[INFO] fetching crate ff-find 0.24.11... [INFO] checking ff-find-0.24.11 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate ff-find 0.24.11 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate ff-find 0.24.11 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ff-find 0.24.11 [INFO] finished tweaking crates.io crate ff-find 0.24.11 [INFO] tweaked toml for crates.io crate ff-find 0.24.11 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate ff-find 0.24.11 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded getrandom v0.1.12 [INFO] [stderr] Downloaded rand_chacha v0.2.1 [INFO] [stderr] Downloaded diff v0.1.11 [INFO] [stderr] Downloaded ppv-lite86 v0.2.5 [INFO] [stderr] Downloaded signal-hook v0.1.10 [INFO] [stderr] Downloaded c2-chacha v0.2.2 [INFO] [stderr] Downloaded globset v0.4.4 [INFO] [stderr] Downloaded num_cpus v1.10.1 [INFO] [stderr] Downloaded wasi v0.7.0 [INFO] [stderr] Downloaded ignore v0.4.10 [INFO] [stderr] Downloaded bitflags v1.2.0 [INFO] [stderr] Downloaded cc v1.0.45 [INFO] [stderr] Downloaded signal-hook-registry v1.1.1 [INFO] [stderr] Downloaded nix v0.15.0 [INFO] [stderr] Downloaded rand v0.7.2 [INFO] [stderr] Downloaded bstr v0.2.8 [INFO] [stderr] Downloaded libc v0.2.62 [INFO] [stderr] Downloaded arc-swap v0.4.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 31b896be4d37d923fe67d3f308544c6ad1d4810f482b9698060dc209a3e9cf70 [INFO] running `Command { std: "docker" "start" "-a" "31b896be4d37d923fe67d3f308544c6ad1d4810f482b9698060dc209a3e9cf70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "31b896be4d37d923fe67d3f308544c6ad1d4810f482b9698060dc209a3e9cf70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31b896be4d37d923fe67d3f308544c6ad1d4810f482b9698060dc209a3e9cf70", kill_on_drop: false }` [INFO] [stdout] 31b896be4d37d923fe67d3f308544c6ad1d4810f482b9698060dc209a3e9cf70 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4e4cc2a7701f5119c11cb99238e0e2ba231b081bae3aa09607e4521c7911e527 [INFO] running `Command { std: "docker" "start" "-a" "4e4cc2a7701f5119c11cb99238e0e2ba231b081bae3aa09607e4521c7911e527", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Compiling nix v0.15.0 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking arc-swap v0.4.3 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking diff v0.1.11 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking bstr v0.2.8 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking signal-hook-registry v1.1.1 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking signal-hook v0.1.10 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking globset v0.4.4 [INFO] [stderr] Checking ignore v0.4.10 [INFO] [stderr] Compiling ff-find v0.24.11 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `regex` is imported redundantly [INFO] [stdout] --> src/globset/src/glob.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use regex; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/globset/src/lib.rs:111:1 [INFO] [stdout] | [INFO] [stdout] 111 | extern crate regex; [INFO] [stdout] | ------------------- the item `regex` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `regex` is imported redundantly [INFO] [stdout] --> src/globset/src/glob.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use regex; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/globset/src/lib.rs:111:1 [INFO] [stdout] | [INFO] [stdout] 111 | extern crate regex; [INFO] [stdout] | ------------------- the item `regex` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `pat` is never read [INFO] [stdout] --> src/globset/src/glob.rs:110:5 [INFO] [stdout] | [INFO] [stdout] 108 | pub struct GlobMatcher { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 109 | /// The underlying pattern. [INFO] [stdout] 110 | pat: Glob, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GlobMatcher` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `globset` is imported redundantly [INFO] [stdout] --> src/glob.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use super::globset; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | extern crate globset; [INFO] [stdout] | --------------------- the item `globset` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Color`, `FontStyle` [INFO] [stdout] --> src/lscolors/src/lib.rs:26:23 [INFO] [stdout] | [INFO] [stdout] 26 | pub use self::style::{Color, FontStyle, Style}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Option` is imported redundantly [INFO] [stdout] --> src/walk.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `atty` is imported redundantly [INFO] [stdout] --> src/walk.