[INFO] cloning repository https://github.com/albizures/to
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/albizures/to" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falbizures%2Fto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falbizures%2Fto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d8d5ed09dab8019ac3d1cdd36f75f7639ebdccb
[INFO] testing albizures/to against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falbizures%2Fto" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/albizures/to on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/albizures/to
[INFO] finished tweaking git repo https://github.com/albizures/to
[INFO] tweaked toml for git repo https://github.com/albizures/to written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/albizures/to already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc602d10f9b85f0fc4f286f4e065c19b185a05203643caef41dc1b7c6db52dc0
[INFO] running `Command { std: "docker" "start" "-a" "dc602d10f9b85f0fc4f286f4e065c19b185a05203643caef41dc1b7c6db52dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc602d10f9b85f0fc4f286f4e065c19b185a05203643caef41dc1b7c6db52dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc602d10f9b85f0fc4f286f4e065c19b185a05203643caef41dc1b7c6db52dc0", kill_on_drop: false }`
[INFO] [stdout] dc602d10f9b85f0fc4f286f4e065c19b185a05203643caef41dc1b7c6db52dc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3789568091e1ad4d98c211541bb7332e38956de5876d6cb40bf2c4894b574a42
[INFO] running `Command { std: "docker" "start" "-a" "3789568091e1ad4d98c211541bb7332e38956de5876d6cb40bf2c4894b574a42", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling to v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let config = read_config()?;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | /     match opt {
[INFO] [stdout] 117 | |         Cli { interactive: true, .. } => go_to_interactive(),
[INFO] [stdout] 118 | |         Cli { list: true, .. } => to_list(),
[INFO] [stdout] 119 | |         Cli { save: true, alias: Some(alias), .. } => save_alias(alias),
[INFO] [stdout] 120 | |         Cli { save: false, alias: Some(alias), .. } => go_to(alias),
[INFO] [stdout] 121 | |         Cli { alias: None, .. } => panic!("alias is needed"),
[INFO] [stdout] 122 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.63s
[INFO] running `Command { std: "docker" "inspect" "3789568091e1ad4d98c211541bb7332e38956de5876d6cb40bf2c4894b574a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3789568091e1ad4d98c211541bb7332e38956de5876d6cb40bf2c4894b574a42", kill_on_drop: false }`
[INFO] [stdout] 3789568091e1ad4d98c211541bb7332e38956de5876d6cb40bf2c4894b574a42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c35a3b0f60aacf521e7e97b295391388f1be17e6cf41de70f06d5518dca588ff
[INFO] running `Command { std: "docker" "start" "-a" "c35a3b0f60aacf521e7e97b295391388f1be17e6cf41de70f06d5518dca588ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling to v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let config = read_config()?;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | /     match opt {
[INFO] [stdout] 117 | |         Cli { interactive: true, .. } => go_to_interactive(),
[INFO] [stdout] 118 | |         Cli { list: true, .. } => to_list(),
[INFO] [stdout] 119 | |         Cli { save: true, alias: Some(alias), .. } => save_alias(alias),
[INFO] [stdout] 120 | |         Cli { save: false, alias: Some(alias), .. } => go_to(alias),
[INFO] [stdout] 121 | |         Cli { alias: None, .. } => panic!("alias is needed"),
[INFO] [stdout] 122 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "c35a3b0f60aacf521e7e97b295391388f1be17e6cf41de70f06d5518dca588ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c35a3b0f60aacf521e7e97b295391388f1be17e6cf41de70f06d5518dca588ff", kill_on_drop: false }`
[INFO] [stdout] c35a3b0f60aacf521e7e97b295391388f1be17e6cf41de70f06d5518dca588ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a789e8347d2ef366c669dc33ce6a57059c5102c51f439e872cf11835ac841f68
[INFO] running `Command { std: "docker" "start" "-a" "a789e8347d2ef366c669dc33ce6a57059c5102c51f439e872cf11835ac841f68", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:98:9
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 98 |     let config = read_config()?;
[INFO] [stdout] 
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 | /     match opt {
[INFO] [stderr] 117 | |         Cli { interactive: true, .. } => go_to_interactive(),
[INFO] [stderr] 118 | |         Cli { list: true, .. } => to_list(),
[INFO] [stderr] 119 | |         Cli { save: true, alias: Some(alias), .. } => save_alias(alias),
[INFO] [stderr] 120 | |         Cli { save: false, alias: Some(alias), .. } => go_to(alias),
[INFO] [stderr] 121 | |         Cli { alias: None, .. } => panic!("alias is needed"),
[INFO] [stderr] 122 | |     };
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/to-9411ce88710b5599)
[INFO] running `Command { std: "docker" "inspect" "a789e8347d2ef366c669dc33ce6a57059c5102c51f439e872cf11835ac841f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a789e8347d2ef366c669dc33ce6a57059c5102c51f439e872cf11835ac841f68", kill_on_drop: false }`
[INFO] [stdout] a789e8347d2ef366c669dc33ce6a57059c5102c51f439e872cf11835ac841f68