[INFO] cloning repository https://github.com/ScottVaverchak/corerustils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ScottVaverchak/corerustils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScottVaverchak%2Fcorerustils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScottVaverchak%2Fcorerustils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29d240b63cd7d227910a2092cc6b402ec48ea099
[INFO] testing ScottVaverchak/corerustils against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScottVaverchak%2Fcorerustils" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ScottVaverchak/corerustils on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ScottVaverchak/corerustils
[INFO] finished tweaking git repo https://github.com/ScottVaverchak/corerustils
[INFO] tweaked toml for git repo https://github.com/ScottVaverchak/corerustils written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/ScottVaverchak/corerustils already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d7bceb9f68a088989dbbd7233b00e83245d35e7a3214e744da35ccc8f4f1f97
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9d7bceb9f68a088989dbbd7233b00e83245d35e7a3214e744da35ccc8f4f1f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d7bceb9f68a088989dbbd7233b00e83245d35e7a3214e744da35ccc8f4f1f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d7bceb9f68a088989dbbd7233b00e83245d35e7a3214e744da35ccc8f4f1f97", kill_on_drop: false }`
[INFO] [stdout] 9d7bceb9f68a088989dbbd7233b00e83245d35e7a3214e744da35ccc8f4f1f97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c308718a389303d16840392cf61cdbd42393a900b49802d7be599773ee1c818c
[INFO] running `Command { std: "docker" "start" "-a" "c308718a389303d16840392cf61cdbd42393a900b49802d7be599773ee1c818c", kill_on_drop: false }`
[INFO] [stderr]    Compiling yes v0.1.0 (/opt/rustwide/workdir/yes)
[INFO] [stderr]    Compiling cat v0.1.0 (/opt/rustwide/workdir/cat)
[INFO] [stderr]    Compiling head v0.1.0 (/opt/rustwide/workdir/head)
[INFO] [stdout] warning: struct is never constructed: `Arguments`
[INFO] [stdout]  --> head/src/main.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Arguments {
[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 1.95s
[INFO] running `Command { std: "docker" "inspect" "c308718a389303d16840392cf61cdbd42393a900b49802d7be599773ee1c818c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c308718a389303d16840392cf61cdbd42393a900b49802d7be599773ee1c818c", kill_on_drop: false }`
[INFO] [stdout] c308718a389303d16840392cf61cdbd42393a900b49802d7be599773ee1c818c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9634970bbeac69d95c0eb46e71c221ef06274b5363799375891b0d87d93fa83
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e9634970bbeac69d95c0eb46e71c221ef06274b5363799375891b0d87d93fa83", kill_on_drop: false }`
[INFO] [stderr]    Compiling cat v0.1.0 (/opt/rustwide/workdir/cat)
[INFO] [stderr]    Compiling yes v0.1.0 (/opt/rustwide/workdir/yes)
[INFO] [stderr]    Compiling head v0.1.0 (/opt/rustwide/workdir/head)
[INFO] [stdout] warning: struct is never constructed: `Arguments`
[INFO] [stdout]  --> head/src/main.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Arguments {
[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 1.65s
[INFO] running `Command { std: "docker" "inspect" "e9634970bbeac69d95c0eb46e71c221ef06274b5363799375891b0d87d93fa83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9634970bbeac69d95c0eb46e71c221ef06274b5363799375891b0d87d93fa83", kill_on_drop: false }`
[INFO] [stdout] e9634970bbeac69d95c0eb46e71c221ef06274b5363799375891b0d87d93fa83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e192c728788d3f69b0419d1e3e75a67e84370992239989392fdaf721e26e0137
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e192c728788d3f69b0419d1e3e75a67e84370992239989392fdaf721e26e0137", kill_on_drop: false }`
[INFO] [stderr] warning: struct is never constructed: `Arguments`
[INFO] [stderr]  --> head/src/main.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Arguments {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `head` (bin "head" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cat-be3448f8f0f43404)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/head-ba37e617e147dca7)
[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] [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]      Running unittests (/opt/rustwide/target/debug/deps/yes-b3a9845c7806e564)
[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" "e192c728788d3f69b0419d1e3e75a67e84370992239989392fdaf721e26e0137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e192c728788d3f69b0419d1e3e75a67e84370992239989392fdaf721e26e0137", kill_on_drop: false }`
[INFO] [stdout] e192c728788d3f69b0419d1e3e75a67e84370992239989392fdaf721e26e0137