[INFO] fetching crate command-builder 0.2.0... [INFO] checking command-builder-0.2.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate command-builder 0.2.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate command-builder 0.2.0 [INFO] finished tweaking crates.io crate command-builder 0.2.0 [INFO] tweaked toml for crates.io crate command-builder 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate command-builder 0.2.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fb0708cd55750e13bfa70a2f87acaa53171dc1623c0ad5b453a061a262e77ee9 [INFO] running `Command { std: "docker" "start" "-a" "fb0708cd55750e13bfa70a2f87acaa53171dc1623c0ad5b453a061a262e77ee9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb0708cd55750e13bfa70a2f87acaa53171dc1623c0ad5b453a061a262e77ee9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb0708cd55750e13bfa70a2f87acaa53171dc1623c0ad5b453a061a262e77ee9", kill_on_drop: false }` [INFO] [stdout] fb0708cd55750e13bfa70a2f87acaa53171dc1623c0ad5b453a061a262e77ee9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 50f8f682805f8b94ebea22049227eb99bd5a0fa775fc15979948ba2487c954e1 [INFO] running `Command { std: "docker" "start" "-a" "50f8f682805f8b94ebea22049227eb99bd5a0fa775fc15979948ba2487c954e1", kill_on_drop: false }` [INFO] [stderr] Checking command-builder v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `on` and `keys` are never read [INFO] [stdout] --> src/lib.rs:179:5 [INFO] [stdout] | [INFO] [stdout] 174 | pub struct ExceptEnvs [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 179 | on: C, [INFO] [stdout] | ^^ [INFO] [stdout] 180 | keys: I, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ExceptEnvs` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `a` found for struct `Single` in the current scope [INFO] [stdout] --> src/lib.rs:8:14 [INFO] [stdout] | [INFO] [stdout] 7 | let command = Single::new("echo") [INFO] [stdout] | _______________________- [INFO] [stdout] 8 | | .a("foo\nbar\nbaz") [INFO] [stdout] | | -^ method not found in `Single` [INFO] [stdout] | |_____________| [INFO] [stdout] | [INFO] [stdout] ... [INFO] [stdout] 453 | pub struct Single(Vec); [INFO] [stdout] | ----------------- method `a` not found for this struct [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `a` found for struct `Single` in the current scope [INFO] [stdout] --> src/lib.rs:9:39 [INFO] [stdout] | [INFO] [stdout] 9 | .pipe(Single::new("grep").a("bar")); [INFO] [stdout] | ^ method not found in `Single` [INFO] [stdout] ... [INFO] [stdout] 453 | pub struct Single(Vec); [INFO] [stdout] | ----------------- method `a` not found for this struct [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `command-builder` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "50f8f682805f8b94ebea22049227eb99bd5a0fa775fc15979948ba2487c954e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50f8f682805f8b94ebea22049227eb99bd5a0fa775fc15979948ba2487c954e1", kill_on_drop: false }` [INFO] [stdout] 50f8f682805f8b94ebea22049227eb99bd5a0fa775fc15979948ba2487c954e1