[INFO] cloning repository https://github.com/nelsonjchen/tla_plus_lecture_description
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nelsonjchen/tla_plus_lecture_description" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnelsonjchen%2Ftla_plus_lecture_description", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnelsonjchen%2Ftla_plus_lecture_description'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73e786af89dc4dbab85d3f2ad4d50c5673c6b12b
[INFO] testing nelsonjchen/tla_plus_lecture_description against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnelsonjchen%2Ftla_plus_lecture_description" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nelsonjchen/tla_plus_lecture_description on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nelsonjchen/tla_plus_lecture_description
[INFO] finished tweaking git repo https://github.com/nelsonjchen/tla_plus_lecture_description
[INFO] tweaked toml for git repo https://github.com/nelsonjchen/tla_plus_lecture_description written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/nelsonjchen/tla_plus_lecture_description already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 071d4b04c534ea5d1699ba547eeb71eb919a061e6d735d89d0e17e93c6d5445a
[INFO] running `Command { std: "docker" "start" "-a" "071d4b04c534ea5d1699ba547eeb71eb919a061e6d735d89d0e17e93c6d5445a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "071d4b04c534ea5d1699ba547eeb71eb919a061e6d735d89d0e17e93c6d5445a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "071d4b04c534ea5d1699ba547eeb71eb919a061e6d735d89d0e17e93c6d5445a", kill_on_drop: false }`
[INFO] [stdout] 071d4b04c534ea5d1699ba547eeb71eb919a061e6d735d89d0e17e93c6d5445a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a91a7c032d1c13a131d3127619e2ca764ff97a3dac9aa9a0e52883e1917a091
[INFO] running `Command { std: "docker" "start" "-a" "5a91a7c032d1c13a131d3127619e2ca764ff97a3dac9aa9a0e52883e1917a091", kill_on_drop: false }`
[INFO] [stderr]    Compiling tla_plus_lecture_description v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]  --> src/main.rs:5:38
[INFO] [stdout]   |
[INFO] [stdout] 5 |   See description for time markers.\n\n\
[INFO] [stdout]   |  ______________________________________^
[INFO] [stdout] 6 | |
[INFO] [stdout] 7 | | IMPORTANT NOTE!: This is a mirror of \
[INFO] [stdout]   | |_ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "5a91a7c032d1c13a131d3127619e2ca764ff97a3dac9aa9a0e52883e1917a091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a91a7c032d1c13a131d3127619e2ca764ff97a3dac9aa9a0e52883e1917a091", kill_on_drop: false }`
[INFO] [stdout] 5a91a7c032d1c13a131d3127619e2ca764ff97a3dac9aa9a0e52883e1917a091
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5db50fc54c748b914a5e15774d2005bf5cdfa5405a7c64893291685f25c291b0
[INFO] running `Command { std: "docker" "start" "-a" "5db50fc54c748b914a5e15774d2005bf5cdfa5405a7c64893291685f25c291b0", 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] [stderr]    Compiling tla_plus_lecture_description v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]  --> src/main.rs:5:38
[INFO] [stdout]   |
[INFO] [stdout] 5 |   See description for time markers.\n\n\
[INFO] [stdout]   |  ______________________________________^
[INFO] [stdout] 6 | |
[INFO] [stdout] 7 | | IMPORTANT NOTE!: This is a mirror of \
[INFO] [stdout]   | |_ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "5db50fc54c748b914a5e15774d2005bf5cdfa5405a7c64893291685f25c291b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db50fc54c748b914a5e15774d2005bf5cdfa5405a7c64893291685f25c291b0", kill_on_drop: false }`
[INFO] [stdout] 5db50fc54c748b914a5e15774d2005bf5cdfa5405a7c64893291685f25c291b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d7bb8ebca0d46a5ae8d376c35b3bd7fc6b812340dae309b97e5f317e6ec0b04f
[INFO] running `Command { std: "docker" "start" "-a" "d7bb8ebca0d46a5ae8d376c35b3bd7fc6b812340dae309b97e5f317e6ec0b04f", kill_on_drop: false }`
[INFO] [stderr] warning: multiple lines skipped by escaped newline
[INFO] [stderr]  --> src/main.rs:5:38
[INFO] [stderr]   |
[INFO] [stderr] 5 |   See description for time markers.\n\n\
[INFO] [stderr]   |  ______________________________________^
[INFO] [stderr] 6 | |
[INFO] [stderr] 7 | | IMPORTANT NOTE!: This is a mirror of \
[INFO] [stderr]   | |_ skipping everything up to and including this point
[INFO] [stderr] 
[INFO] [stderr] warning: `tla_plus_lecture_description` (bin "tla_plus_lecture_description" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tla_plus_lecture_description-6c26f171a5910b2e)
[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" "d7bb8ebca0d46a5ae8d376c35b3bd7fc6b812340dae309b97e5f317e6ec0b04f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7bb8ebca0d46a5ae8d376c35b3bd7fc6b812340dae309b97e5f317e6ec0b04f", kill_on_drop: false }`
[INFO] [stdout] d7bb8ebca0d46a5ae8d376c35b3bd7fc6b812340dae309b97e5f317e6ec0b04f