[INFO] fetching crate school_library 1.0.3...
[INFO] testing school_library-1.0.3 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate school_library 1.0.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate school_library 1.0.3
[INFO] finished tweaking crates.io crate school_library 1.0.3
[INFO] tweaked toml for crates.io crate school_library 1.0.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate school_library 1.0.3 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 825a2a2cd284cae4fcddf30e05251612d1b61b03e0478f07299aad614fb2abb1
[INFO] running `Command { std: "docker" "start" "-a" "825a2a2cd284cae4fcddf30e05251612d1b61b03e0478f07299aad614fb2abb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "825a2a2cd284cae4fcddf30e05251612d1b61b03e0478f07299aad614fb2abb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "825a2a2cd284cae4fcddf30e05251612d1b61b03e0478f07299aad614fb2abb1", kill_on_drop: false }`
[INFO] [stdout] 825a2a2cd284cae4fcddf30e05251612d1b61b03e0478f07299aad614fb2abb1
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38b60c9ff327c0164acbda8ba26167808be9d686b821cb77fa4dbcbb23fde9f3
[INFO] running `Command { std: "docker" "start" "-a" "38b60c9ff327c0164acbda8ba26167808be9d686b821cb77fa4dbcbb23fde9f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling school_library v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "38b60c9ff327c0164acbda8ba26167808be9d686b821cb77fa4dbcbb23fde9f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38b60c9ff327c0164acbda8ba26167808be9d686b821cb77fa4dbcbb23fde9f3", kill_on_drop: false }`
[INFO] [stdout] 38b60c9ff327c0164acbda8ba26167808be9d686b821cb77fa4dbcbb23fde9f3
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efae6630f71208934522a629e44da4f6ed04fed1de3b0d8579bb8ba6b944df4a
[INFO] running `Command { std: "docker" "start" "-a" "efae6630f71208934522a629e44da4f6ed04fed1de3b0d8579bb8ba6b944df4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling school_library v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "efae6630f71208934522a629e44da4f6ed04fed1de3b0d8579bb8ba6b944df4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efae6630f71208934522a629e44da4f6ed04fed1de3b0d8579bb8ba6b944df4a", kill_on_drop: false }`
[INFO] [stdout] efae6630f71208934522a629e44da4f6ed04fed1de3b0d8579bb8ba6b944df4a
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d85f9487bcd62c5baa4f97b400e1df66d53293e3b27f10217f83658aa559f03
[INFO] running `Command { std: "docker" "start" "-a" "7d85f9487bcd62c5baa4f97b400e1df66d53293e3b27f10217f83658aa559f03", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/school_library-45d3f20885c49242)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test school::tests::test_add_class ... ok
[INFO] [stdout] test school::tests::test_class_average ... ok
[INFO] [stdout] test school::tests::test_add_student_to_class ... ok
[INFO] [stdout] test school::tests::test_class_creation ... ok
[INFO] [stdout] test school::tests::test_get_best_class ... ok
[INFO] [stdout] test school::tests::test_get_best_class_with_empty_school ... ok
[INFO] [stdout] test school::tests::test_get_best_class_with_empty_classes ... ok
[INFO] [stdout] test school::tests::test_get_best_class_with_multiple_classes ... ok
[INFO] [stdout] test school::tests::test_school_average_grades ... ok
[INFO] [stdout] test school::tests::test_school_average_grades_with_students ... ok
[INFO] [stdout] test school::tests::test_school_cloning ... ok
[INFO] [stdout] test school::tests::test_school_creation ... ok
[INFO] [stdout] test school::tests::test_student_cloning ... ok
[INFO] [stdout] test school::tests::test_student_creation ... ok
[INFO] [stdout] test school::tests::test_class_cloning ... ok
[INFO] [stdout] test school::tests::test_school_average_grades_with_multiple_students ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests school_library
[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" "7d85f9487bcd62c5baa4f97b400e1df66d53293e3b27f10217f83658aa559f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d85f9487bcd62c5baa4f97b400e1df66d53293e3b27f10217f83658aa559f03", kill_on_drop: false }`
[INFO] [stdout] 7d85f9487bcd62c5baa4f97b400e1df66d53293e3b27f10217f83658aa559f03