[INFO] cloning repository https://github.com/HEnquist/rust-comparedirs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HEnquist/rust-comparedirs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHEnquist%2Frust-comparedirs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHEnquist%2Frust-comparedirs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 095504993913c8b8a82e42fe8b7799b4ce97bd7e [INFO] checking HEnquist/rust-comparedirs/095504993913c8b8a82e42fe8b7799b4ce97bd7e against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHEnquist%2Frust-comparedirs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/HEnquist/rust-comparedirs on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/HEnquist/rust-comparedirs [INFO] finished tweaking git repo https://github.com/HEnquist/rust-comparedirs [INFO] tweaked toml for git repo https://github.com/HEnquist/rust-comparedirs written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/HEnquist/rust-comparedirs 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded same-file v1.0.5 [INFO] [stderr] Downloaded serde_json v1.0.41 [INFO] [stderr] Downloaded serde_derive v1.0.101 [INFO] [stderr] Downloaded filetime v0.2.7 [INFO] [stderr] Downloaded ryu v1.0.0 [INFO] [stderr] Downloaded serde v1.0.101 [INFO] [stderr] Downloaded proc-macro2 v1.0.5 [INFO] [stderr] Downloaded walkdir v2.2.9 [INFO] [stderr] Downloaded syn v1.0.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2b149e46dcf85b3a4ccf9ebfe0f7947056eabe629da75fa14d7d8d07cd54254b [INFO] running `Command { std: "docker" "start" "-a" "2b149e46dcf85b3a4ccf9ebfe0f7947056eabe629da75fa14d7d8d07cd54254b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b149e46dcf85b3a4ccf9ebfe0f7947056eabe629da75fa14d7d8d07cd54254b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b149e46dcf85b3a4ccf9ebfe0f7947056eabe629da75fa14d7d8d07cd54254b", kill_on_drop: false }` [INFO] [stdout] 2b149e46dcf85b3a4ccf9ebfe0f7947056eabe629da75fa14d7d8d07cd54254b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 992149ce28ce54aab3fbb0795c14bf4a59d0e97a08cdf1e46fedbd59674be82f [INFO] running `Command { std: "docker" "start" "-a" "992149ce28ce54aab3fbb0795c14bf4a59d0e97a08cdf1e46fedbd59674be82f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking filetime v0.2.7 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking comparedirs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/main.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | use std::time::{Duration, SystemTime}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/main.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | use std::time::{Duration, SystemTime}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:44:57 [INFO] [stdout] | [INFO] [stdout] 44 | fn map_dir(basepath: &PathBuf) -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 44 | fn map_dir(basepath: &PathBuf) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:44:57 [INFO] [stdout] | [INFO] [stdout] 44 | fn map_dir(basepath: &PathBuf) -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 44 | fn map_dir(basepath: &PathBuf) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:56:21 [INFO] [stdout] | [INFO] [stdout] 56 | Err(e) => {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pathdata_b` [INFO] [stdout] --> src/main.rs:116:16 [INFO] [stdout] | [INFO] [stdout] 116 | for (path, pathdata_b) in dir_b_copy.contents.iter() { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pathdata_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pathdata_a` [INFO] [stdout] --> src/main.rs:118:18 [INFO] [stdout] | [INFO] [stdout] 118 | Some(pathdata_a) => { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pathdata_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:56:21 [INFO] [stdout] | [INFO] [stdout] 56 | Err(e) => {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:133:9 [INFO] [stdout] | [INFO] [stdout] 133 | let mut paths_a = map_dir(&watch_a).unwrap(); [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:134:9 [INFO] [stdout] | [INFO] [stdout] 134 | let mut paths_b = map_dir(&watch_b).unwrap(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pathdata_b` [INFO] [stdout] --> src/main.rs:116:16 [INFO] [stdout] | [INFO] [stdout] 116 | for (path, pathdata_b) in dir_b_copy.contents.iter() { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pathdata_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pathdata_a` [INFO] [stdout] --> src/main.rs:118:18 [INFO] [stdout] | [INFO] [stdout] 118 | Some(pathdata_a) => { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pathdata_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:133:9 [INFO] [stdout] | [INFO] [stdout] 133 | let mut paths_a = map_dir(&watch_a).unwrap(); [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:134:9 [INFO] [stdout] | [INFO] [stdout] 134 | let mut paths_b = map_dir(&watch_b).unwrap(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.93s [INFO] running `Command { std: "docker" "inspect" "992149ce28ce54aab3fbb0795c14bf4a59d0e97a08cdf1e46fedbd59674be82f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "992149ce28ce54aab3fbb0795c14bf4a59d0e97a08cdf1e46fedbd59674be82f", kill_on_drop: false }` [INFO] [stdout] 992149ce28ce54aab3fbb0795c14bf4a59d0e97a08cdf1e46fedbd59674be82f