[INFO] fetching crate cb2util 0.0.1...
[INFO] testing cb2util-0.0.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate cb2util 0.0.1 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate cb2util 0.0.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cb2util 0.0.1
[INFO] finished tweaking crates.io crate cb2util 0.0.1
[INFO] tweaked toml for crates.io crate cb2util 0.0.1 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate crates.io crate cb2util 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded codebreaker v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37a95eca93a7c3d5df787dd5ca506ca66f1fe5f2e8c3f5e14ad46c9d73c8593b
[INFO] running `Command { std: "docker" "start" "-a" "37a95eca93a7c3d5df787dd5ca506ca66f1fe5f2e8c3f5e14ad46c9d73c8593b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37a95eca93a7c3d5df787dd5ca506ca66f1fe5f2e8c3f5e14ad46c9d73c8593b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a95eca93a7c3d5df787dd5ca506ca66f1fe5f2e8c3f5e14ad46c9d73c8593b", kill_on_drop: false }`
[INFO] [stdout] 37a95eca93a7c3d5df787dd5ca506ca66f1fe5f2e8c3f5e14ad46c9d73c8593b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80e1ac739ad0fb233764a8929d7efcf4a29d9698a62e1372c1db3b4acbb0ccf8
[INFO] running `Command { std: "docker" "start" "-a" "80e1ac739ad0fb233764a8929d7efcf4a29d9698a62e1372c1db3b4acbb0ccf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling codebreaker v0.1.4
[INFO] [stderr]    Compiling cb2util v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.77s
[INFO] running `Command { std: "docker" "inspect" "80e1ac739ad0fb233764a8929d7efcf4a29d9698a62e1372c1db3b4acbb0ccf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80e1ac739ad0fb233764a8929d7efcf4a29d9698a62e1372c1db3b4acbb0ccf8", kill_on_drop: false }`
[INFO] [stdout] 80e1ac739ad0fb233764a8929d7efcf4a29d9698a62e1372c1db3b4acbb0ccf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eddcc008a52df9f44e7b1ff4502a188fb9b0fe4c95ee25271f5f53f4428235b7
[INFO] running `Command { std: "docker" "start" "-a" "eddcc008a52df9f44e7b1ff4502a188fb9b0fe4c95ee25271f5f53f4428235b7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cb2util v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `Command { std: "docker" "inspect" "eddcc008a52df9f44e7b1ff4502a188fb9b0fe4c95ee25271f5f53f4428235b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eddcc008a52df9f44e7b1ff4502a188fb9b0fe4c95ee25271f5f53f4428235b7", kill_on_drop: false }`
[INFO] [stdout] eddcc008a52df9f44e7b1ff4502a188fb9b0fe4c95ee25271f5f53f4428235b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 00d00ce1549951f25d02728eabe2129d7c0a04191c90ede23ee631a9fae5b89c
[INFO] running `Command { std: "docker" "start" "-a" "00d00ce1549951f25d02728eabe2129d7c0a04191c90ede23ee631a9fae5b89c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cb2util-810f5a52df124995)
[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" "00d00ce1549951f25d02728eabe2129d7c0a04191c90ede23ee631a9fae5b89c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00d00ce1549951f25d02728eabe2129d7c0a04191c90ede23ee631a9fae5b89c", kill_on_drop: false }`
[INFO] [stdout] 00d00ce1549951f25d02728eabe2129d7c0a04191c90ede23ee631a9fae5b89c