[INFO] cloning repository https://github.com/fantasua/learn_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fantasua/learn_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffantasua%2Flearn_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffantasua%2Flearn_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34b41b68230dbe457fed3195a5a3e2d27176222a
[INFO] testing fantasua/learn_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%2Ffantasua%2Flearn_rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fantasua/learn_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/fantasua/learn_rust
[INFO] finished tweaking git repo https://github.com/fantasua/learn_rust
[INFO] tweaked toml for git repo https://github.com/fantasua/learn_rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/fantasua/learn_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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 65d9ac51604b0b84bae83b6eb2ceab7d1d87ab3a6f346084eb785c1e32d04696
[INFO] running `Command { std: "docker" "start" "-a" "65d9ac51604b0b84bae83b6eb2ceab7d1d87ab3a6f346084eb785c1e32d04696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65d9ac51604b0b84bae83b6eb2ceab7d1d87ab3a6f346084eb785c1e32d04696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65d9ac51604b0b84bae83b6eb2ceab7d1d87ab3a6f346084eb785c1e32d04696", kill_on_drop: false }`
[INFO] [stdout] 65d9ac51604b0b84bae83b6eb2ceab7d1d87ab3a6f346084eb785c1e32d04696
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] ff1e3d00ae5eb7c8215aa548a84391a240050f3d567b2df00a8c864ebb061412
[INFO] running `Command { std: "docker" "start" "-a" "ff1e3d00ae5eb7c8215aa548a84391a240050f3d567b2df00a8c864ebb061412", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "ff1e3d00ae5eb7c8215aa548a84391a240050f3d567b2df00a8c864ebb061412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff1e3d00ae5eb7c8215aa548a84391a240050f3d567b2df00a8c864ebb061412", kill_on_drop: false }`
[INFO] [stdout] ff1e3d00ae5eb7c8215aa548a84391a240050f3d567b2df00a8c864ebb061412
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 768c4cb4e9fdab8c496a410ab9dccf0415b6f77b52a3365bab53a89aaa4c1cba
[INFO] running `Command { std: "docker" "start" "-a" "768c4cb4e9fdab8c496a410ab9dccf0415b6f77b52a3365bab53a89aaa4c1cba", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/learn_rust-18bbacf53d3fa2d8)
[INFO] running `Command { std: "docker" "inspect" "768c4cb4e9fdab8c496a410ab9dccf0415b6f77b52a3365bab53a89aaa4c1cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "768c4cb4e9fdab8c496a410ab9dccf0415b6f77b52a3365bab53a89aaa4c1cba", kill_on_drop: false }`
[INFO] [stdout] 768c4cb4e9fdab8c496a410ab9dccf0415b6f77b52a3365bab53a89aaa4c1cba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 26380deb766f87c16a10ec856f6e11c66eaf93e50314bfbe59bee429a358e262
[INFO] running `Command { std: "docker" "start" "-a" "26380deb766f87c16a10ec856f6e11c66eaf93e50314bfbe59bee429a358e262", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/learn_rust-18bbacf53d3fa2d8)
[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" "26380deb766f87c16a10ec856f6e11c66eaf93e50314bfbe59bee429a358e262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26380deb766f87c16a10ec856f6e11c66eaf93e50314bfbe59bee429a358e262", kill_on_drop: false }`
[INFO] [stdout] 26380deb766f87c16a10ec856f6e11c66eaf93e50314bfbe59bee429a358e262