[INFO] cloning repository https://github.com/ludovic-muller/semver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ludovic-muller/semver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fludovic-muller%2Fsemver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fludovic-muller%2Fsemver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38caeeecd32fd020379c53b9a0eab68276c5cfcc
[INFO] checking ludovic-muller/semver 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%2Fludovic-muller%2Fsemver" "/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/ludovic-muller/semver
[INFO] finished tweaking git repo https://github.com/ludovic-muller/semver
[INFO] tweaked toml for git repo https://github.com/ludovic-muller/semver written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ludovic-muller/semver 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/ludovic-muller/semver 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] 915128c84e8878efc4626b45646c04e146c5881ea39e042649a9e0f307e3a559
[INFO] running `Command { std: "docker" "start" "-a" "915128c84e8878efc4626b45646c04e146c5881ea39e042649a9e0f307e3a559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "915128c84e8878efc4626b45646c04e146c5881ea39e042649a9e0f307e3a559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "915128c84e8878efc4626b45646c04e146c5881ea39e042649a9e0f307e3a559", kill_on_drop: false }`
[INFO] [stdout] 915128c84e8878efc4626b45646c04e146c5881ea39e042649a9e0f307e3a559
[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] 092ef46b826987a1b109b34f452d7fc9592a29e76e4b0830516d7e04ebf0f822
[INFO] running `Command { std: "docker" "start" "-a" "092ef46b826987a1b109b34f452d7fc9592a29e76e4b0830516d7e04ebf0f822", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking os_str_bytes v4.2.0
[INFO] [stderr]     Checking semver v0.1.0 (/opt/rustwide/workdir/semver)
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.5
[INFO] [stderr]     Checking clap v3.0.0-beta.5
[INFO] [stderr]     Checking semver-cli v0.1.0 (/opt/rustwide/workdir/semver-cli)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> semver-cli/src/cmd.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     /// Use a custom prefix
[INFO] [stdout] 13 | |     #[clap(short, long, default_value = "")]
[INFO] [stdout] 14 | |     pub prefix: String,
[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]   --> semver-cli/src/cmd.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     /// Use a custom prefix
[INFO] [stdout] 13 | |     #[clap(short, long, default_value = "")]
[INFO] [stdout] 14 | |     pub prefix: String,
[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]   --> semver-cli/src/cmd.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | /     /// Version to be parsed
[INFO] [stdout] 21 | |     pub version: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> semver-cli/src/cmd.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | /     /// Version to be parsed
[INFO] [stdout] 21 | |     pub version: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `semver-cli` (bin "semver-cli" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `semver-cli` (bin "semver-cli") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "092ef46b826987a1b109b34f452d7fc9592a29e76e4b0830516d7e04ebf0f822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "092ef46b826987a1b109b34f452d7fc9592a29e76e4b0830516d7e04ebf0f822", kill_on_drop: false }`
[INFO] [stdout] 092ef46b826987a1b109b34f452d7fc9592a29e76e4b0830516d7e04ebf0f822