[INFO] fetching crate rust_learn 0.1.1...
[INFO] testing rust_learn-0.1.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate rust_learn 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rust_learn 0.1.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_learn 0.1.1
[INFO] finished tweaking crates.io crate rust_learn 0.1.1
[INFO] tweaked toml for crates.io crate rust_learn 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rust_learn 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 674cb5463f10b8af8da814d8a9ce18f84a06ebae56a4b8f0c68a527ac9314eef
[INFO] running `Command { std: "docker" "start" "-a" "674cb5463f10b8af8da814d8a9ce18f84a06ebae56a4b8f0c68a527ac9314eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "674cb5463f10b8af8da814d8a9ce18f84a06ebae56a4b8f0c68a527ac9314eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "674cb5463f10b8af8da814d8a9ce18f84a06ebae56a4b8f0c68a527ac9314eef", kill_on_drop: false }`
[INFO] [stdout] 674cb5463f10b8af8da814d8a9ce18f84a06ebae56a4b8f0c68a527ac9314eef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f236ebaecaf88e1578b2b7428801ed9c6ec1b428b082ebebdbd430e360eea265
[INFO] running `Command { std: "docker" "start" "-a" "f236ebaecaf88e1578b2b7428801ed9c6ec1b428b082ebebdbd430e360eea265", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_learn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "f236ebaecaf88e1578b2b7428801ed9c6ec1b428b082ebebdbd430e360eea265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f236ebaecaf88e1578b2b7428801ed9c6ec1b428b082ebebdbd430e360eea265", kill_on_drop: false }`
[INFO] [stdout] f236ebaecaf88e1578b2b7428801ed9c6ec1b428b082ebebdbd430e360eea265
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad0aa8cd702f51acd08069e27dc008e8220bdf8125a1132831c147e3ac10ee04
[INFO] running `Command { std: "docker" "start" "-a" "ad0aa8cd702f51acd08069e27dc008e8220bdf8125a1132831c147e3ac10ee04", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_learn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "ad0aa8cd702f51acd08069e27dc008e8220bdf8125a1132831c147e3ac10ee04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad0aa8cd702f51acd08069e27dc008e8220bdf8125a1132831c147e3ac10ee04", kill_on_drop: false }`
[INFO] [stdout] ad0aa8cd702f51acd08069e27dc008e8220bdf8125a1132831c147e3ac10ee04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a4557c1266813445204b54fed200f519cbf52dd238f0e4f0a5c8e3e5a9bc1bb4
[INFO] running `Command { std: "docker" "start" "-a" "a4557c1266813445204b54fed200f519cbf52dd238f0e4f0a5c8e3e5a9bc1bb4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_learn-46b1cd6e3e91c22b)
[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" "a4557c1266813445204b54fed200f519cbf52dd238f0e4f0a5c8e3e5a9bc1bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4557c1266813445204b54fed200f519cbf52dd238f0e4f0a5c8e3e5a9bc1bb4", kill_on_drop: false }`
[INFO] [stdout] a4557c1266813445204b54fed200f519cbf52dd238f0e4f0a5c8e3e5a9bc1bb4
