[INFO] cloning repository https://github.com/mike-herbert/grrs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mike-herbert/grrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmike-herbert%2Fgrrs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmike-herbert%2Fgrrs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 266375cf5f5687b42405b367cf63ad3eb3dc454b [INFO] checking mike-herbert/grrs against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmike-herbert%2Fgrrs" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mike-herbert/grrs on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mike-herbert/grrs [INFO] finished tweaking git repo https://github.com/mike-herbert/grrs [INFO] tweaked toml for git repo https://github.com/mike-herbert/grrs written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/mike-herbert/grrs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4cb6ab104b80a8da1dc694b292b0bdafdfb04e25d5ff00a05b48b997aa7418b3 [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" "4cb6ab104b80a8da1dc694b292b0bdafdfb04e25d5ff00a05b48b997aa7418b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4cb6ab104b80a8da1dc694b292b0bdafdfb04e25d5ff00a05b48b997aa7418b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cb6ab104b80a8da1dc694b292b0bdafdfb04e25d5ff00a05b48b997aa7418b3", kill_on_drop: false }` [INFO] [stdout] 4cb6ab104b80a8da1dc694b292b0bdafdfb04e25d5ff00a05b48b997aa7418b3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a09df95d593cc3905726f460b8263c90a842e5ea1582edd2d6c66ecf9f180857 [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" "a09df95d593cc3905726f460b8263c90a842e5ea1582edd2d6c66ecf9f180857", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling escargot v0.3.1 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking backtrace v0.3.50 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking predicates v1.0.5 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling structopt-derive v0.4.9 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking exitfailure v0.5.1 [INFO] [stderr] Checking structopt v0.3.16 [INFO] [stderr] Checking grrs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `write` [INFO] [stdout] --> src/lib.rs:1:51 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn find_matches(content: &str, pattern: &str, mut write: impl std::io::Write) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_write` [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/lib.rs:1:51 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn find_matches(content: &str, pattern: &str, mut write: impl std::io::Write) { [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking serde v1.0.115 [INFO] [stderr] Checking assert_cmd v0.10.2 [INFO] [stdout] warning: unused variable: `write` [INFO] [stdout] --> src/lib.rs:1:51 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn find_matches(content: &str, pattern: &str, mut write: impl std::io::Write) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_write` [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/lib.rs:1:51 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn find_matches(content: &str, pattern: &str, mut write: impl std::io::Write) { [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> tests/cli.rs:17:15 [INFO] [stdout] | [INFO] [stdout] 17 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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 1m 10s [INFO] running `Command { std: "docker" "inspect" "a09df95d593cc3905726f460b8263c90a842e5ea1582edd2d6c66ecf9f180857", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a09df95d593cc3905726f460b8263c90a842e5ea1582edd2d6c66ecf9f180857", kill_on_drop: false }` [INFO] [stdout] a09df95d593cc3905726f460b8263c90a842e5ea1582edd2d6c66ecf9f180857