[INFO] fetching crate quiz 0.0.3...
[INFO] testing quiz-0.0.3 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate quiz 0.0.3 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate quiz 0.0.3 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate quiz 0.0.3
[INFO] finished tweaking crates.io crate quiz 0.0.3
[INFO] tweaked toml for crates.io crate quiz 0.0.3 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate quiz 0.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7785888886380bdfe595248571e77c33937f5328d07b2c36a4c5088c608f47a
[INFO] running `Command { std: "docker" "start" "-a" "e7785888886380bdfe595248571e77c33937f5328d07b2c36a4c5088c608f47a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7785888886380bdfe595248571e77c33937f5328d07b2c36a4c5088c608f47a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7785888886380bdfe595248571e77c33937f5328d07b2c36a4c5088c608f47a", kill_on_drop: false }`
[INFO] [stdout] e7785888886380bdfe595248571e77c33937f5328d07b2c36a4c5088c608f47a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce2c99b33d016d615b198623dda21daefeb2e5116ac0311ceb7f73a65086fa43
[INFO] running `Command { std: "docker" "start" "-a" "ce2c99b33d016d615b198623dda21daefeb2e5116ac0311ceb7f73a65086fa43", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling figures-rs v0.0.1
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling quiz v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.22s
[INFO] running `Command { std: "docker" "inspect" "ce2c99b33d016d615b198623dda21daefeb2e5116ac0311ceb7f73a65086fa43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce2c99b33d016d615b198623dda21daefeb2e5116ac0311ceb7f73a65086fa43", kill_on_drop: false }`
[INFO] [stdout] ce2c99b33d016d615b198623dda21daefeb2e5116ac0311ceb7f73a65086fa43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 119a0999cd24573c7a1bd776683ea778de4a75c6f7c08837b2e54817eeeebb6a
[INFO] running `Command { std: "docker" "start" "-a" "119a0999cd24573c7a1bd776683ea778de4a75c6f7c08837b2e54817eeeebb6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling quiz v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "119a0999cd24573c7a1bd776683ea778de4a75c6f7c08837b2e54817eeeebb6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "119a0999cd24573c7a1bd776683ea778de4a75c6f7c08837b2e54817eeeebb6a", kill_on_drop: false }`
[INFO] [stdout] 119a0999cd24573c7a1bd776683ea778de4a75c6f7c08837b2e54817eeeebb6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83faf37bc1c58665f476de0fee3fc9ffbef078f58342c1502feb11a2ad296a53
[INFO] running `Command { std: "docker" "start" "-a" "83faf37bc1c58665f476de0fee3fc9ffbef078f58342c1502feb11a2ad296a53", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/quiz-13a766d4de864d36)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/test-f2e5429c003e9f5e)
[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 quiz
[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" "83faf37bc1c58665f476de0fee3fc9ffbef078f58342c1502feb11a2ad296a53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83faf37bc1c58665f476de0fee3fc9ffbef078f58342c1502feb11a2ad296a53", kill_on_drop: false }`
[INFO] [stdout] 83faf37bc1c58665f476de0fee3fc9ffbef078f58342c1502feb11a2ad296a53