[INFO] cloning repository https://github.com/mre/freq [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mre/freq" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmre%2Ffreq", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmre%2Ffreq'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] aeb5bc3561835dd0bacca27f717c969f9609d03a [INFO] checking mre/freq against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmre%2Ffreq" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mre/freq on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mre/freq [INFO] finished tweaking git repo https://github.com/mre/freq [INFO] tweaked toml for git repo https://github.com/mre/freq written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mre/freq 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded structopt-derive v0.4.14 [INFO] [stderr] Downloaded tokio-macros v1.1.0 [INFO] [stderr] Downloaded shellexpand v2.1.0 [INFO] [stderr] Downloaded structopt v0.3.21 [INFO] [stderr] Downloaded byteorder v1.4.2 [INFO] [stderr] Downloaded terminal_size v0.1.16 [INFO] [stderr] Downloaded assert_cmd v1.0.3 [INFO] [stderr] Downloaded console v0.14.0 [INFO] [stderr] Downloaded stop-words v0.4.0 [INFO] [stderr] Downloaded predicates v1.0.7 [INFO] [stderr] Downloaded tokio v1.2.0 [INFO] [stderr] Downloaded mio v0.7.9 [INFO] [stderr] Downloaded predicates-tree v1.0.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bf179a792cee17cfec3ee401d3dcd3b99c8ea49be4f7b51370f91fc78e958fb4 [INFO] running `Command { std: "docker" "start" "-a" "bf179a792cee17cfec3ee401d3dcd3b99c8ea49be4f7b51370f91fc78e958fb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bf179a792cee17cfec3ee401d3dcd3b99c8ea49be4f7b51370f91fc78e958fb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf179a792cee17cfec3ee401d3dcd3b99c8ea49be4f7b51370f91fc78e958fb4", kill_on_drop: false }` [INFO] [stdout] bf179a792cee17cfec3ee401d3dcd3b99c8ea49be4f7b51370f91fc78e958fb4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1aeeb017a5ffb14847ca7df71d6a54b50d44c3d8f2c2fee54b62055ed16c5505 [INFO] running `Command { std: "docker" "start" "-a" "1aeeb017a5ffb14847ca7df71d6a54b50d44c3d8f2c2fee54b62055ed16c5505", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.88 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v1.0.62 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Compiling serde_derive v1.0.124 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling serde v1.0.124 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Compiling tokio v1.2.0 [INFO] [stderr] Compiling anyhow v1.0.38 [INFO] [stderr] Compiling derive_builder v0.9.0 [INFO] [stderr] Checking strum v0.20.0 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking predicates-tree v1.0.2 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking mio v0.7.9 [INFO] [stderr] Checking terminal_size v0.1.16 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking shellexpand v2.1.0 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking console v0.14.0 [INFO] [stderr] Checking predicates v1.0.7 [INFO] [stderr] Checking assert_cmd v1.0.3 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling strum_macros v0.20.1 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling derive_builder_core v0.9.0 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking stop-words v0.4.0 [INFO] [stderr] Checking freq v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: expected item after doc comment [INFO] [stdout] --> src/utils/traverse.rs:119:1 [INFO] [stdout] | [INFO] [stdout] 119 | /// Return readers for all matches from a slice of inputs [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this doc comment doesn't document anything [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected item after doc comment [INFO] [stdout] --> src/utils/traverse.rs:119:1 [INFO] [stdout] | [INFO] [stdout] 119 | /// Return readers for all matches from a slice of inputs [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this doc comment doesn't document anything [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `utils::traverse::Input` [INFO] [stdout] --> src/lib.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | pub use utils::traverse::Input; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ no `Input` in `utils::traverse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `utils::traverse::Input` [INFO] [stdout] --> src/lib.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | pub use utils::traverse::Input; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ no `Input` in `utils::traverse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `freq` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `freq` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "1aeeb017a5ffb14847ca7df71d6a54b50d44c3d8f2c2fee54b62055ed16c5505", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1aeeb017a5ffb14847ca7df71d6a54b50d44c3d8f2c2fee54b62055ed16c5505", kill_on_drop: false }` [INFO] [stdout] 1aeeb017a5ffb14847ca7df71d6a54b50d44c3d8f2c2fee54b62055ed16c5505 [INFO] checking mre/freq against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmre%2Ffreq" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mre/freq on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mre/freq [INFO] finished tweaking git repo https://github.com/mre/freq [INFO] tweaked toml for git repo https://github.com/mre/freq written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mre/freq 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c34746b81bee8af3b21ae18dbf8c2be75d3c508b2cb33e59d191a2aaff220057 [INFO] running `Command { std: "docker" "start" "-a" "c34746b81bee8af3b21ae18dbf8c2be75d3c508b2cb33e59d191a2aaff220057", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c34746b81bee8af3b21ae18dbf8c2be75d3c508b2cb33e59d191a2aaff220057", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c34746b81bee8af3b21ae18dbf8c2be75d3c508b2cb33e59d191a2aaff220057", kill_on_drop: false }` [INFO] [stdout] c34746b81bee8af3b21ae18dbf8c2be75d3c508b2cb33e59d191a2aaff220057 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6f111209301330eaec4886c7d7da012b0a115d11f2095c3357acdcb7c040b80 [INFO] running `Command { std: "docker" "start" "-a" "e6f111209301330eaec4886c7d7da012b0a115d11f2095c3357acdcb7c040b80", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "e6f111209301330eaec4886c7d7da012b0a115d11f2095c3357acdcb7c040b80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6f111209301330eaec4886c7d7da012b0a115d11f2095c3357acdcb7c040b80", kill_on_drop: false }` [INFO] [stdout] e6f111209301330eaec4886c7d7da012b0a115d11f2095c3357acdcb7c040b80