[INFO] cloning repository https://github.com/ckampfe/wlog [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ckampfe/wlog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckampfe%2Fwlog", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckampfe%2Fwlog'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 478e3fea01ab3fa83e5c840406640a8a1ff9704b [INFO] checking ckampfe/wlog 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%2Fckampfe%2Fwlog" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/ckampfe/wlog [INFO] finished tweaking git repo https://github.com/ckampfe/wlog [INFO] tweaked toml for git repo https://github.com/ckampfe/wlog written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ckampfe/wlog 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/ckampfe/wlog 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] 544dd80170f5f642b52c87a44b3e29c2ae8b81d06af518967880c4f98fa8e362 [INFO] running `Command { std: "docker" "start" "-a" "544dd80170f5f642b52c87a44b3e29c2ae8b81d06af518967880c4f98fa8e362", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "544dd80170f5f642b52c87a44b3e29c2ae8b81d06af518967880c4f98fa8e362", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "544dd80170f5f642b52c87a44b3e29c2ae8b81d06af518967880c4f98fa8e362", kill_on_drop: false }` [INFO] [stdout] 544dd80170f5f642b52c87a44b3e29c2ae8b81d06af518967880c4f98fa8e362 [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] 0d3b080955dafb220236b78e8a58c923d32eb642dd1282eead4707ec82082444 [INFO] running `Command { std: "docker" "start" "-a" "0d3b080955dafb220236b78e8a58c923d32eb642dd1282eead4707ec82082444", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling syn v1.0.43 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling anyhow v1.0.33 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Compiling wlog v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking shell-words v1.0.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking simplelog v0.8.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.12 [INFO] [stderr] Checking structopt v0.3.19 [INFO] [stdout] warning: field `command_text` is never read [INFO] [stdout] --> src/main.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 62 | struct App { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 65 | command_text: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `App` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `command_text` is never read [INFO] [stdout] --> src/main.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 62 | struct App { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 65 | command_text: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `App` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | / /// Log output to a file [INFO] [stdout] 21 | | #[structopt(short = "f", long = "file")] [INFO] [stdout] 22 | | output: Option, [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 [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | / /// Log output to a file [INFO] [stdout] 21 | | #[structopt(short = "f", long = "file")] [INFO] [stdout] 22 | | output: Option, [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 [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | / /// The command to repeat [INFO] [stdout] 24 | | #[structopt()] [INFO] [stdout] 25 | | command: String, [INFO] [stdout] | |___________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | / /// The command to repeat [INFO] [stdout] 24 | | #[structopt()] [INFO] [stdout] 25 | | command: String, [INFO] [stdout] | |___________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `wlog` (bin "wlog") due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `wlog` (bin "wlog" test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "0d3b080955dafb220236b78e8a58c923d32eb642dd1282eead4707ec82082444", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d3b080955dafb220236b78e8a58c923d32eb642dd1282eead4707ec82082444", kill_on_drop: false }` [INFO] [stdout] 0d3b080955dafb220236b78e8a58c923d32eb642dd1282eead4707ec82082444