[INFO] fetching crate rbn 0.1.4...
[INFO] testing rbn-0.1.4 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rbn 0.1.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rbn 0.1.4 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rbn 0.1.4
[INFO] finished tweaking crates.io crate rbn 0.1.4
[INFO] tweaked toml for crates.io crate rbn 0.1.4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate rbn 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e0b5548024fc876d8166f1bd6cc368232a99faff3019072f50ddc21c4bc1063
[INFO] running `Command { std: "docker" "start" "-a" "0e0b5548024fc876d8166f1bd6cc368232a99faff3019072f50ddc21c4bc1063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e0b5548024fc876d8166f1bd6cc368232a99faff3019072f50ddc21c4bc1063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e0b5548024fc876d8166f1bd6cc368232a99faff3019072f50ddc21c4bc1063", kill_on_drop: false }`
[INFO] [stdout] 0e0b5548024fc876d8166f1bd6cc368232a99faff3019072f50ddc21c4bc1063
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9748e0871f65f33cb97426151480cdfb18a19ab6c3e048fd6b5e3751e9bb003c
[INFO] running `Command { std: "docker" "start" "-a" "9748e0871f65f33cb97426151480cdfb18a19ab6c3e048fd6b5e3751e9bb003c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling regex-syntax v0.6.24
[INFO] [stderr]    Compiling hambands v0.1.2
[INFO] [stderr]    Compiling pad v0.1.6
[INFO] [stderr]    Compiling backtrace v0.3.58
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling ctrlc v3.1.9
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling rbn-lib v0.1.4
[INFO] [stderr]    Compiling rbn v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.79s
[INFO] running `Command { std: "docker" "inspect" "9748e0871f65f33cb97426151480cdfb18a19ab6c3e048fd6b5e3751e9bb003c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9748e0871f65f33cb97426151480cdfb18a19ab6c3e048fd6b5e3751e9bb003c", kill_on_drop: false }`
[INFO] [stdout] 9748e0871f65f33cb97426151480cdfb18a19ab6c3e048fd6b5e3751e9bb003c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 521766f56b81340c3ec50ef1a42d7ecc9e90ec095d69d938acb7f2186b833dd9
[INFO] running `Command { std: "docker" "start" "-a" "521766f56b81340c3ec50ef1a42d7ecc9e90ec095d69d938acb7f2186b833dd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbn v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rbn-a1e953895811a3e2)
[INFO] running `Command { std: "docker" "inspect" "521766f56b81340c3ec50ef1a42d7ecc9e90ec095d69d938acb7f2186b833dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "521766f56b81340c3ec50ef1a42d7ecc9e90ec095d69d938acb7f2186b833dd9", kill_on_drop: false }`
[INFO] [stdout] 521766f56b81340c3ec50ef1a42d7ecc9e90ec095d69d938acb7f2186b833dd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a6942a14b176963c2d3c1a5393ad8fdafdc888ecb21c609e277361492f0dd04c
[INFO] running `Command { std: "docker" "start" "-a" "a6942a14b176963c2d3c1a5393ad8fdafdc888ecb21c609e277361492f0dd04c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rbn-a1e953895811a3e2)
[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" "a6942a14b176963c2d3c1a5393ad8fdafdc888ecb21c609e277361492f0dd04c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6942a14b176963c2d3c1a5393ad8fdafdc888ecb21c609e277361492f0dd04c", kill_on_drop: false }`
[INFO] [stdout] a6942a14b176963c2d3c1a5393ad8fdafdc888ecb21c609e277361492f0dd04c