[INFO] cloning repository https://github.com/clbarnes/recursum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clbarnes/recursum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclbarnes%2Frecursum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclbarnes%2Frecursum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e464cd877953b8d1ebe3eab13763da7572f75f1b
[INFO] checking clbarnes/recursum 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%2Fclbarnes%2Frecursum" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/clbarnes/recursum
[INFO] finished tweaking git repo https://github.com/clbarnes/recursum
[INFO] tweaked toml for git repo https://github.com/clbarnes/recursum written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/clbarnes/recursum 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/clbarnes/recursum 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a7ea33b5faa73a38a14271e26cb6683479e368f5f217f20d16e28a5c40707f41
[INFO] running `Command { std: "docker" "start" "-a" "a7ea33b5faa73a38a14271e26cb6683479e368f5f217f20d16e28a5c40707f41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7ea33b5faa73a38a14271e26cb6683479e368f5f217f20d16e28a5c40707f41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ea33b5faa73a38a14271e26cb6683479e368f5f217f20d16e28a5c40707f41", kill_on_drop: false }`
[INFO] [stdout] a7ea33b5faa73a38a14271e26cb6683479e368f5f217f20d16e28a5c40707f41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3fd8e340694cddf357ee46987238ff6e8dd8deb3f93d8f494c311d8a5b23aac4
[INFO] running `Command { std: "docker" "start" "-a" "3fd8e340694cddf357ee46987238ff6e8dd8deb3f93d8f494c311d8a5b23aac4", kill_on_drop: false }`
[INFO] [stderr] warning: recursum v0.4.0 (/opt/rustwide/workdir) ignoring invalid dependency `cargo-release` which is missing a lib target
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling generic-array v0.14.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling meowhash v0.3.0
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking jwalk v0.5.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking recursum v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]    --> src/main.rs:247:5
[INFO] [stdout]     |
[INFO] [stdout] 247 | /     /// One or more file names, one directory name (every file recursively will be hashed, in depth first order), or '-' for getting list...
[INFO] [stdout] 248 | |     #[structopt(required = true)]
[INFO] [stdout] 249 | |     input: Vec<OsString>,
[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/main.rs:262:5
[INFO] [stdout]     |
[INFO] [stdout] 262 | /     /// Separator. Defaults to tab unless --compatible is given. Use "\t" for tab and "\0" for null (cannot be mixed with other characters).
[INFO] [stdout] 263 | |     #[structopt(short = "s", long = "separator")]
[INFO] [stdout] 264 | |     separator: Option<String>,
[INFO] [stdout]     | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `recursum` (bin "recursum" test) 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<OsString, Infallible>
[INFO] [stdout]    --> src/main.rs:247:5
[INFO] [stdout]     |
[INFO] [stdout] 247 | /     /// One or more file names, one directory name (every file recursively will be hashed, in depth first order), or '-' for getting list...
[INFO] [stdout] 248 | |     #[structopt(required = true)]
[INFO] [stdout] 249 | |     input: Vec<OsString>,
[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/main.rs:262:5
[INFO] [stdout]     |
[INFO] [stdout] 262 | /     /// Separator. Defaults to tab unless --compatible is given. Use "\t" for tab and "\0" for null (cannot be mixed with other characters).
[INFO] [stdout] 263 | |     #[structopt(short = "s", long = "separator")]
[INFO] [stdout] 264 | |     separator: Option<String>,
[INFO] [stdout]     | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `recursum` (bin "recursum") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3fd8e340694cddf357ee46987238ff6e8dd8deb3f93d8f494c311d8a5b23aac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd8e340694cddf357ee46987238ff6e8dd8deb3f93d8f494c311d8a5b23aac4", kill_on_drop: false }`
[INFO] [stdout] 3fd8e340694cddf357ee46987238ff6e8dd8deb3f93d8f494c311d8a5b23aac4
