[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#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScottVaverchak%2Fcorerustils" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ScottVaverchak/corerustils on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-34/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" "+722e1797249a965b6335aebd65d777f917e498f1" "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-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 695286fc04485fe523e4fae9b66e40ab05efa88b4fc88e61ec3a120bc806b7f1
[INFO] running `Command { std: "docker" "start" "-a" "695286fc04485fe523e4fae9b66e40ab05efa88b4fc88e61ec3a120bc806b7f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "695286fc04485fe523e4fae9b66e40ab05efa88b4fc88e61ec3a120bc806b7f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "695286fc04485fe523e4fae9b66e40ab05efa88b4fc88e61ec3a120bc806b7f1", kill_on_drop: false }`
[INFO] [stdout] 695286fc04485fe523e4fae9b66e40ab05efa88b4fc88e61ec3a120bc806b7f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfaf5b57ae3b1e6c9f9305c93db53ae60464a7db9daf4bf5e661dcf255ab0106
[INFO] running `Command { std: "docker" "start" "-a" "cfaf5b57ae3b1e6c9f9305c93db53ae60464a7db9daf4bf5e661dcf255ab0106", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling head v0.1.0 (/opt/rustwide/workdir/head)
[INFO] [stderr]    Compiling yes v0.1.0 (/opt/rustwide/workdir/yes)
[INFO] [stderr]    Compiling cat v0.1.0 (/opt/rustwide/workdir/cat)
[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 24.37s
[INFO] running `Command { std: "docker" "inspect" "cfaf5b57ae3b1e6c9f9305c93db53ae60464a7db9daf4bf5e661dcf255ab0106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfaf5b57ae3b1e6c9f9305c93db53ae60464a7db9daf4bf5e661dcf255ab0106", kill_on_drop: false }`
[INFO] [stdout] cfaf5b57ae3b1e6c9f9305c93db53ae60464a7db9daf4bf5e661dcf255ab0106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a130f43e7e20347208a46a1553839edde5925552ba03fb6741d7a3a5c9343eaf
[INFO] running `Command { std: "docker" "start" "-a" "a130f43e7e20347208a46a1553839edde5925552ba03fb6741d7a3a5c9343eaf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling yes v0.1.0 (/opt/rustwide/workdir/yes)
[INFO] [stderr]    Compiling head v0.1.0 (/opt/rustwide/workdir/head)
[INFO] [stderr]    Compiling cat v0.1.0 (/opt/rustwide/workdir/cat)
[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 6.81s
[INFO] running `Command { std: "docker" "inspect" "a130f43e7e20347208a46a1553839edde5925552ba03fb6741d7a3a5c9343eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a130f43e7e20347208a46a1553839edde5925552ba03fb6741d7a3a5c9343eaf", kill_on_drop: false }`
[INFO] [stdout] a130f43e7e20347208a46a1553839edde5925552ba03fb6741d7a3a5c9343eaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 52217da5c1ad32fd245c0909f9ecf581b5504b2b05b4d321b4cd67cd48f078b7
[INFO] running `Command { std: "docker" "start" "-a" "52217da5c1ad32fd245c0909f9ecf581b5504b2b05b4d321b4cd67cd48f078b7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.68s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cat-c5df412aa1ba21d0)
[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/head-e9618ea8002f0169)
[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-0244f38312c7a676)
[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" "52217da5c1ad32fd245c0909f9ecf581b5504b2b05b4d321b4cd67cd48f078b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52217da5c1ad32fd245c0909f9ecf581b5504b2b05b4d321b4cd67cd48f078b7", kill_on_drop: false }`
[INFO] [stdout] 52217da5c1ad32fd245c0909f9ecf581b5504b2b05b4d321b4cd67cd48f078b7