[INFO] cloning repository https://github.com/ptechen/rust_mod_learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ptechen/rust_mod_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptechen%2Frust_mod_learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptechen%2Frust_mod_learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4eb66f6e977381bf654b2f5caeb2989dc6f31d62
[INFO] testing ptechen/rust_mod_learn against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptechen%2Frust_mod_learn" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ptechen/rust_mod_learn on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ptechen/rust_mod_learn
[INFO] finished tweaking git repo https://github.com/ptechen/rust_mod_learn
[INFO] tweaked toml for git repo https://github.com/ptechen/rust_mod_learn written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ptechen/rust_mod_learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbdea19d7c643ce1bd7bd9b283924ac582fbef9dd4528fa006f7f3286112f829
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bbdea19d7c643ce1bd7bd9b283924ac582fbef9dd4528fa006f7f3286112f829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbdea19d7c643ce1bd7bd9b283924ac582fbef9dd4528fa006f7f3286112f829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbdea19d7c643ce1bd7bd9b283924ac582fbef9dd4528fa006f7f3286112f829", kill_on_drop: false }`
[INFO] [stdout] bbdea19d7c643ce1bd7bd9b283924ac582fbef9dd4528fa006f7f3286112f829
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a32b539059721e400ba5f2032b6f746d5416e13f28ba486d1866f0cf696ebef0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a32b539059721e400ba5f2032b6f746d5416e13f28ba486d1866f0cf696ebef0", kill_on_drop: false }`
[INFO] [stderr]    Compiling mod_learn4 v0.1.0 (/opt/rustwide/workdir/mod_learn4)
[INFO] [stderr]    Compiling mod_learn3 v0.1.0 (/opt/rustwide/workdir/mod_learn3)
[INFO] [stderr]    Compiling mod_learn1 v0.1.0 (/opt/rustwide/workdir/mod_learn1)
[INFO] [stderr]    Compiling mod_learn2 v0.1.0 (/opt/rustwide/workdir/mod_learn2)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "a32b539059721e400ba5f2032b6f746d5416e13f28ba486d1866f0cf696ebef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a32b539059721e400ba5f2032b6f746d5416e13f28ba486d1866f0cf696ebef0", kill_on_drop: false }`
[INFO] [stdout] a32b539059721e400ba5f2032b6f746d5416e13f28ba486d1866f0cf696ebef0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3866f0ce4ae8c6814849a79b61816622a28b44b89db274f48976dc94435e2e2f
[INFO] running `Command { std: "docker" "start" "-a" "3866f0ce4ae8c6814849a79b61816622a28b44b89db274f48976dc94435e2e2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling mod_learn1 v0.1.0 (/opt/rustwide/workdir/mod_learn1)
[INFO] [stderr]    Compiling mod_learn2 v0.1.0 (/opt/rustwide/workdir/mod_learn2)
[INFO] [stderr]    Compiling mod_learn3 v0.1.0 (/opt/rustwide/workdir/mod_learn3)
[INFO] [stderr]    Compiling mod_learn4 v0.1.0 (/opt/rustwide/workdir/mod_learn4)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "3866f0ce4ae8c6814849a79b61816622a28b44b89db274f48976dc94435e2e2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3866f0ce4ae8c6814849a79b61816622a28b44b89db274f48976dc94435e2e2f", kill_on_drop: false }`
[INFO] [stdout] 3866f0ce4ae8c6814849a79b61816622a28b44b89db274f48976dc94435e2e2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e733200ab7ccb6c5d6c86a966808dc48a5c79c33fdc6e45a96b03bace241958c
[INFO] running `Command { std: "docker" "start" "-a" "e733200ab7ccb6c5d6c86a966808dc48a5c79c33fdc6e45a96b03bace241958c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mod_learn1-358a535afb272cce)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mod_learn2-f8c6e431d59171f8)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mod_learn3-47d071ba89be2e07)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mod_learn4-488f418fbdc16a77)
[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] [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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test read_func::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e733200ab7ccb6c5d6c86a966808dc48a5c79c33fdc6e45a96b03bace241958c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e733200ab7ccb6c5d6c86a966808dc48a5c79c33fdc6e45a96b03bace241958c", kill_on_drop: false }`
[INFO] [stdout] e733200ab7ccb6c5d6c86a966808dc48a5c79c33fdc6e45a96b03bace241958c