[INFO] cloning repository https://github.com/intephom/lc3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/intephom/lc3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintephom%2Flc3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintephom%2Flc3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a8cb4d9587b2d136a2d44764dc5e6cabc721c29
[INFO] testing intephom/lc3 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintephom%2Flc3" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/intephom/lc3 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/intephom/lc3
[INFO] finished tweaking git repo https://github.com/intephom/lc3
[INFO] tweaked toml for git repo https://github.com/intephom/lc3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/intephom/lc3 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 874f4a6da09e7d5c5de78c15dbf1e9e8664cf0e7fa48c6ce1803498c9abc9e5f
[INFO] running `Command { std: "docker" "start" "-a" "874f4a6da09e7d5c5de78c15dbf1e9e8664cf0e7fa48c6ce1803498c9abc9e5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "874f4a6da09e7d5c5de78c15dbf1e9e8664cf0e7fa48c6ce1803498c9abc9e5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "874f4a6da09e7d5c5de78c15dbf1e9e8664cf0e7fa48c6ce1803498c9abc9e5f", kill_on_drop: false }`
[INFO] [stdout] 874f4a6da09e7d5c5de78c15dbf1e9e8664cf0e7fa48c6ce1803498c9abc9e5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1003c7ec792ea501defe7121b46c3b0ee99539851bcece8150f0ea6d4c114f94
[INFO] running `Command { std: "docker" "start" "-a" "1003c7ec792ea501defe7121b46c3b0ee99539851bcece8150f0ea6d4c114f94", kill_on_drop: false }`
[INFO] [stderr]    Compiling lc3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Nop`
[INFO] [stdout]  --> src/ops.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Nop,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "1003c7ec792ea501defe7121b46c3b0ee99539851bcece8150f0ea6d4c114f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1003c7ec792ea501defe7121b46c3b0ee99539851bcece8150f0ea6d4c114f94", kill_on_drop: false }`
[INFO] [stdout] 1003c7ec792ea501defe7121b46c3b0ee99539851bcece8150f0ea6d4c114f94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] dfc2896994f4f4aa9ae1843cce463349f669b0451b9ca99058634bc4557bf0f5
[INFO] running `Command { std: "docker" "start" "-a" "dfc2896994f4f4aa9ae1843cce463349f669b0451b9ca99058634bc4557bf0f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lc3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Nop`
[INFO] [stdout]  --> src/ops.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Nop,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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 1.37s
[INFO] running `Command { std: "docker" "inspect" "dfc2896994f4f4aa9ae1843cce463349f669b0451b9ca99058634bc4557bf0f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc2896994f4f4aa9ae1843cce463349f669b0451b9ca99058634bc4557bf0f5", kill_on_drop: false }`
[INFO] [stdout] dfc2896994f4f4aa9ae1843cce463349f669b0451b9ca99058634bc4557bf0f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] e4584629bc5d3b36ebd035ae507b2a10cbadaa9456e2ad325206fb8e2ec7b84c
[INFO] running `Command { std: "docker" "start" "-a" "e4584629bc5d3b36ebd035ae507b2a10cbadaa9456e2ad325206fb8e2ec7b84c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variant is never constructed: `Nop`
[INFO] [stderr]  --> src/ops.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Nop,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lc3` (bin "lc3" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lc3-22c28eba27cb2164)
[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" "e4584629bc5d3b36ebd035ae507b2a10cbadaa9456e2ad325206fb8e2ec7b84c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4584629bc5d3b36ebd035ae507b2a10cbadaa9456e2ad325206fb8e2ec7b84c", kill_on_drop: false }`
[INFO] [stdout] e4584629bc5d3b36ebd035ae507b2a10cbadaa9456e2ad325206fb8e2ec7b84c