[INFO] cloning repository https://github.com/aquilesics/learning_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aquilesics/learning_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faquilesics%2Flearning_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faquilesics%2Flearning_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b806e0f49cd6ca1c13dcaa86f316e97475418c20
[INFO] testing aquilesics/learning_rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faquilesics%2Flearning_rust" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aquilesics/learning_rust 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 git repo https://github.com/aquilesics/learning_rust
[INFO] finished tweaking git repo https://github.com/aquilesics/learning_rust
[INFO] tweaked toml for git repo https://github.com/aquilesics/learning_rust written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/aquilesics/learning_rust 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-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 30d7b0882bfe2a1fb13a402f56eb2a7b9b7691830165abbc2a9d3cc262adc4f8
[INFO] running `Command { std: "docker" "start" "-a" "30d7b0882bfe2a1fb13a402f56eb2a7b9b7691830165abbc2a9d3cc262adc4f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30d7b0882bfe2a1fb13a402f56eb2a7b9b7691830165abbc2a9d3cc262adc4f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30d7b0882bfe2a1fb13a402f56eb2a7b9b7691830165abbc2a9d3cc262adc4f8", kill_on_drop: false }`
[INFO] [stdout] 30d7b0882bfe2a1fb13a402f56eb2a7b9b7691830165abbc2a9d3cc262adc4f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 21f01219a9d39ca218ee0f2cec5524bb8c6e7525e1e39272511a5da7ba43992c
[INFO] running `Command { std: "docker" "start" "-a" "21f01219a9d39ca218ee0f2cec5524bb8c6e7525e1e39272511a5da7ba43992c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling learning_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "21f01219a9d39ca218ee0f2cec5524bb8c6e7525e1e39272511a5da7ba43992c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21f01219a9d39ca218ee0f2cec5524bb8c6e7525e1e39272511a5da7ba43992c", kill_on_drop: false }`
[INFO] [stdout] 21f01219a9d39ca218ee0f2cec5524bb8c6e7525e1e39272511a5da7ba43992c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] c05fe6e416b00e88d24850db99fd0890f62fe00bd2963beaebd44f19276d4a5e
[INFO] running `Command { std: "docker" "start" "-a" "c05fe6e416b00e88d24850db99fd0890f62fe00bd2963beaebd44f19276d4a5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/learning_rust-2ae0c7e3721b852b)
[INFO] running `Command { std: "docker" "inspect" "c05fe6e416b00e88d24850db99fd0890f62fe00bd2963beaebd44f19276d4a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c05fe6e416b00e88d24850db99fd0890f62fe00bd2963beaebd44f19276d4a5e", kill_on_drop: false }`
[INFO] [stdout] c05fe6e416b00e88d24850db99fd0890f62fe00bd2963beaebd44f19276d4a5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 42387594eb947386a909ce0d66059e254e096454e7d6b495a74c8a766fe238bb
[INFO] running `Command { std: "docker" "start" "-a" "42387594eb947386a909ce0d66059e254e096454e7d6b495a74c8a766fe238bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/learning_rust-2ae0c7e3721b852b)
[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 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "42387594eb947386a909ce0d66059e254e096454e7d6b495a74c8a766fe238bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42387594eb947386a909ce0d66059e254e096454e7d6b495a74c8a766fe238bb", kill_on_drop: false }`
[INFO] [stdout] 42387594eb947386a909ce0d66059e254e096454e7d6b495a74c8a766fe238bb