[INFO] cloning repository https://github.com/m-m-adams/sTrInGs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/m-m-adams/sTrInGs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-m-adams%2FsTrInGs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-m-adams%2FsTrInGs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a6be9ffc7b2533b1c6b2c8c7bbd36d150907c06
[INFO] building m-m-adams/sTrInGs against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-m-adams%2FsTrInGs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/m-m-adams/sTrInGs
[INFO] finished tweaking git repo https://github.com/m-m-adams/sTrInGs
[INFO] tweaked toml for git repo https://github.com/m-m-adams/sTrInGs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/m-m-adams/sTrInGs on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/m-m-adams/sTrInGs 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.4.18
[INFO] [stderr]   Downloaded heck v0.3.3
[INFO] [stderr]   Downloaded version_check v0.9.3
[INFO] [stderr]   Downloaded structopt v0.3.25
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.15
[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded getrandom v0.2.3
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.8.0
[INFO] [stderr]   Downloaded unicode-width v0.1.9
[INFO] [stderr]   Downloaded syn v1.0.82
[INFO] [stderr]   Downloaded rand v0.8.4
[INFO] [stderr]   Downloaded rand_core v0.6.3
[INFO] [stderr]   Downloaded rand_hc v0.3.1
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.32
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded libc v0.2.108
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fb1ffd237c97a428c895a291888ebd42ea00be89d7a55e066c1a1656c82e595
[INFO] running `Command { std: "docker" "start" "-a" "4fb1ffd237c97a428c895a291888ebd42ea00be89d7a55e066c1a1656c82e595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fb1ffd237c97a428c895a291888ebd42ea00be89d7a55e066c1a1656c82e595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fb1ffd237c97a428c895a291888ebd42ea00be89d7a55e066c1a1656c82e595", kill_on_drop: false }`
[INFO] [stdout] 4fb1ffd237c97a428c895a291888ebd42ea00be89d7a55e066c1a1656c82e595
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fc03ee2e8a158e4afaecd060dd06ee19941b51e0c5cacacb16992865131c1fc
[INFO] running `Command { std: "docker" "start" "-a" "9fc03ee2e8a158e4afaecd060dd06ee19941b51e0c5cacacb16992865131c1fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.25
[INFO] [stderr]    Compiling sTrInGs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.32s
[INFO] running `Command { std: "docker" "inspect" "9fc03ee2e8a158e4afaecd060dd06ee19941b51e0c5cacacb16992865131c1fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fc03ee2e8a158e4afaecd060dd06ee19941b51e0c5cacacb16992865131c1fc", kill_on_drop: false }`
[INFO] [stdout] 9fc03ee2e8a158e4afaecd060dd06ee19941b51e0c5cacacb16992865131c1fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0df43151f6b20056b6c7356d8703aba223c5f69c19f4e4844c54358bc8ecff9b
[INFO] running `Command { std: "docker" "start" "-a" "0df43151f6b20056b6c7356d8703aba223c5f69c19f4e4844c54358bc8ecff9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling sTrInGs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "0df43151f6b20056b6c7356d8703aba223c5f69c19f4e4844c54358bc8ecff9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0df43151f6b20056b6c7356d8703aba223c5f69c19f4e4844c54358bc8ecff9b", kill_on_drop: false }`
[INFO] [stdout] 0df43151f6b20056b6c7356d8703aba223c5f69c19f4e4844c54358bc8ecff9b