[INFO] cloning repository https://github.com/danydiaz91/rust_exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danydiaz91/rust_exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanydiaz91%2Frust_exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanydiaz91%2Frust_exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e28fe132a9b168b7e81490bf992b044be9840c27
[INFO] testing danydiaz91/rust_exercises against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanydiaz91%2Frust_exercises" "/workspace/builds/worker-115/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-115/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danydiaz91/rust_exercises on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/danydiaz91/rust_exercises
[INFO] finished tweaking git repo https://github.com/danydiaz91/rust_exercises
[INFO] tweaked toml for git repo https://github.com/danydiaz91/rust_exercises written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] crate git repo https://github.com/danydiaz91/rust_exercises already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74f2a53809371b7bad0451d05194f577a988c741d0f20f81510dcfaaa4844837
[INFO] running `Command { std: "docker" "start" "-a" "74f2a53809371b7bad0451d05194f577a988c741d0f20f81510dcfaaa4844837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74f2a53809371b7bad0451d05194f577a988c741d0f20f81510dcfaaa4844837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74f2a53809371b7bad0451d05194f577a988c741d0f20f81510dcfaaa4844837", kill_on_drop: false }`
[INFO] [stdout] 74f2a53809371b7bad0451d05194f577a988c741d0f20f81510dcfaaa4844837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dc25ff936e13c9862941bf705fbe1d8522d449bd8e7446fe0e39172ed7689c9
[INFO] running `Command { std: "docker" "start" "-a" "9dc25ff936e13c9862941bf705fbe1d8522d449bd8e7446fe0e39172ed7689c9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling exercise_2 v0.1.0 (/opt/rustwide/workdir/exercise_2)
[INFO] [stderr]    Compiling exercise_3 v0.1.0 (/opt/rustwide/workdir/exercise_3)
[INFO] [stderr]    Compiling exercise_1 v0.1.0 (/opt/rustwide/workdir/exercise_1)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.53s
[INFO] running `Command { std: "docker" "inspect" "9dc25ff936e13c9862941bf705fbe1d8522d449bd8e7446fe0e39172ed7689c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dc25ff936e13c9862941bf705fbe1d8522d449bd8e7446fe0e39172ed7689c9", kill_on_drop: false }`
[INFO] [stdout] 9dc25ff936e13c9862941bf705fbe1d8522d449bd8e7446fe0e39172ed7689c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35e0e46851df1f1e762cdfaac67515ff17c80b12e238a465b761f47c29fcc8b8
[INFO] running `Command { std: "docker" "start" "-a" "35e0e46851df1f1e762cdfaac67515ff17c80b12e238a465b761f47c29fcc8b8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling exercise_3 v0.1.0 (/opt/rustwide/workdir/exercise_3)
[INFO] [stderr]    Compiling exercise_1 v0.1.0 (/opt/rustwide/workdir/exercise_1)
[INFO] [stderr]    Compiling exercise_2 v0.1.0 (/opt/rustwide/workdir/exercise_2)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "35e0e46851df1f1e762cdfaac67515ff17c80b12e238a465b761f47c29fcc8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e0e46851df1f1e762cdfaac67515ff17c80b12e238a465b761f47c29fcc8b8", kill_on_drop: false }`
[INFO] [stdout] 35e0e46851df1f1e762cdfaac67515ff17c80b12e238a465b761f47c29fcc8b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d1be877b9218bcce38494bbc53d11ab874a5927a474fd3ce4d6b05767b5f2eb
[INFO] running `Command { std: "docker" "start" "-a" "5d1be877b9218bcce38494bbc53d11ab874a5927a474fd3ce4d6b05767b5f2eb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/exercise_1-b43f7c07b9fe4a81)
[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 (/opt/rustwide/target/debug/deps/exercise_2-1213c9a27c1c0926)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::read_file_error ... ok
[INFO] [stdout] test tests::read_file_ok ... ok
[INFO] [stdout] test tests::unique_words_ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/exercise_2-c7f63f8c439e7b68)
[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 (/opt/rustwide/target/debug/deps/exercise_3-105ffd0ad92c51f6)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::enroll_student_error ... ok
[INFO] [stdout] test tests::enroll_student_ok ... ok
[INFO] [stdout] test tests::same_institution_false ... ok
[INFO] [stdout] test tests::same_institution_true ... ok
[INFO] [stdout] test tests::students_ordered ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 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/exercise_3-389a4aa7d76ae645)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests exercise_2
[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] [stderr]    Doc-tests exercise_3
[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" "5d1be877b9218bcce38494bbc53d11ab874a5927a474fd3ce4d6b05767b5f2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d1be877b9218bcce38494bbc53d11ab874a5927a474fd3ce4d6b05767b5f2eb", kill_on_drop: false }`
[INFO] [stdout] 5d1be877b9218bcce38494bbc53d11ab874a5927a474fd3ce4d6b05767b5f2eb