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use super::atty; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate atty; [INFO] [stdout] | ------------------ the item `atty` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ignore` is imported redundantly [INFO] [stdout] --> src/walk.rs:13:21 [INFO] [stdout] | [INFO] [stdout] 13 | use super::ignore::{self, WalkBuilder, WalkState}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate ignore; [INFO] [stdout] | -------------------- the item `ignore` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `signal_hook` is imported redundantly [INFO] [stdout] --> src/walk.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use super::signal_hook; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | extern crate signal_hook; [INFO] [stdout] | ------------------------- the item `signal_hook` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `globset` is imported redundantly [INFO] [stdout] --> src/glob.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use super::globset; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | extern crate globset; [INFO] [stdout] | --------------------- the item `globset` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Color`, `FontStyle` [INFO] [stdout] --> src/lscolors/src/lib.rs:26:23 [INFO] [stdout] | [INFO] [stdout] 26 | pub use self::style::{Color, FontStyle, Style}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Option` is imported redundantly [INFO] [stdout] --> src/walk.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `atty` is imported redundantly [INFO] [stdout] --> src/walk.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use super::atty; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate atty; [INFO] [stdout] | ------------------ the item `atty` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ignore` is imported redundantly [INFO] [stdout] --> src/walk.rs:13:21 [INFO] [stdout] | [INFO] [stdout] 13 | use super::ignore::{self, WalkBuilder, WalkState}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate ignore; [INFO] [stdout] | -------------------- the item `ignore` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `signal_hook` is imported redundantly [INFO] [stdout] --> src/walk.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use super::signal_hook; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | extern crate signal_hook; [INFO] [stdout] | ------------------------- the item `signal_hook` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/exec/nonblock.rs:67:69 [INFO] [stdout] | [INFO] [stdout] 67 | return Err(io::Error::new(io::ErrorKind::Other, err.description())); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/exec/nonblock.rs:126:69 [INFO] [stdout] | [INFO] [stdout] 126 | return Err(io::Error::new(io::ErrorKind::Other, err.description())); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/exec/nonblock.rs:67:69 [INFO] [stdout] | [INFO] [stdout] 67 | return Err(io::Error::new(io::ErrorKind::Other, err.description())); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/exec/nonblock.rs:126:69 [INFO] [stdout] | [INFO] [stdout] 126 | return Err(io::Error::new(io::ErrorKind::Other, err.description())); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `starts_with` and `to_ascii_lowercase` are never used [INFO] [stdout] --> src/foss.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait FckOsStrSck { [INFO] [stdout] | ----------- methods in this trait [INFO] [stdout] 5 | fn starts_with(&self, prefix: &OsStr) -> bool; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 6 | fn ends_with(&self, suffix: &OsStr) -> bool; [INFO] [stdout] 7 | fn to_ascii_lowercase(&self) -> OsString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `pat` is never read [INFO] [stdout] --> src/globset/src/glob.rs:110:5 [INFO] [stdout] | [INFO] [stdout] 108 | pub struct GlobMatcher { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 109 | /// The underlying pattern. [INFO] [stdout] 110 | pat: Glob, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GlobMatcher` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `pat` is never read [INFO] [stdout] --> src/globset/src/glob.rs:134:5 [INFO] [stdout] | [INFO] [stdout] 130 | struct GlobStrategic { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 134 | pat: Glob, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GlobStrategic` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `starts_with` and `to_ascii_lowercase` are never used [INFO] [stdout] --> src/foss.