[INFO] fetching crate guessing_game_c4rls 0.1.0...
[INFO] testing guessing_game_c4rls-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate guessing_game_c4rls 0.1.0 into /workspace/builds/worker-103/source
[INFO] validating manifest of crates.io crate guessing_game_c4rls 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate guessing_game_c4rls 0.1.0
[INFO] finished tweaking crates.io crate guessing_game_c4rls 0.1.0
[INFO] tweaked toml for crates.io crate guessing_game_c4rls 0.1.0 written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] crate crates.io crate guessing_game_c4rls 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae1e245eb9f656929d3e39e4e19c60e1950942e6bc984dac72400e3e20548892
[INFO] running `Command { std: "docker" "start" "-a" "ae1e245eb9f656929d3e39e4e19c60e1950942e6bc984dac72400e3e20548892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae1e245eb9f656929d3e39e4e19c60e1950942e6bc984dac72400e3e20548892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae1e245eb9f656929d3e39e4e19c60e1950942e6bc984dac72400e3e20548892", kill_on_drop: false }`
[INFO] [stdout] ae1e245eb9f656929d3e39e4e19c60e1950942e6bc984dac72400e3e20548892
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bff15b58d544c9064a873155ea648dd5af1f0f638a56b6f9491fa311ec690d2e
[INFO] running `Command { std: "docker" "start" "-a" "bff15b58d544c9064a873155ea648dd5af1f0f638a56b6f9491fa311ec690d2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling guessing_game_c4rls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.13s
[INFO] running `Command { std: "docker" "inspect" "bff15b58d544c9064a873155ea648dd5af1f0f638a56b6f9491fa311ec690d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bff15b58d544c9064a873155ea648dd5af1f0f638a56b6f9491fa311ec690d2e", kill_on_drop: false }`
[INFO] [stdout] bff15b58d544c9064a873155ea648dd5af1f0f638a56b6f9491fa311ec690d2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a3e5d3745945d83feddd1544f51e7df56e899e236adc8d586a8fc119811859f
[INFO] running `Command { std: "docker" "start" "-a" "5a3e5d3745945d83feddd1544f51e7df56e899e236adc8d586a8fc119811859f", 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] [stderr]    Compiling guessing_game_c4rls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "5a3e5d3745945d83feddd1544f51e7df56e899e236adc8d586a8fc119811859f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a3e5d3745945d83feddd1544f51e7df56e899e236adc8d586a8fc119811859f", kill_on_drop: false }`
[INFO] [stdout] 5a3e5d3745945d83feddd1544f51e7df56e899e236adc8d586a8fc119811859f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1f09597189a1e4b0438599ade1cc3c4b4b160db4655d4c638bd37e8b3ca519ba
[INFO] running `Command { std: "docker" "start" "-a" "1f09597189a1e4b0438599ade1cc3c4b4b160db4655d4c638bd37e8b3ca519ba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game_c4rls-aedb91c2b03fdbdd)
[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" "1f09597189a1e4b0438599ade1cc3c4b4b160db4655d4c638bd37e8b3ca519ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f09597189a1e4b0438599ade1cc3c4b4b160db4655d4c638bd37e8b3ca519ba", kill_on_drop: false }`
[INFO] [stdout] 1f09597189a1e4b0438599ade1cc3c4b4b160db4655d4c638bd37e8b3ca519ba