[INFO] cloning repository https://github.com/foxycorps/stack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/foxycorps/stack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoxycorps%2Fstack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoxycorps%2Fstack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66284f8258f8636b4fb8c279d9136737f6aab639
[INFO] checking foxycorps/stack against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoxycorps%2Fstack" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/foxycorps/stack on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/foxycorps/stack
[INFO] finished tweaking git repo https://github.com/foxycorps/stack
[INFO] tweaked toml for git repo https://github.com/foxycorps/stack written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/foxycorps/stack 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded keyring v2.3.2
[INFO] [stderr]   Downloaded rustls-pki-types v1.3.1
[INFO] [stderr]   Downloaded hyper-timeout v0.5.1
[INFO] [stderr]   Downloaded linux-keyutils v0.2.4
[INFO] [stderr]   Downloaded snafu-derive v0.8.2
[INFO] [stderr]   Downloaded backtrace v0.3.70
[INFO] [stderr]   Downloaded snafu v0.8.2
[INFO] [stderr]   Downloaded octocrab v0.36.0
[INFO] [stderr]   Downloaded reqwest v0.12.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e28bfd98a4e15d4e72b480f9c8198f4ef2ccbc8e8a60343393f6ab4950f7972
[INFO] running `Command { std: "docker" "start" "-a" "5e28bfd98a4e15d4e72b480f9c8198f4ef2ccbc8e8a60343393f6ab4950f7972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e28bfd98a4e15d4e72b480f9c8198f4ef2ccbc8e8a60343393f6ab4950f7972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e28bfd98a4e15d4e72b480f9c8198f4ef2ccbc8e8a60343393f6ab4950f7972", kill_on_drop: false }`
[INFO] [stdout] 5e28bfd98a4e15d4e72b480f9c8198f4ef2ccbc8e8a60343393f6ab4950f7972
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abdf0fc44caa5dd9fab96142ff2ff7e6ea0e4095a9d6b41101940d56b93c4496
[INFO] running `Command { std: "docker" "start" "-a" "abdf0fc44caa5dd9fab96142ff2ff7e6ea0e4095a9d6b41101940d56b93c4496", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_derive v1.0.197
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[INFO] [stderr]    Compiling tokio-macros v2.2.0
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[INFO] [stderr]     Checking tokio v1.36.0
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[INFO] [stderr]    Compiling serde_repr v0.1.18
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[INFO] [stderr]     Checking secret-service v3.0.1
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[INFO] [stderr]     Checking stack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Repository`
[INFO] [stdout]  --> src/cmd/start.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use git2::{Repository};
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `has_pending_changes`
[INFO] [stdout]  --> src/cmd/commit.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::utils::git_utils::{open_repo, has_pending_changes, commit_changes};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Repository`
[INFO] [stdout]  --> src/cmd/start.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use git2::{Repository};
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `has_pending_changes`
[INFO] [stdout]  --> src/cmd/commit.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::utils::git_utils::{open_repo, has_pending_changes, commit_changes};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cmd/add.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     checkout_branch(&repo, &new_branch_name);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let _ = checkout_branch(&repo, &new_branch_name);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cmd/add.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     checkout_branch(&repo, &new_branch_name);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let _ = checkout_branch(&repo, &new_branch_name);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `Command { std: "docker" "inspect" "abdf0fc44caa5dd9fab96142ff2ff7e6ea0e4095a9d6b41101940d56b93c4496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abdf0fc44caa5dd9fab96142ff2ff7e6ea0e4095a9d6b41101940d56b93c4496", kill_on_drop: false }`
[INFO] [stdout] abdf0fc44caa5dd9fab96142ff2ff7e6ea0e4095a9d6b41101940d56b93c4496