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait FckOsStrSck { [INFO] [stdout] | ----------- methods in this trait [INFO] [stdout] 5 | fn starts_with(&self, prefix: &OsStr) -> bool; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 6 | fn ends_with(&self, suffix: &OsStr) -> bool; [INFO] [stdout] 7 | fn to_ascii_lowercase(&self) -> OsString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.56s [INFO] running `Command { std: "docker" "inspect" "4e4cc2a7701f5119c11cb99238e0e2ba231b081bae3aa09607e4521c7911e527", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e4cc2a7701f5119c11cb99238e0e2ba231b081bae3aa09607e4521c7911e527", kill_on_drop: false }` [INFO] [stdout] 4e4cc2a7701f5119c11cb99238e0e2ba231b081bae3aa09607e4521c7911e527 [INFO] checking ff-find-0.24.11 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate ff-find 0.24.11 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate ff-find 0.24.11 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ff-find 0.24.11 [INFO] finished tweaking crates.io crate ff-find 0.24.11 [INFO] tweaked toml for crates.io crate ff-find 0.24.11 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate ff-find 0.24.11 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ca4d5ccbfe81ce4f43a94390c8bd4c5bab4d425ee62253086c287d173eb649a4 [INFO] running `Command { std: "docker" "start" "-a" "ca4d5ccbfe81ce4f43a94390c8bd4c5bab4d425ee62253086c287d173eb649a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca4d5ccbfe81ce4f43a94390c8bd4c5bab4d425ee62253086c287d173eb649a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca4d5ccbfe81ce4f43a94390c8bd4c5bab4d425ee62253086c287d173eb649a4", kill_on_drop: false }` [INFO] [stdout] ca4d5ccbfe81ce4f43a94390c8bd4c5bab4d425ee62253086c287d173eb649a4 [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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e8bd353bcf54a6faf183a8f7fef4827cd88e91382df14323b74edbfd14c9e54c [INFO] running `Command { std: "docker" "start" "-a" "e8bd353bcf54a6faf183a8f7fef4827cd88e91382df14323b74edbfd14c9e54c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking arc-swap v0.4.3 [INFO] [stderr] Compiling nix v0.15.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking diff v0.1.11 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking bstr v0.2.8 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking signal-hook-registry v1.1.1 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking signal-hook v0.1.10 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking globset v0.4.4 [INFO] [stderr] Checking ignore v0.4.10 [INFO] [stderr] Compiling ff-find v0.24.11 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `regex` is imported redundantly [INFO] [stdout] --> src/globset/src/glob.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use regex; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/globset/src/lib.rs:111:1 [INFO] [stdout] | [INFO] [stdout] 111 | extern crate regex; [INFO] [stdout] | ------------------- the item `regex` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `regex` is imported redundantly [INFO] [stdout] --> src/globset/src/glob.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use regex; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/globset/src/lib.rs:111:1 [INFO] [stdout] | [INFO] [stdout] 111 | extern crate regex; [INFO] [stdout] | ------------------- the item `regex` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `pat` is never read [INFO] [stdout] --> src/globset/src/glob.rs:110:5 [INFO] [stdout] | [INFO] [stdout] 108 | pub struct GlobMatcher { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 109 | /// The underlying pattern. [INFO] [stdout] 110 | pat: Glob, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GlobMatcher` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `globset` is imported redundantly [INFO] [stdout] --> src/glob.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use super::globset; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | extern crate globset; [INFO] [stdout] | --------------------- the item `globset` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Color`, `FontStyle` [INFO] [stdout] --> src/lscolors/src/lib.rs:26:23 [INFO] [stdout] | [INFO] [stdout] 26 | pub use self::style::{Color, FontStyle, Style}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Option` is imported redundantly [INFO] [stdout] --> src/walk.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `atty` is imported redundantly [INFO] [stdout] --> src/walk.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use super::atty; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate atty; [INFO] [stdout] | ------------------ the item `atty` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ignore` is imported redundantly [INFO] [stdout] --> src/walk.rs:13:21 [INFO] [stdout] | [INFO] [stdout] 13 | use super::ignore::{self, WalkBuilder, WalkState}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate ignore; [INFO] [stdout] | -------------------- the item `ignore` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `signal_hook` is imported redundantly [INFO] [stdout] --> src/walk.