bc1b66c73c16f0dde34e79e2d256987e
[INFO] running `Command { std: "docker" "start" "-a" "462feb9a5bcbdfa1a46ba63c947f9172bc1b66c73c16f0dde34e79e2d256987e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.58s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/knightrs-2c46b8af4cea5b57)
[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] [stderr]    Doc-tests knightrs
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/environment.rs - environment::Environment (line 27) - compile ... ok
[INFO] [stdout] test src/environment/variable.rs - environment::variable::Variable::fetch (line 126) ... ok
[INFO] [stdout] test src/environment/variable.rs - environment::variable::Variable::assign (line 106) ... ok
[INFO] [stdout] test src/environment.rs - environment::Environment::system (line 131) ... ok
[INFO] [stdout] test src/environment.rs - environment::Environment::new (line 73) ... ok
[INFO] [stdout] test src/environment.rs - environment::Environment::get (line 106) ... ok
[INFO] [stdout] test src/environment.rs - environment::Environment::builder (line 89) ... ok
[INFO] [stdout] test src/environment/variable.rs - environment::variable::Variable::is_assigned (line 83) ... ok
[INFO] [stdout] test src/environment/variable.rs - environment::variable::Variable::name (line 68) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.80s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "462feb9a5bcbdfa1a46ba63c947f9172bc1b66c73c16f0dde34e79e2d256987e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "462feb9a5bcbdfa1a46ba63c947f9172bc1b66c73c16f0dde34e79e2d256987e", kill_on_drop: false }`
[INFO] [stdout] 462feb9a5bcbdfa1a46ba63c947f9172bc1b66c73c16f0dde34e79e2d256987e