[INFO] fetching crate pidgin 0.4.0... [INFO] checking pidgin-0.4.0 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166 [INFO] extracting crate pidgin 0.4.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate pidgin 0.4.0 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate pidgin 0.4.0 [INFO] finished tweaking crates.io crate pidgin 0.4.0 [INFO] tweaked toml for crates.io crate pidgin 0.4.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7166458db883e5b533680ef4a9f7aa9c481f1b112ab10afe5b20e11dc8df8bee [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7166458db883e5b533680ef4a9f7aa9c481f1b112ab10afe5b20e11dc8df8bee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7166458db883e5b533680ef4a9f7aa9c481f1b112ab10afe5b20e11dc8df8bee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7166458db883e5b533680ef4a9f7aa9c481f1b112ab10afe5b20e11dc8df8bee", kill_on_drop: false }` [INFO] [stdout] 7166458db883e5b533680ef4a9f7aa9c481f1b112ab10afe5b20e11dc8df8bee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d3efe13cafe2fa9c96bf1a170a7c1d2c1e6f22cdbce863f3905a5f97a65b8601 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d3efe13cafe2fa9c96bf1a170a7c1d2c1e6f22cdbce863f3905a5f97a65b8601", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.35 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling rayon-core v1.7.1 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking half v1.6.0 [INFO] [stderr] Checking oorandom v11.1.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling rayon v1.3.1 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking serde_regex v0.4.0 [INFO] [stderr] Checking pidgin v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pidgin.rs:601:38 [INFO] [stdout] | [INFO] [stdout] 601 | fn find_character_classes(&self, mut phrases: Vec>) -> Vec> { [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking tinytemplate v1.1.0 [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pidgin.rs:601:38 [INFO] [stdout] | [INFO] [stdout] 601 | fn find_character_classes(&self, mut phrases: Vec>) -> Vec> { [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 54.02s [INFO] running `Command { std: "docker" "inspect" "d3efe13cafe2fa9c96bf1a170a7c1d2c1e6f22cdbce863f3905a5f97a65b8601", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3efe13cafe2fa9c96bf1a170a7c1d2c1e6f22cdbce863f3905a5f97a65b8601", kill_on_drop: false }` [INFO] [stdout] d3efe13cafe2fa9c96bf1a170a7c1d2c1e6f22cdbce863f3905a5f97a65b8601