[INFO] fetching crate rlfsc 0.2.2... [INFO] checking rlfsc-0.2.2 against try#f6d7c613ae2d161ff37dbc63cc5abd809c878597 for pr-83850 [INFO] extracting crate rlfsc 0.2.2 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate rlfsc 0.2.2 on toolchain f6d7c613ae2d161ff37dbc63cc5abd809c878597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6d7c613ae2d161ff37dbc63cc5abd809c878597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rlfsc 0.2.2 [INFO] finished tweaking crates.io crate rlfsc 0.2.2 [INFO] tweaked toml for crates.io crate rlfsc 0.2.2 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate rlfsc 0.2.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6d7c613ae2d161ff37dbc63cc5abd809c878597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+f6d7c613ae2d161ff37dbc63cc5abd809c878597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f92f457cd2af74be84c3414ccd65ecda5db616dceed69345669d9cfad1c26c47 [INFO] running `Command { std: "docker" "start" "-a" "f92f457cd2af74be84c3414ccd65ecda5db616dceed69345669d9cfad1c26c47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f92f457cd2af74be84c3414ccd65ecda5db616dceed69345669d9cfad1c26c47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f92f457cd2af74be84c3414ccd65ecda5db616dceed69345669d9cfad1c26c47", kill_on_drop: false }` [INFO] [stdout] f92f457cd2af74be84c3414ccd65ecda5db616dceed69345669d9cfad1c26c47 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+f6d7c613ae2d161ff37dbc63cc5abd809c878597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5a6e97b783b6f2d85d9c5cf25b57852097e3908ce811afaabc1aad543d29079c [INFO] running `Command { std: "docker" "start" "-a" "5a6e97b783b6f2d85d9c5cf25b57852097e3908ce811afaabc1aad543d29079c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling gmp-mpfr-sys v1.4.3 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling beef v0.4.4 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling regex-syntax v0.6.22 [INFO] [stderr] Compiling rug v1.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking az v1.1.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking yansi v0.5.0 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rlimit v0.4.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling logos-derive v0.11.5 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking logos v0.11.4 [INFO] [stderr] Checking rlfsc v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `n_children` [INFO] [stdout] --> src/token.rs:279:5 [INFO] [stdout] | [INFO] [stdout] 279 | n_children: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Level` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/token.rs:277:10 [INFO] [stdout] | [INFO] [stdout] 277 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `in_var_list` [INFO] [stdout] --> src/token.rs:280:5 [INFO] [stdout] | [INFO] [stdout] 280 | in_var_list: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Level` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/token.rs:277:10 [INFO] [stdout] | [INFO] [stdout] 277 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `head` [INFO] [stdout] --> src/token.rs:284:5 [INFO] [stdout] | [INFO] [stdout] 284 | head: Option>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Level` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/token.rs:277:10 [INFO] [stdout] | [INFO] [stdout] 277 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `closing` [INFO] [stdout] --> src/token.rs:286:5 [INFO] [stdout] | [INFO] [stdout] 286 | closing: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Level` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/token.rs:277:10 [INFO] [stdout] | [INFO] [stdout] 277 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `n_children` [INFO] [stdout] --> src/token.rs:279:5 [INFO] [stdout] | [INFO] [stdout] 279 | n_children: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Level` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/token.rs:277:10 [INFO] [stdout] | [INFO] [stdout] 277 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `in_var_list` [INFO] [stdout] --> src/token.rs:280:5 [INFO] [stdout] | [INFO] [stdout] 280 | in_var_list: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Level` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/token.rs:277:10 [INFO] [stdout] | [INFO] [stdout] 277 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `head` [INFO] [stdout] --> src/token.rs:284:5 [INFO] [stdout] | [INFO] [stdout] 284 | head: Option>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Level` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/token.rs:277:10 [INFO] [stdout] | [INFO] [stdout] 277 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `closing` [INFO] [stdout] --> src/token.rs:286:5 [INFO] [stdout] | [INFO] [stdout] 286 | closing: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Level` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/token.rs:277:10 [INFO] [stdout] | [INFO] [stdout] 277 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5m 19s [INFO] running `Command { std: "docker" "inspect" "5a6e97b783b6f2d85d9c5cf25b57852097e3908ce811afaabc1aad543d29079c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a6e97b783b6f2d85d9c5cf25b57852097e3908ce811afaabc1aad543d29079c", kill_on_drop: false }` [INFO] [stdout] 5a6e97b783b6f2d85d9c5cf25b57852097e3908ce811afaabc1aad543d29079c