[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 master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptechen%2Frust_mod_learn" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ptechen/rust_mod_learn on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-6/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c51fa9dc4b909eec978b7c347d9bd724f807e88fd24363681794181a30655de0
[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" "c51fa9dc4b909eec978b7c347d9bd724f807e88fd24363681794181a30655de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c51fa9dc4b909eec978b7c347d9bd724f807e88fd24363681794181a30655de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c51fa9dc4b909eec978b7c347d9bd724f807e88fd24363681794181a30655de0", kill_on_drop: false }`
[INFO] [stdout] c51fa9dc4b909eec978b7c347d9bd724f807e88fd24363681794181a30655de0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc0f96b8e5c26242a27812b6878c77acc00dbb12efc7aa88f9da6f9351782f52
[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" "cc0f96b8e5c26242a27812b6878c77acc00dbb12efc7aa88f9da6f9351782f52", 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 dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "cc0f96b8e5c26242a27812b6878c77acc00dbb12efc7aa88f9da6f9351782f52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc0f96b8e5c26242a27812b6878c77acc00dbb12efc7aa88f9da6f9351782f52", kill_on_drop: false }`
[INFO] [stdout] cc0f96b8e5c26242a27812b6878c77acc00dbb12efc7aa88f9da6f9351782f52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aee9cf711ccef9f899d0b04f99cd80530721ac6d57fbab9f0e5a6df04dc01676
[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" "aee9cf711ccef9f899d0b04f99cd80530721ac6d57fbab9f0e5a6df04dc01676", kill_on_drop: false }`
[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_learn4 v0.1.0 (/opt/rustwide/workdir/mod_learn4)
[INFO] [stderr]    Compiling mod_learn2 v0.1.0 (/opt/rustwide/workdir/mod_learn2)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "aee9cf711ccef9f899d0b04f99cd80530721ac6d57fbab9f0e5a6df04dc01676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee9cf711ccef9f899d0b04f99cd80530721ac6d57fbab9f0e5a6df04dc01676", kill_on_drop: false }`
[INFO] [stdout] aee9cf711ccef9f899d0b04f99cd80530721ac6d57fbab9f0e5a6df04dc01676
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] a0a0e53933d6dd48aa7843b2eea56c54b80f1882c1e531b34bb1c8d5303bf6a3
[INFO] running `Command { std: "docker" "start" "-a" "a0a0e53933d6dd48aa7843b2eea56c54b80f1882c1e531b34bb1c8d5303bf6a3", 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_learn1-5354e9ace3451bdd)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mod_learn2-8c00c7c2e403cde7)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mod_learn3-eeb338862935e868)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mod_learn4-9f45cbbd29ec4c8b)
[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 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" "a0a0e53933d6dd48aa7843b2eea56c54b80f1882c1e531b34bb1c8d5303bf6a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0a0e53933d6dd48aa7843b2eea56c54b80f1882c1e531b34bb1c8d5303bf6a3", kill_on_drop: false }`
[INFO] [stdout] a0a0e53933d6dd48aa7843b2eea56c54b80f1882c1e531b34bb1c8d5303bf6a3