[INFO] cloning repository https://github.com/tipsypastels/cowlang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tipsypastels/cowlang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftipsypastels%2Fcowlang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftipsypastels%2Fcowlang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d521bb86097520c0ae40c655d9054485f9758190
[INFO] checking tipsypastels/cowlang 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%2Ftipsypastels%2Fcowlang" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tipsypastels/cowlang
[INFO] finished tweaking git repo https://github.com/tipsypastels/cowlang
[INFO] tweaked toml for git repo https://github.com/tipsypastels/cowlang written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tipsypastels/cowlang 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/tipsypastels/cowlang 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 57e86dc2f938ab04ccc4405999432656cd0a924b137389c55601c1fee6da10b4
[INFO] running `Command { std: "docker" "start" "-a" "57e86dc2f938ab04ccc4405999432656cd0a924b137389c55601c1fee6da10b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57e86dc2f938ab04ccc4405999432656cd0a924b137389c55601c1fee6da10b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e86dc2f938ab04ccc4405999432656cd0a924b137389c55601c1fee6da10b4", kill_on_drop: false }`
[INFO] [stdout] 57e86dc2f938ab04ccc4405999432656cd0a924b137389c55601c1fee6da10b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c368c83604ed6cc2c7416ac44825c4c07b9a80b091b6f146d24a8a2581dc461e
[INFO] running `Command { std: "docker" "start" "-a" "c368c83604ed6cc2c7416ac44825c4c07b9a80b091b6f146d24a8a2581dc461e", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling instability v0.3.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking castaway v0.2.4
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]     Checking compact_str v0.8.1
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking unicode-truncate v1.1.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking lru v0.12.5
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking anstream v0.6.20
[INFO] [stderr]     Checking cowlang v0.1.0 (/opt/rustwide/workdir/cowlang)
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stdout] error: this type will no longer be must used: Result<Program<'_>, Infallible>
[INFO] [stdout]   --> cowlang/src/command.rs:85:53
[INFO] [stdout]    |
[INFO] [stdout] 85 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 86 | |         Ok(Program::parse(s))
[INFO] [stdout] 87 | |     }
[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<Program<'_>, Infallible>
[INFO] [stdout]   --> cowlang/src/command.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         Ok(Program::parse(s))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cowlang` (lib) 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<Program<'_>, Infallible>
[INFO] [stdout]   --> cowlang/src/command.rs:85:53
[INFO] [stdout]    |
[INFO] [stdout] 85 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 86 | |         Ok(Program::parse(s))
[INFO] [stdout] 87 | |     }
[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<Program<'_>, Infallible>
[INFO] [stdout]   --> cowlang/src/command.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         Ok(Program::parse(s))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cowlang` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c368c83604ed6cc2c7416ac44825c4c07b9a80b091b6f146d24a8a2581dc461e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c368c83604ed6cc2c7416ac44825c4c07b9a80b091b6f146d24a8a2581dc461e", kill_on_drop: false }`
[INFO] [stdout] c368c83604ed6cc2c7416ac44825c4c07b9a80b091b6f146d24a8a2581dc461e
