[INFO] cloning repository https://github.com/psobolik/gopherlib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/psobolik/gopherlib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsobolik%2Fgopherlib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsobolik%2Fgopherlib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a2801eae77b869ac019464fbdeda115bab62ab8
[INFO] checking psobolik/gopherlib 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%2Fpsobolik%2Fgopherlib" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/psobolik/gopherlib
[INFO] finished tweaking git repo https://github.com/psobolik/gopherlib
[INFO] tweaked toml for git repo https://github.com/psobolik/gopherlib written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/psobolik/gopherlib 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/psobolik/gopherlib 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0ef1882cadf15aa5f7e00308328a9c4104d8f4c63307d18eddbfbe824216cf02
[INFO] running `Command { std: "docker" "start" "-a" "0ef1882cadf15aa5f7e00308328a9c4104d8f4c63307d18eddbfbe824216cf02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ef1882cadf15aa5f7e00308328a9c4104d8f4c63307d18eddbfbe824216cf02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ef1882cadf15aa5f7e00308328a9c4104d8f4c63307d18eddbfbe824216cf02", kill_on_drop: false }`
[INFO] [stdout] 0ef1882cadf15aa5f7e00308328a9c4104d8f4c63307d18eddbfbe824216cf02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d17917fba6e17f36c9fbe24dc2af5783b7f63fb51b6b8939ffc0b78c76b08d0c
[INFO] running `Command { std: "docker" "start" "-a" "d17917fba6e17f36c9fbe24dc2af5783b7f63fb51b6b8939ffc0b78c76b08d0c", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking gopherlib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `gopherlib` (lib test) due to 4 previous errors
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/model/directory.rs:21:37
[INFO] [stdout]    |
[INFO] [stdout] 21 |         Ok(self.set_items_from_text(String::from_utf8_lossy(&*bytes).parse()?))
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/model/directory.rs:21:37
[INFO] [stdout]    |
[INFO] [stdout] 21 |         Ok(self.set_items_from_text(String::from_utf8_lossy(&*bytes).parse()?))
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/model/document.rs:21:26
[INFO] [stdout]    |
[INFO] [stdout] 21 |         Ok(self.set_text(String::from_utf8_lossy(&*bytes).parse()?))
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/model/document.rs:21:26
[INFO] [stdout]    |
[INFO] [stdout] 21 |         Ok(self.set_text(String::from_utf8_lossy(&*bytes).parse()?))
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/model/directory.rs:21:37
[INFO] [stdout]    |
[INFO] [stdout] 21 |         Ok(self.set_items_from_text(String::from_utf8_lossy(&*bytes).parse()?))
[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<String, Infallible>
[INFO] [stdout]   --> src/model/directory.rs:21:37
[INFO] [stdout]    |
[INFO] [stdout] 21 |         Ok(self.set_items_from_text(String::from_utf8_lossy(&*bytes).parse()?))
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/model/document.rs:21:26
[INFO] [stdout]    |
[INFO] [stdout] 21 |         Ok(self.set_text(String::from_utf8_lossy(&*bytes).parse()?))
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/model/document.rs:21:26
[INFO] [stdout]    |
[INFO] [stdout] 21 |         Ok(self.set_text(String::from_utf8_lossy(&*bytes).parse()?))
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gopherlib` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "d17917fba6e17f36c9fbe24dc2af5783b7f63fb51b6b8939ffc0b78c76b08d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d17917fba6e17f36c9fbe24dc2af5783b7f63fb51b6b8939ffc0b78c76b08d0c", kill_on_drop: false }`
[INFO] [stdout] d17917fba6e17f36c9fbe24dc2af5783b7f63fb51b6b8939ffc0b78c76b08d0c