[INFO] cloning repository https://github.com/tecywiz121/cp77-keys
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tecywiz121/cp77-keys" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftecywiz121%2Fcp77-keys", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftecywiz121%2Fcp77-keys'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab45bfa8393df3e84a3340fea8e2b5d4aaae4322
[INFO] checking tecywiz121/cp77-keys against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftecywiz121%2Fcp77-keys" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tecywiz121/cp77-keys
[INFO] finished tweaking git repo https://github.com/tecywiz121/cp77-keys
[INFO] tweaked toml for git repo https://github.com/tecywiz121/cp77-keys written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tecywiz121/cp77-keys on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tecywiz121/cp77-keys 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6a79441f84dd140ce09fa3d4b6e8905355287c1950b33bb5a23252a6e3c4af9
[INFO] running `Command { std: "docker" "start" "-a" "b6a79441f84dd140ce09fa3d4b6e8905355287c1950b33bb5a23252a6e3c4af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6a79441f84dd140ce09fa3d4b6e8905355287c1950b33bb5a23252a6e3c4af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a79441f84dd140ce09fa3d4b6e8905355287c1950b33bb5a23252a6e3c4af9", kill_on_drop: false }`
[INFO] [stdout] b6a79441f84dd140ce09fa3d4b6e8905355287c1950b33bb5a23252a6e3c4af9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0339eb4d0839799363aa2f057431790798aafd5602b3ab74e194fa8c1831d0a
[INFO] running `Command { std: "docker" "start" "-a" "e0339eb4d0839799363aa2f057431790798aafd5602b3ab74e194fa8c1831d0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking cp77-keys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> src/opt.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub remap: PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> src/opt.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | /     #[structopt(short = "u", long = "input-user-mappings")]
[INFO] [stdout] 9 | |     pub user_mapping: Option<PathBuf>,
[INFO] [stdout]   | |_____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cp77-keys` (bin "cp77-keys") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> src/opt.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub remap: PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> src/opt.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | /     #[structopt(short = "u", long = "input-user-mappings")]
[INFO] [stdout] 9 | |     pub user_mapping: Option<PathBuf>,
[INFO] [stdout]   | |_____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cp77-keys` (bin "cp77-keys" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e0339eb4d0839799363aa2f057431790798aafd5602b3ab74e194fa8c1831d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0339eb4d0839799363aa2f057431790798aafd5602b3ab74e194fa8c1831d0a", kill_on_drop: false }`
[INFO] [stdout] e0339eb4d0839799363aa2f057431790798aafd5602b3ab74e194fa8c1831d0a