[INFO] cloning repository https://github.com/kellspell/Rust-CawSay [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kellspell/Rust-CawSay" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkellspell%2FRust-CawSay", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkellspell%2FRust-CawSay'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] efceecf3c33aa5a24d1324ed892cd6477506c30b [INFO] checking kellspell/Rust-CawSay 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%2Fkellspell%2FRust-CawSay" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. 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[INFO] started tweaking git repo https://github.com/kellspell/Rust-CawSay [INFO] finished tweaking git repo https://github.com/kellspell/Rust-CawSay [INFO] tweaked toml for git repo https://github.com/kellspell/Rust-CawSay written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/kellspell/Rust-CawSay 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/kellspell/Rust-CawSay 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6eaa93c1217afd8e5bfd6cf06b191daa075030bd18a38cd00c0334e67c018a5d [INFO] running `Command { std: "docker" "start" "-a" "6eaa93c1217afd8e5bfd6cf06b191daa075030bd18a38cd00c0334e67c018a5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6eaa93c1217afd8e5bfd6cf06b191daa075030bd18a38cd00c0334e67c018a5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6eaa93c1217afd8e5bfd6cf06b191daa075030bd18a38cd00c0334e67c018a5d", kill_on_drop: false }` [INFO] [stdout] 6eaa93c1217afd8e5bfd6cf06b191daa075030bd18a38cd00c0334e67c018a5d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f54089d10b1199b3402eadb52618e5f012e65e255304292629b0c5b953ab07ea [INFO] running `Command { std: "docker" "start" "-a" "f54089d10b1199b3402eadb52618e5f012e65e255304292629b0c5b953ab07ea", kill_on_drop: false }` [INFO] [stderr] Compiling object v0.36.7 [INFO] [stderr] Checking gimli v0.31.1 [INFO] [stderr] Checking miniz_oxide v0.8.9 [INFO] [stderr] Checking rustc-demangle v0.1.26 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking regex-automata v0.4.10 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling assert_cmd v2.0.17 [INFO] [stderr] Checking wait-timeout v0.2.1 [INFO] [stderr] Checking float-cmp v0.10.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking regex v1.11.2 [INFO] [stderr] Checking bstr v1.12.0 [INFO] [stderr] Checking addr2line v0.24.2 [INFO] [stderr] Checking predicates v3.1.3 [INFO] [stderr] Checking backtrace v0.3.75 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking exitfailure v0.5.1 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking cawsay v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | message: Option, [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 `cawsay` (bin "cawsay") 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 [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | message: Option, [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 `cawsay` (bin "cawsay" test) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "f54089d10b1199b3402eadb52618e5f012e65e255304292629b0c5b953ab07ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f54089d10b1199b3402eadb52618e5f012e65e255304292629b0c5b953ab07ea", kill_on_drop: false }` [INFO] [stdout] f54089d10b1199b3402eadb52618e5f012e65e255304292629b0c5b953ab07ea