[INFO] cloning repository https://github.com/imoegirl/practical-rust-project-catsay
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imoegirl/practical-rust-project-catsay" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimoegirl%2Fpractical-rust-project-catsay", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimoegirl%2Fpractical-rust-project-catsay'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c13fe84efe2be1944f29ee3970ccfd05861c2f2
[INFO] checking imoegirl/practical-rust-project-catsay 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%2Fimoegirl%2Fpractical-rust-project-catsay" "/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/imoegirl/practical-rust-project-catsay
[INFO] finished tweaking git repo https://github.com/imoegirl/practical-rust-project-catsay
[INFO] tweaked toml for git repo https://github.com/imoegirl/practical-rust-project-catsay written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/imoegirl/practical-rust-project-catsay 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/imoegirl/practical-rust-project-catsay 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] 2befdaae42e7e54824ce3d1d8bd9d0432bb98a3d956c11c38575a11c3aaa3a0c
[INFO] running `Command { std: "docker" "start" "-a" "2befdaae42e7e54824ce3d1d8bd9d0432bb98a3d956c11c38575a11c3aaa3a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2befdaae42e7e54824ce3d1d8bd9d0432bb98a3d956c11c38575a11c3aaa3a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2befdaae42e7e54824ce3d1d8bd9d0432bb98a3d956c11c38575a11c3aaa3a0c", kill_on_drop: false }`
[INFO] [stdout] 2befdaae42e7e54824ce3d1d8bd9d0432bb98a3d956c11c38575a11c3aaa3a0c
[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] cca361f1f98c490915d321e0e9f02f5a6463305234ebb05817f4995c2ea7fe0a
[INFO] running `Command { std: "docker" "start" "-a" "cca361f1f98c490915d321e0e9f02f5a6463305234ebb05817f4995c2ea7fe0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr]     Checking catsay v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | /     #[structopt(default_value = "MoeGirl")]
[INFO] [stdout] 10 | |     message: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `catsay` (bin "catsay") due to 1 previous error
[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/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | /     #[structopt(default_value = "MoeGirl")]
[INFO] [stdout] 10 | |     message: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `catsay` (bin "catsay" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "cca361f1f98c490915d321e0e9f02f5a6463305234ebb05817f4995c2ea7fe0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cca361f1f98c490915d321e0e9f02f5a6463305234ebb05817f4995c2ea7fe0a", kill_on_drop: false }`
[INFO] [stdout] cca361f1f98c490915d321e0e9f02f5a6463305234ebb05817f4995c2ea7fe0a
