[INFO] cloning repository https://github.com/kenji114/rust-lesson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kenji114/rust-lesson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkenji114%2Frust-lesson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkenji114%2Frust-lesson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25e3ff22309fdcfc250820ee729ca52a92064759
[INFO] testing kenji114/rust-lesson 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%2Fkenji114%2Frust-lesson" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kenji114/rust-lesson 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/kenji114/rust-lesson
[INFO] finished tweaking git repo https://github.com/kenji114/rust-lesson
[INFO] tweaked toml for git repo https://github.com/kenji114/rust-lesson written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate git repo https://github.com/kenji114/rust-lesson 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-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 50f550435e9af49f92cfc5cfcd06d87b95460d2de3a97a30987c88136804e4fc
[INFO] running `Command { std: "docker" "start" "-a" "50f550435e9af49f92cfc5cfcd06d87b95460d2de3a97a30987c88136804e4fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50f550435e9af49f92cfc5cfcd06d87b95460d2de3a97a30987c88136804e4fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f550435e9af49f92cfc5cfcd06d87b95460d2de3a97a30987c88136804e4fc", kill_on_drop: false }`
[INFO] [stdout] 50f550435e9af49f92cfc5cfcd06d87b95460d2de3a97a30987c88136804e4fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] b629b63ab4bf4e932c793e257b350d7be514789e947eac521457e331d8196d59
[INFO] running `Command { std: "docker" "start" "-a" "b629b63ab4bf4e932c793e257b350d7be514789e947eac521457e331d8196d59", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-lesson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `Command { std: "docker" "inspect" "b629b63ab4bf4e932c793e257b350d7be514789e947eac521457e331d8196d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b629b63ab4bf4e932c793e257b350d7be514789e947eac521457e331d8196d59", kill_on_drop: false }`
[INFO] [stdout] b629b63ab4bf4e932c793e257b350d7be514789e947eac521457e331d8196d59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 4398449677ceb9fb670d328879d60a7f1983fa35c8179164dbe3d315cfd4f469
[INFO] running `Command { std: "docker" "start" "-a" "4398449677ceb9fb670d328879d60a7f1983fa35c8179164dbe3d315cfd4f469", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-lesson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.52s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_lesson-55e828c148ce5787)
[INFO] running `Command { std: "docker" "inspect" "4398449677ceb9fb670d328879d60a7f1983fa35c8179164dbe3d315cfd4f469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4398449677ceb9fb670d328879d60a7f1983fa35c8179164dbe3d315cfd4f469", kill_on_drop: false }`
[INFO] [stdout] 4398449677ceb9fb670d328879d60a7f1983fa35c8179164dbe3d315cfd4f469
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] c30b6c0e2fb96f017c96f4668719beb410777794fb0faec61268d3dfc2bc9ddd
[INFO] running `Command { std: "docker" "start" "-a" "c30b6c0e2fb96f017c96f4668719beb410777794fb0faec61268d3dfc2bc9ddd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.96s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_lesson-55e828c148ce5787)
[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" "c30b6c0e2fb96f017c96f4668719beb410777794fb0faec61268d3dfc2bc9ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30b6c0e2fb96f017c96f4668719beb410777794fb0faec61268d3dfc2bc9ddd", kill_on_drop: false }`
[INFO] [stdout] c30b6c0e2fb96f017c96f4668719beb410777794fb0faec61268d3dfc2bc9ddd