[INFO] cloning repository https://github.com/johnsnewby/mjpeg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnsnewby/mjpeg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnsnewby%2Fmjpeg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnsnewby%2Fmjpeg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ff5d31f8d70d01083ff8b1240b91a5daf2e03da
[INFO] testing johnsnewby/mjpeg against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnsnewby%2Fmjpeg" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnsnewby/mjpeg 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/johnsnewby/mjpeg
[INFO] finished tweaking git repo https://github.com/johnsnewby/mjpeg
[INFO] tweaked toml for git repo https://github.com/johnsnewby/mjpeg written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/johnsnewby/mjpeg 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
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[INFO] [stderr]   Downloaded proc-macro-hack v0.5.12
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 716791e6ce2ce23b0b8ab4afffa8e67fa823ecb2a0698379f457047b69efba71
[INFO] running `Command { std: "docker" "start" "-a" "716791e6ce2ce23b0b8ab4afffa8e67fa823ecb2a0698379f457047b69efba71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "716791e6ce2ce23b0b8ab4afffa8e67fa823ecb2a0698379f457047b69efba71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "716791e6ce2ce23b0b8ab4afffa8e67fa823ecb2a0698379f457047b69efba71", kill_on_drop: false }`
[INFO] [stdout] 716791e6ce2ce23b0b8ab4afffa8e67fa823ecb2a0698379f457047b69efba71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 6017bb68656e47adb5f7aeb4f46d53785277fe0bcbfaeb23ccef24d024bac297
[INFO] running `Command { std: "docker" "start" "-a" "6017bb68656e47adb5f7aeb4f46d53785277fe0bcbfaeb23ccef24d024bac297", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
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[INFO] [stderr]    Compiling maybe-uninit v2.0.0
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[INFO] [stderr]    Compiling byteorder v1.3.4
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[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling chunked_transfer v0.3.1
[INFO] [stderr]    Compiling termcolor v1.1.0
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[INFO] [stderr]    Compiling num-traits v0.2.11
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[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling image v0.23.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.12
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling tokio v0.2.13
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling pin-project v0.4.8
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling h2 v0.2.2
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling hyper v0.13.4
[INFO] [stderr]    Compiling mjpeg-proxy v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "6017bb68656e47adb5f7aeb4f46d53785277fe0bcbfaeb23ccef24d024bac297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6017bb68656e47adb5f7aeb4f46d53785277fe0bcbfaeb23ccef24d024bac297", kill_on_drop: false }`
[INFO] [stdout] 6017bb68656e47adb5f7aeb4f46d53785277fe0bcbfaeb23ccef24d024bac297
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 363fcd6906a76eee835f9a9b06cdde4cba3520f0e842cc0b42cee16b5e73d01e
[INFO] running `Command { std: "docker" "start" "-a" "363fcd6906a76eee835f9a9b06cdde4cba3520f0e842cc0b42cee16b5e73d01e", 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 mjpeg-proxy v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `scaler1`
[INFO] [stdout]   --> src/scaler.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let scaler1 = get_scaler(1).unwrap();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scaler1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.93s
[INFO] running `Command { std: "docker" "inspect" "363fcd6906a76eee835f9a9b06cdde4cba3520f0e842cc0b42cee16b5e73d01e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363fcd6906a76eee835f9a9b06cdde4cba3520f0e842cc0b42cee16b5e73d01e", kill_on_drop: false }`
[INFO] [stdout] 363fcd6906a76eee835f9a9b06cdde4cba3520f0e842cc0b42cee16b5e73d01e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 807c120125a07c7da591935f7c227667775512b52c24a72d0cc212fae5fe7bbd
[INFO] running `Command { std: "docker" "start" "-a" "807c120125a07c7da591935f7c227667775512b52c24a72d0cc212fae5fe7bbd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `scaler1`
[INFO] [stderr]   --> src/scaler.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let scaler1 = get_scaler(1).unwrap();
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scaler1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mjpeg-proxy` (bin "mjpeg-proxy" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 34.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mjpeg_proxy-e6d6018a435974f1)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test scaler::test_scalers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "807c120125a07c7da591935f7c227667775512b52c24a72d0cc212fae5fe7bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "807c120125a07c7da591935f7c227667775512b52c24a72d0cc212fae5fe7bbd", kill_on_drop: false }`
[INFO] [stdout] 807c120125a07c7da591935f7c227667775512b52c24a72d0cc212fae5fe7bbd