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use super::signal_hook; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | extern crate signal_hook; [INFO] [stdout] | ------------------------- the item `signal_hook` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/exec/nonblock.rs:67:69 [INFO] [stdout] | [INFO] [stdout] 67 | return Err(io::Error::new(io::ErrorKind::Other, err.description())); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/exec/nonblock.rs:126:69 [INFO] [stdout] | [INFO] [stdout] 126 | return Err(io::Error::new(io::ErrorKind::Other, err.description())); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `globset` is imported redundantly [INFO] [stdout] --> src/glob.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use super::globset; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | extern crate globset; [INFO] [stdout] | --------------------- the item `globset` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Color`, `FontStyle` [INFO] [stdout] --> src/lscolors/src/lib.rs:26:23 [INFO] [stdout] | [INFO] [stdout] 26 | pub use self::style::{Color, FontStyle, Style}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Option` is imported redundantly [INFO] [stdout] --> src/walk.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `atty` is imported redundantly [INFO] [stdout] --> src/walk.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use super::atty; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate atty; [INFO] [stdout] | ------------------ the item `atty` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ignore` is imported redundantly [INFO] [stdout] --> src/walk.rs:13:21 [INFO] [stdout] | [INFO] [stdout] 13 | use super::ignore::{self, WalkBuilder, WalkState}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate ignore; [INFO] [stdout] | -------------------- the item `ignore` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `signal_hook` is imported redundantly [INFO] [stdout] --> src/walk.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use super::signal_hook; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | extern crate signal_hook; [INFO] [stdout] | ------------------------- the item `signal_hook` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/exec/nonblock.rs:67:69 [INFO] [stdout] | [INFO] [stdout] 67 | return Err(io::Error::new(io::ErrorKind::Other, err.description())); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/exec/nonblock.rs:126:69 [INFO] [stdout] | [INFO] [stdout] 126 | return Err(io::Error::new(io::ErrorKind::Other, err.description())); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `starts_with` and `to_ascii_lowercase` are never used [INFO] [stdout] --> src/foss.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait FckOsStrSck { [INFO] [stdout] | ----------- methods in this trait [INFO] [stdout] 5 | fn starts_with(&self, prefix: &OsStr) -> bool; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 6 | fn ends_with(&self, suffix: &OsStr) -> bool; [INFO] [stdout] 7 | fn to_ascii_lowercase(&self) -> OsString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `pat` is never read [INFO] [stdout] --> src/globset/src/glob.rs:110:5 [INFO] [stdout] | [INFO] [stdout] 108 | pub struct GlobMatcher { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 109 | /// The underlying pattern. [INFO] [stdout] 110 | pat: Glob, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GlobMatcher` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `pat` is never read [INFO] [stdout] --> src/globset/src/glob.rs:134:5 [INFO] [stdout] | [INFO] [stdout] 130 | struct GlobStrategic { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 134 | pat: Glob, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GlobStrategic` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `starts_with` and `to_ascii_lowercase` are never used [INFO] [stdout] --> src/foss.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait FckOsStrSck { [INFO] [stdout] | ----------- methods in this trait [INFO] [stdout] 5 | fn starts_with(&self, prefix: &OsStr) -> bool; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 6 | fn ends_with(&self, suffix: &OsStr) -> bool; [INFO] [stdout] 7 | fn to_ascii_lowercase(&self) -> OsString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.70s [INFO] running `Command { std: "docker" "inspect" "e8bd353bcf54a6faf183a8f7fef4827cd88e91382df14323b74edbfd14c9e54c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8bd353bcf54a6faf183a8f7fef4827cd88e91382df14323b74edbfd14c9e54c", kill_on_drop: false }` [INFO] [stdout] e8bd353bcf54a6faf183a8f7fef4827cd88e91382df14323b74edbfd14c9e54c