[INFO] cloning repository https://github.com/nyu-pl-sp19/class13
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nyu-pl-sp19/class13" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyu-pl-sp19%2Fclass13", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyu-pl-sp19%2Fclass13'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8db2450e414f5965c89cafb26a844661c6570fa
[INFO] testing nyu-pl-sp19/class13 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyu-pl-sp19%2Fclass13" "/workspace/builds/worker-83/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-83/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nyu-pl-sp19/class13 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/nyu-pl-sp19/class13
[INFO] finished tweaking git repo https://github.com/nyu-pl-sp19/class13
[INFO] tweaked toml for git repo https://github.com/nyu-pl-sp19/class13 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] crate git repo https://github.com/nyu-pl-sp19/class13 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-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] e66bc5f51e54bb05cffd8af95f481e57b2320c92338f3afb626eb5a52ccefabb
[INFO] running `Command { std: "docker" "start" "-a" "e66bc5f51e54bb05cffd8af95f481e57b2320c92338f3afb626eb5a52ccefabb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e66bc5f51e54bb05cffd8af95f481e57b2320c92338f3afb626eb5a52ccefabb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e66bc5f51e54bb05cffd8af95f481e57b2320c92338f3afb626eb5a52ccefabb", kill_on_drop: false }`
[INFO] [stdout] e66bc5f51e54bb05cffd8af95f481e57b2320c92338f3afb626eb5a52ccefabb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] d103b6b6e9f39201058699cae96d278a8636dd214bcbe85bc3456a78438644d7
[INFO] running `Command { std: "docker" "start" "-a" "d103b6b6e9f39201058699cae96d278a8636dd214bcbe85bc3456a78438644d7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pl-class13 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "d103b6b6e9f39201058699cae96d278a8636dd214bcbe85bc3456a78438644d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d103b6b6e9f39201058699cae96d278a8636dd214bcbe85bc3456a78438644d7", kill_on_drop: false }`
[INFO] [stdout] d103b6b6e9f39201058699cae96d278a8636dd214bcbe85bc3456a78438644d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 020920a693a46329d02c460b98382feacf97a1ac690c22831cc8e83569382eb5
[INFO] running `Command { std: "docker" "start" "-a" "020920a693a46329d02c460b98382feacf97a1ac690c22831cc8e83569382eb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling pl-class13 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "020920a693a46329d02c460b98382feacf97a1ac690c22831cc8e83569382eb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "020920a693a46329d02c460b98382feacf97a1ac690c22831cc8e83569382eb5", kill_on_drop: false }`
[INFO] [stdout] 020920a693a46329d02c460b98382feacf97a1ac690c22831cc8e83569382eb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 0927717608d55e39a66260eaf6cbc4cd996adce6b5eec2d8d22ff541f275100c
[INFO] running `Command { std: "docker" "start" "-a" "0927717608d55e39a66260eaf6cbc4cd996adce6b5eec2d8d22ff541f275100c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.94s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pl_class13-35a796cb535d6694)
[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" "0927717608d55e39a66260eaf6cbc4cd996adce6b5eec2d8d22ff541f275100c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0927717608d55e39a66260eaf6cbc4cd996adce6b5eec2d8d22ff541f275100c", kill_on_drop: false }`
[INFO] [stdout] 0927717608d55e39a66260eaf6cbc4cd996adce6b5eec2d8d22ff541f275100c