[INFO] fetching crate gimic 0.1.33... [INFO] checking gimic-0.1.33 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate gimic 0.1.33 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate gimic 0.1.33 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 gimic 0.1.33 [INFO] finished tweaking crates.io crate gimic 0.1.33 [INFO] tweaked toml for crates.io crate gimic 0.1.33 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate gimic 0.1.33 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] Downloading crates ... [INFO] [stderr] Downloaded termcolor v1.2.0 [INFO] [stderr] Downloaded serde_yaml v0.9.25 [INFO] [stderr] Downloaded windows-targets v0.48.3 [INFO] [stderr] Downloaded quote v1.0.32 [INFO] [stderr] Downloaded serde v1.0.178 [INFO] [stderr] Downloaded cc v1.0.82 [INFO] [stderr] Downloaded aho-corasick v1.0.4 [INFO] [stderr] Downloaded regex v1.9.3 [INFO] [stderr] Downloaded windows_aarch64_gnullvm v0.48.3 [INFO] [stderr] Downloaded regex-automata v0.3.6 [INFO] [stderr] Downloaded windows_x86_64_gnullvm v0.48.3 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.48.3 [INFO] [stderr] Downloaded windows_i686_gnu v0.48.3 [INFO] [stderr] Downloaded windows_i686_msvc v0.48.3 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.48.3 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.48.3 [INFO] [stderr] Downloaded regex-syntax v0.7.4 [INFO] [stderr] Downloaded syn v2.0.27 [INFO] [stderr] Downloaded serde_derive v1.0.178 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3a757782e57ba6b1da53e70097c754c8b2e4514bbbb79f08cd83a32c29676edf [INFO] running `Command { std: "docker" "start" "-a" "3a757782e57ba6b1da53e70097c754c8b2e4514bbbb79f08cd83a32c29676edf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a757782e57ba6b1da53e70097c754c8b2e4514bbbb79f08cd83a32c29676edf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a757782e57ba6b1da53e70097c754c8b2e4514bbbb79f08cd83a32c29676edf", kill_on_drop: false }` [INFO] [stdout] 3a757782e57ba6b1da53e70097c754c8b2e4514bbbb79f08cd83a32c29676edf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 906a788b23592df34619951096c978bfb3eac6ce31c93b179ae123b1f1f919cb [INFO] running `Command { std: "docker" "start" "-a" "906a788b23592df34619951096c978bfb3eac6ce31c93b179ae123b1f1f919cb", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling serde v1.0.178 [INFO] [stderr] Checking regex-syntax v0.7.4 [INFO] [stderr] Checking hashbrown v0.14.0 [INFO] [stderr] Compiling serde_derive v1.0.178 [INFO] [stderr] Checking iana-time-zone v0.1.57 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking unsafe-libyaml v0.2.9 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Checking termcolor v1.2.0 [INFO] [stderr] Checking indexmap v2.0.0 [INFO] [stderr] Checking aho-corasick v1.0.4 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking chrono v0.4.26 [INFO] [stderr] Checking regex-automata v0.3.6 [INFO] [stderr] Checking serde_yaml v0.9.25 [INFO] [stderr] Checking regex v1.9.3 [INFO] [stderr] Checking gimic v0.1.33 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `idx` [INFO] [stdout] --> src/gimic/gimic.rs:117:35 [INFO] [stdout] | [INFO] [stdout] 117 | fn commit(&self, action:&str, idx:u32, gargs:Vec<&str>){ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `action` [INFO] [stdout] --> src/gimic/gimic.rs:122:24 [INFO] [stdout] | [INFO] [stdout] 122 | fn checkout(&self, action:&str, idx:u32) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_action` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gimic/gimic.rs:368:36 [INFO] [stdout] | [INFO] [stdout] 368 | pub fn skip_worktree(action: &str, mut current_dir: path::PathBuf, target: String){ [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `version` and `fail_fast` are never read [INFO] [stdout] --> src/gimic/gimic.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 48 | pub struct BaseConfig{ [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 49 | pub version: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 50 | pub repos: VecDeque, [INFO] [stdout] 51 | pub fail_fast: Option [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BaseConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `cache` and `overwrite_on_update` are never read [INFO] [stdout] --> src/gimic/gimic.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 57 | pub struct AlternateRepoConfig{ [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 63 | pub cache: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 64 | pub keep_repo: Option, [INFO] [stdout] 65 | pub overwrite_on_update: Option [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AlternateRepoConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `commit` is never used [INFO] [stdout] --> src/gimic/gimic.rs:117:8 [INFO] [stdout] | [INFO] [stdout] 68 | impl BaseConfig{ [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 117 | fn commit(&self, action:&str, idx:u32, gargs:Vec<&str>){ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idx` [INFO] [stdout] --> src/gimic/gimic.rs:117:35 [INFO] [stdout] | [INFO] [stdout] 117 | fn commit(&self, action:&str, idx:u32, gargs:Vec<&str>){ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `action` [INFO] [stdout] --> src/gimic/gimic.rs:122:24 [INFO] [stdout] | [INFO] [stdout] 122 | fn checkout(&self, action:&str, idx:u32) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_action` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/gimic/gimic.rs:261:5 [INFO] [stdout] | [INFO] [stdout] 261 | visit_dirs(current.as_path(),&mut entries); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 261 | let _ = visit_dirs(current.as_path(),&mut entries); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/gimic/gimic.rs:376:5 [INFO] [stdout] | [INFO] [stdout] 376 | visit_dirs(target_path.as_path(),&mut entries); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 376 | let _ = visit_dirs(target_path.as_path(),&mut entries); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/gimic/gimic.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | visit_dirs(current.as_path(),&mut entries); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 40 | let _ = visit_dirs(current.as_path(),&mut entries); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gimic/gimic.rs:368:36 [INFO] [stdout] | [INFO] [stdout] 368 | pub fn skip_worktree(action: &str, mut current_dir: path::PathBuf, target: String){ [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `version` and `fail_fast` are never read [INFO] [stdout] --> src/gimic/gimic.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 48 | pub struct BaseConfig{ [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 49 | pub version: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 50 | pub repos: VecDeque, [INFO] [stdout] 51 | pub fail_fast: Option [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BaseConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `cache` and `overwrite_on_update` are never read [INFO] [stdout] --> src/gimic/gimic.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 57 | pub struct AlternateRepoConfig{ [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 63 | pub cache: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 64 | pub keep_repo: Option, [INFO] [stdout] 65 | pub overwrite_on_update: Option [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AlternateRepoConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `commit` is never used [INFO] [stdout] --> src/gimic/gimic.rs:117:8 [INFO] [stdout] | [INFO] [stdout] 68 | impl BaseConfig{ [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 117 | fn commit(&self, action:&str, idx:u32, gargs:Vec<&str>){ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/gimic/gimic.rs:261:5 [INFO] [stdout] | [INFO] [stdout] 261 | visit_dirs(current.as_path(),&mut entries); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 261 | let _ = visit_dirs(current.as_path(),&mut entries); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/gimic/gimic.rs:376:5 [INFO] [stdout] | [INFO] [stdout] 376 | visit_dirs(target_path.as_path(),&mut entries); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 376 | let _ = visit_dirs(target_path.as_path(),&mut entries); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.27s [INFO] running `Command { std: "docker" "inspect" "906a788b23592df34619951096c978bfb3eac6ce31c93b179ae123b1f1f919cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "906a788b23592df34619951096c978bfb3eac6ce31c93b179ae123b1f1f919cb", kill_on_drop: false }` [INFO] [stdout] 906a788b23592df34619951096c978bfb3eac6ce31c93b179ae123b1f1f919cb