[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#595316b4006932405a63862d8fe65f71a6356293 for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptechen%2Frust_mod_learn" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ptechen/rust_mod_learn on toolchain 595316b4006932405a63862d8fe65f71a6356293
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "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-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1162dfd5af82deb7514d0ba42984aff96fe11788d9a24bc1887953251519ce32
[INFO] running `Command { std: "docker" "start" "-a" "1162dfd5af82deb7514d0ba42984aff96fe11788d9a24bc1887953251519ce32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1162dfd5af82deb7514d0ba42984aff96fe11788d9a24bc1887953251519ce32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1162dfd5af82deb7514d0ba42984aff96fe11788d9a24bc1887953251519ce32", kill_on_drop: false }`
[INFO] [stdout] 1162dfd5af82deb7514d0ba42984aff96fe11788d9a24bc1887953251519ce32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84f3539196c2b97850fdede078cc5c0ef8cc6735b18972d521dcf6c5eb5c235b
[INFO] running `Command { std: "docker" "start" "-a" "84f3539196c2b97850fdede078cc5c0ef8cc6735b18972d521dcf6c5eb5c235b", kill_on_drop: false }`
[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]    Compiling mod_learn2 v0.1.0 (/opt/rustwide/workdir/mod_learn2)
[INFO] [stderr]    Compiling mod_learn1 v0.1.0 (/opt/rustwide/workdir/mod_learn1)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "84f3539196c2b97850fdede078cc5c0ef8cc6735b18972d521dcf6c5eb5c235b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84f3539196c2b97850fdede078cc5c0ef8cc6735b18972d521dcf6c5eb5c235b", kill_on_drop: false }`
[INFO] [stdout] 84f3539196c2b97850fdede078cc5c0ef8cc6735b18972d521dcf6c5eb5c235b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f35ac41d0898a19f90504c6eb2404e3f4f52fb820eeb67b3c37e0b5205901e50
[INFO] running `Command { std: "docker" "start" "-a" "f35ac41d0898a19f90504c6eb2404e3f4f52fb820eeb67b3c37e0b5205901e50", kill_on_drop: false }`
[INFO] [stderr]    Compiling mod_learn2 v0.1.0 (/opt/rustwide/workdir/mod_learn2)
[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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "f35ac41d0898a19f90504c6eb2404e3f4f52fb820eeb67b3c37e0b5205901e50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f35ac41d0898a19f90504c6eb2404e3f4f52fb820eeb67b3c37e0b5205901e50", kill_on_drop: false }`
[INFO] [stdout] f35ac41d0898a19f90504c6eb2404e3f4f52fb820eeb67b3c37e0b5205901e50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 69c013a2c1a1875361ebae22ee982324b692e228c8a0722cf91939f6fe972f08
[INFO] running `Command { std: "docker" "start" "-a" "69c013a2c1a1875361ebae22ee982324b692e228c8a0722cf91939f6fe972f08", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mod_learn1-aa9b978f92dcb139)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mod_learn2-6d10293304b6a530)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mod_learn3-4b2fdeb513d220f5)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mod_learn4-f17a9ddcd5f7ed00)
[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 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "69c013a2c1a1875361ebae22ee982324b692e228c8a0722cf91939f6fe972f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69c013a2c1a1875361ebae22ee982324b692e228c8a0722cf91939f6fe972f08", kill_on_drop: false }`
[INFO] [stdout] 69c013a2c1a1875361ebae22ee982324b692e228c8a0722cf91939f6fe972f08