[INFO] cloning repository https://github.com/tcrammond/egghead-rust-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tcrammond/egghead-rust-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcrammond%2Fegghead-rust-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcrammond%2Fegghead-rust-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3947fe1c88bb77dc24606908e7c64b608e5c159
[INFO] checking tcrammond/egghead-rust-cli against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcrammond%2Fegghead-rust-cli" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tcrammond/egghead-rust-cli
[INFO] finished tweaking git repo https://github.com/tcrammond/egghead-rust-cli
[INFO] tweaked toml for git repo https://github.com/tcrammond/egghead-rust-cli written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tcrammond/egghead-rust-cli on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tcrammond/egghead-rust-cli 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded edit v0.1.3
[INFO] [stderr]   Downloaded rprompt v1.0.5
[INFO] [stderr]   Downloaded eyre v0.6.6
[INFO] [stderr]   Downloaded owo-colors v3.2.0
[INFO] [stderr]   Downloaded assert_fs v1.0.7
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.7
[INFO] [stderr]   Downloaded color-eyre v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6204f1ffd8abc77044693328abc3c98bb3240ac0a27e90289a767d4f9f0bde9
[INFO] running `Command { std: "docker" "start" "-a" "c6204f1ffd8abc77044693328abc3c98bb3240ac0a27e90289a767d4f9f0bde9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6204f1ffd8abc77044693328abc3c98bb3240ac0a27e90289a767d4f9f0bde9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6204f1ffd8abc77044693328abc3c98bb3240ac0a27e90289a767d4f9f0bde9", kill_on_drop: false }`
[INFO] [stdout] c6204f1ffd8abc77044693328abc3c98bb3240ac0a27e90289a767d4f9f0bde9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88e682014dd195c6581ae6736bd7f65bf61ce2bb7f1b309530d651a2702e3b82
[INFO] running `Command { std: "docker" "start" "-a" "88e682014dd195c6581ae6736bd7f65bf61ce2bb7f1b309530d651a2702e3b82", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.7
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]    Compiling eyre v0.6.6
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]     Checking owo-colors v3.2.0
[INFO] [stderr]     Checking predicates v2.1.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking which v4.2.5
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking edit v0.1.3
[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking rprompt v1.0.5
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking assert_fs v1.0.7
[INFO] [stderr]     Checking assert_cmd v2.0.4
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking color-eyre v0.6.0
[INFO] [stderr]     Checking digital-garden v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             fs::rename(&filepath, &dest_path);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let _ = fs::rename(&filepath, &dest_path);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             fs::rename(&filepath, &dest_path);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let _ = fs::rename(&filepath, &dest_path);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.90s
[INFO] running `Command { std: "docker" "inspect" "88e682014dd195c6581ae6736bd7f65bf61ce2bb7f1b309530d651a2702e3b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88e682014dd195c6581ae6736bd7f65bf61ce2bb7f1b309530d651a2702e3b82", kill_on_drop: false }`
[INFO] [stdout] 88e682014dd195c6581ae6736bd7f65bf61ce2bb7f1b309530d651a2702e3b82