[INFO] fetching crate a_example 0.1.2...
[INFO] testing a_example-0.1.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate a_example 0.1.2 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate a_example 0.1.2 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 a_example 0.1.2
[INFO] finished tweaking crates.io crate a_example 0.1.2
[INFO] tweaked toml for crates.io crate a_example 0.1.2 written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate crates.io crate a_example 0.1.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 423bf8a0a5efccd208abe8022c9cf3a25aedece102e351f49c3a191613dba086
[INFO] running `Command { std: "docker" "start" "-a" "423bf8a0a5efccd208abe8022c9cf3a25aedece102e351f49c3a191613dba086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "423bf8a0a5efccd208abe8022c9cf3a25aedece102e351f49c3a191613dba086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "423bf8a0a5efccd208abe8022c9cf3a25aedece102e351f49c3a191613dba086", kill_on_drop: false }`
[INFO] [stdout] 423bf8a0a5efccd208abe8022c9cf3a25aedece102e351f49c3a191613dba086
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] f6dd92718c7534e754169e7898808296351e19edf672de6f5ad833ffe726ccbf
[INFO] running `Command { std: "docker" "start" "-a" "f6dd92718c7534e754169e7898808296351e19edf672de6f5ad833ffe726ccbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling a_example v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "f6dd92718c7534e754169e7898808296351e19edf672de6f5ad833ffe726ccbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6dd92718c7534e754169e7898808296351e19edf672de6f5ad833ffe726ccbf", kill_on_drop: false }`
[INFO] [stdout] f6dd92718c7534e754169e7898808296351e19edf672de6f5ad833ffe726ccbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 50e3e403fc2dcd434d74a586219530bd080a0ddc68476bd7e01c26618a303fee
[INFO] running `Command { std: "docker" "start" "-a" "50e3e403fc2dcd434d74a586219530bd080a0ddc68476bd7e01c26618a303fee", kill_on_drop: false }`
[INFO] [stderr]    Compiling a_example v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/a_example-46180d10667ed737)
[INFO] running `Command { std: "docker" "inspect" "50e3e403fc2dcd434d74a586219530bd080a0ddc68476bd7e01c26618a303fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50e3e403fc2dcd434d74a586219530bd080a0ddc68476bd7e01c26618a303fee", kill_on_drop: false }`
[INFO] [stdout] 50e3e403fc2dcd434d74a586219530bd080a0ddc68476bd7e01c26618a303fee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 2eccffefe4d258f7d97a90651005703af8feaf57364a7eee529a6cf7b94f2d96
[INFO] running `Command { std: "docker" "start" "-a" "2eccffefe4d258f7d97a90651005703af8feaf57364a7eee529a6cf7b94f2d96", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/a_example-46180d10667ed737)
[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" "2eccffefe4d258f7d97a90651005703af8feaf57364a7eee529a6cf7b94f2d96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eccffefe4d258f7d97a90651005703af8feaf57364a7eee529a6cf7b94f2d96", kill_on_drop: false }`
[INFO] [stdout] 2eccffefe4d258f7d97a90651005703af8feaf57364a7eee529a6cf7b94f2d96