[INFO] cloning repository https://github.com/sammysheep/itoa-feedback
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sammysheep/itoa-feedback" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammysheep%2Fitoa-feedback", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammysheep%2Fitoa-feedback'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 237815d02b2acb2229892c05c2d2a7d49a57dd56
[INFO] checking sammysheep/itoa-feedback against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammysheep%2Fitoa-feedback" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sammysheep/itoa-feedback
[INFO] finished tweaking git repo https://github.com/sammysheep/itoa-feedback
[INFO] tweaked toml for git repo https://github.com/sammysheep/itoa-feedback written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sammysheep/itoa-feedback on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sammysheep/itoa-feedback already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f11bad7d9c01ae73ba06f3c876b5d8e3f55a6a13ccc6c458eef52c03d1ca9ef3
[INFO] running `Command { std: "docker" "start" "-a" "f11bad7d9c01ae73ba06f3c876b5d8e3f55a6a13ccc6c458eef52c03d1ca9ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f11bad7d9c01ae73ba06f3c876b5d8e3f55a6a13ccc6c458eef52c03d1ca9ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f11bad7d9c01ae73ba06f3c876b5d8e3f55a6a13ccc6c458eef52c03d1ca9ef3", kill_on_drop: false }`
[INFO] [stdout] f11bad7d9c01ae73ba06f3c876b5d8e3f55a6a13ccc6c458eef52c03d1ca9ef3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b03f7c1c332bb188f3bfc147dc652cd6d2e53108c556db0b4909df2efd6046df
[INFO] running `Command { std: "docker" "start" "-a" "b03f7c1c332bb188f3bfc147dc652cd6d2e53108c556db0b4909df2efd6046df", kill_on_drop: false }`
[INFO] [stderr]     Checking itoa-feedback v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: feature `test` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test, int_format_into)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `int_format_into` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test, int_format_into)]
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "b03f7c1c332bb188f3bfc147dc652cd6d2e53108c556db0b4909df2efd6046df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b03f7c1c332bb188f3bfc147dc652cd6d2e53108c556db0b4909df2efd6046df", kill_on_drop: false }`
[INFO] [stdout] b03f7c1c332bb188f3bfc147dc652cd6d2e53108c556db0b4909df2efd6046df
