[INFO] cloning repository https://github.com/mrnugget/strange-subshell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrnugget/strange-subshell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrnugget%2Fstrange-subshell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrnugget%2Fstrange-subshell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67ebf73a097e6c20d636f9ef4c85865da8dbf65a
[INFO] checking mrnugget/strange-subshell against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrnugget%2Fstrange-subshell" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrnugget/strange-subshell 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/mrnugget/strange-subshell
[INFO] finished tweaking git repo https://github.com/mrnugget/strange-subshell
[INFO] tweaked toml for git repo https://github.com/mrnugget/strange-subshell written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mrnugget/strange-subshell 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 50c26e395b6984f5ea5e3a5864a43561884530b2fd055fd0b11c9741e2607e74
[INFO] running `Command { std: "docker" "start" "-a" "50c26e395b6984f5ea5e3a5864a43561884530b2fd055fd0b11c9741e2607e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50c26e395b6984f5ea5e3a5864a43561884530b2fd055fd0b11c9741e2607e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50c26e395b6984f5ea5e3a5864a43561884530b2fd055fd0b11c9741e2607e74", kill_on_drop: false }`
[INFO] [stdout] 50c26e395b6984f5ea5e3a5864a43561884530b2fd055fd0b11c9741e2607e74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fdc78a7fe5e136973a6a755ed8d31a6bf072320a8851a13ee1411d79067bcfa4
[INFO] running `Command { std: "docker" "start" "-a" "fdc78a7fe5e136973a6a755ed8d31a6bf072320a8851a13ee1411d79067bcfa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking ctrlc v3.4.2
[INFO] [stderr]     Checking strange-subshell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `load_shell_environment` is never used
[INFO] [stdout]  --> src/shell_env.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn load_shell_environment(dir: &Path) -> Result<HashMap<String, String>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_shell_environment` is never used
[INFO] [stdout]  --> src/shell_env.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn load_shell_environment(dir: &Path) -> Result<HashMap<String, String>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `Command { std: "docker" "inspect" "fdc78a7fe5e136973a6a755ed8d31a6bf072320a8851a13ee1411d79067bcfa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc78a7fe5e136973a6a755ed8d31a6bf072320a8851a13ee1411d79067bcfa4", kill_on_drop: false }`
[INFO] [stdout] fdc78a7fe5e136973a6a755ed8d31a6bf072320a8851a13ee1411d79067bcfa4
[INFO] checking mrnugget/strange-subshell against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrnugget%2Fstrange-subshell" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrnugget/strange-subshell on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mrnugget/strange-subshell
[INFO] finished tweaking git repo https://github.com/mrnugget/strange-subshell
[INFO] tweaked toml for git repo https://github.com/mrnugget/strange-subshell written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mrnugget/strange-subshell 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cc991df0f12fc8a8405062a642b4d57787de17a65329e775cff05a8100cc126
[INFO] running `Command { std: "docker" "start" "-a" "3cc991df0f12fc8a8405062a642b4d57787de17a65329e775cff05a8100cc126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cc991df0f12fc8a8405062a642b4d57787de17a65329e775cff05a8100cc126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cc991df0f12fc8a8405062a642b4d57787de17a65329e775cff05a8100cc126", kill_on_drop: false }`
[INFO] [stdout] 3cc991df0f12fc8a8405062a642b4d57787de17a65329e775cff05a8100cc126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6c0bab050f1605dedc3559b46477600a88f327eeb971caf444f9284438b4f6f
[INFO] running `Command { std: "docker" "start" "-a" "f6c0bab050f1605dedc3559b46477600a88f327eeb971caf444f9284438b4f6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking ctrlc v3.4.2
[INFO] [stderr]     Checking strange-subshell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `load_shell_environment` is never used
[INFO] [stdout]  --> src/shell_env.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn load_shell_environment(dir: &Path) -> Result<HashMap<String, String>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_shell_environment` is never used
[INFO] [stdout]  --> src/shell_env.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn load_shell_environment(dir: &Path) -> Result<HashMap<String, String>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.00s
[INFO] running `Command { std: "docker" "inspect" "f6c0bab050f1605dedc3559b46477600a88f327eeb971caf444f9284438b4f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c0bab050f1605dedc3559b46477600a88f327eeb971caf444f9284438b4f6f", kill_on_drop: false }`
[INFO] [stdout] f6c0bab050f1605dedc3559b46477600a88f327eeb971caf444f9284438b4f6f