[INFO] cloning repository https://github.com/sile/trial [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sile/trial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsile%2Ftrial", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsile%2Ftrial'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f351d697dab4d9087efd1af72c598bb5fa9dbafe [INFO] checking sile/trial 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%2Fsile%2Ftrial" "/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/sile/trial [INFO] finished tweaking git repo https://github.com/sile/trial [INFO] tweaked toml for git repo https://github.com/sile/trial written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/sile/trial 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/sile/trial 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] 45bed380903f0fef2810480eb833cae366933fa5a2bec57df8fd82fe9024b729 [INFO] running `Command { std: "docker" "start" "-a" "45bed380903f0fef2810480eb833cae366933fa5a2bec57df8fd82fe9024b729", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "45bed380903f0fef2810480eb833cae366933fa5a2bec57df8fd82fe9024b729", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45bed380903f0fef2810480eb833cae366933fa5a2bec57df8fd82fe9024b729", kill_on_drop: false }` [INFO] [stdout] 45bed380903f0fef2810480eb833cae366933fa5a2bec57df8fd82fe9024b729 [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] 5532470e9226a479622f9b4a53fae69106aca72207e4cee215be07acf1167a3b [INFO] running `Command { std: "docker" "start" "-a" "5532470e9226a479622f9b4a53fae69106aca72207e4cee215be07acf1167a3b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.21 [INFO] [stderr] Compiling syn v1.0.40 [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling anyhow v1.0.32 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.10 [INFO] [stderr] Checking structopt v0.3.17 [INFO] [stderr] Checking trial v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `record` [INFO] [stdout] --> src/run.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | let record = self.execute_command()?; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `root_dir` is never read [INFO] [stdout] --> src/repository.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Repository { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 13 | root_dir: PathBuf, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Repository` has a derived impl for the trait `Debug`, but this is 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: unused variable: `record` [INFO] [stdout] --> src/run.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | let record = self.execute_command()?; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `root_dir` is never read [INFO] [stdout] --> src/repository.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Repository { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 13 | root_dir: PathBuf, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Repository` has a derived impl for the trait `Debug`, but this is 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/repository.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | / #[structopt(long)] [INFO] [stdout] 8 | | pub repository_dir: 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/run.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub command: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/run.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub args: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/repository.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | / #[structopt(long)] [INFO] [stdout] 8 | | pub repository_dir: 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/run.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub command: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/run.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub args: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `trial` (lib test) due to 3 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `trial` (lib) due to 3 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "5532470e9226a479622f9b4a53fae69106aca72207e4cee215be07acf1167a3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5532470e9226a479622f9b4a53fae69106aca72207e4cee215be07acf1167a3b", kill_on_drop: false }` [INFO] [stdout] 5532470e9226a479622f9b4a53fae69106aca72207e4cee215be07acf1167a3b