[INFO] fetching crate school_library 1.0.3...
[INFO] testing school_library-1.0.3 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate school_library 1.0.3 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate school_library 1.0.3 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.8.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adad2fe192d05179acc2dadfa5a5e65d12305bf8126924dfdc1d3f6a46cad72b
[INFO] running `Command { std: "docker" "start" "-a" "adad2fe192d05179acc2dadfa5a5e65d12305bf8126924dfdc1d3f6a46cad72b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adad2fe192d05179acc2dadfa5a5e65d12305bf8126924dfdc1d3f6a46cad72b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adad2fe192d05179acc2dadfa5a5e65d12305bf8126924dfdc1d3f6a46cad72b", kill_on_drop: false }`
[INFO] [stdout] adad2fe192d05179acc2dadfa5a5e65d12305bf8126924dfdc1d3f6a46cad72b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43da9fbf0c48ba3bc718ca07e7b5cc9302509a1d16c1ae3198ca12b6ffd5fc26
[INFO] running `Command { std: "docker" "start" "-a" "43da9fbf0c48ba3bc718ca07e7b5cc9302509a1d16c1ae3198ca12b6ffd5fc26", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling school_library v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.15s
[INFO] running `Command { std: "docker" "inspect" "43da9fbf0c48ba3bc718ca07e7b5cc9302509a1d16c1ae3198ca12b6ffd5fc26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43da9fbf0c48ba3bc718ca07e7b5cc9302509a1d16c1ae3198ca12b6ffd5fc26", kill_on_drop: false }`
[INFO] [stdout] 43da9fbf0c48ba3bc718ca07e7b5cc9302509a1d16c1ae3198ca12b6ffd5fc26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41ae0e135572c8555ff9821fe1b2a0c3fcdcbc5e8ea0adc2ce39cb15c509cb94
[INFO] running `Command { std: "docker" "start" "-a" "41ae0e135572c8555ff9821fe1b2a0c3fcdcbc5e8ea0adc2ce39cb15c509cb94", 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 0.64s
[INFO] running `Command { std: "docker" "inspect" "41ae0e135572c8555ff9821fe1b2a0c3fcdcbc5e8ea0adc2ce39cb15c509cb94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41ae0e135572c8555ff9821fe1b2a0c3fcdcbc5e8ea0adc2ce39cb15c509cb94", kill_on_drop: false }`
[INFO] [stdout] 41ae0e135572c8555ff9821fe1b2a0c3fcdcbc5e8ea0adc2ce39cb15c509cb94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f3458f1c27950d24301e729856c15ab24a655af04dc3e4f4a6055739a1f0c2b
[INFO] running `Command { std: "docker" "start" "-a" "0f3458f1c27950d24301e729856c15ab24a655af04dc3e4f4a6055739a1f0c2b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/school_library-f24720afb99a03d7)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[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_add_class ... ok
[INFO] [stdout] test school::tests::test_school_average_grades_with_students ... ok
[INFO] [stdout] test school::tests::test_get_best_class ... ok
[INFO] [stdout] test school::tests::test_school_average_grades_with_multiple_students ... ok
[INFO] [stdout] test school::tests::test_school_creation ... ok
[INFO] [stdout] test school::tests::test_school_cloning ... ok
[INFO] [stdout] test school::tests::test_get_best_class_with_empty_classes ... 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_average ... ok
[INFO] [stdout] test school::tests::test_class_cloning ... 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_with_empty_school ... 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" "0f3458f1c27950d24301e729856c15ab24a655af04dc3e4f4a6055739a1f0c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f3458f1c27950d24301e729856c15ab24a655af04dc3e4f4a6055739a1f0c2b", kill_on_drop: false }`
[INFO] [stdout] 0f3458f1c27950d24301e729856c15ab24a655af04dc3e4f4a6055739a1f0c2b
