[INFO] cloning repository https://github.com/casonadams/tail-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/casonadams/tail-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasonadams%2Ftail-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasonadams%2Ftail-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6827af06eded575364e3ac20255a13723bf4aa7d [INFO] testing casonadams/tail-rs against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasonadams%2Ftail-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/casonadams/tail-rs on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/casonadams/tail-rs [INFO] finished tweaking git repo https://github.com/casonadams/tail-rs [INFO] tweaked toml for git repo https://github.com/casonadams/tail-rs written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/casonadams/tail-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3b8cdf686e2142aea4f3bff8f61a3cd4143342b240b25189bcd383f8df1c5661 [INFO] running `Command { std: "docker" "start" "-a" "3b8cdf686e2142aea4f3bff8f61a3cd4143342b240b25189bcd383f8df1c5661", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3b8cdf686e2142aea4f3bff8f61a3cd4143342b240b25189bcd383f8df1c5661", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b8cdf686e2142aea4f3bff8f61a3cd4143342b240b25189bcd383f8df1c5661", kill_on_drop: false }` [INFO] [stdout] 3b8cdf686e2142aea4f3bff8f61a3cd4143342b240b25189bcd383f8df1c5661 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8072fdc2f3e3ca55b961c7262cd0f8e1e1a8d6990149692dfaf3fcf529717283 [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" "8072fdc2f3e3ca55b961c7262cd0f8e1e1a8d6990149692dfaf3fcf529717283", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling tokio-sync v0.1.6 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Compiling owning_ref v0.4.0 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling inotify v0.5.1 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling tail v0.3.0 [INFO] [stderr] Compiling tokio-executor v0.1.8 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling tokio-timer v0.2.11 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling tokio-threadpool v0.1.15 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling tokio-fs v0.1.6 [INFO] [stderr] Compiling tokio-udp v0.1.5 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling tokio-uds v0.2.5 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling inotify v0.7.0 [INFO] [stderr] Compiling tail-watch v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | if (vec.len() <= 0) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let mut split = current_dir.split("/"); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | / inotify.add_watch( [INFO] [stdout] 31 | | current_dir, [INFO] [stdout] 32 | | WatchMask::MODIFY | WatchMask::CREATE | WatchMask::DELETE, [INFO] [stdout] 33 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.81s [INFO] running `Command { std: "docker" "inspect" "8072fdc2f3e3ca55b961c7262cd0f8e1e1a8d6990149692dfaf3fcf529717283", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8072fdc2f3e3ca55b961c7262cd0f8e1e1a8d6990149692dfaf3fcf529717283", kill_on_drop: false }` [INFO] [stdout] 8072fdc2f3e3ca55b961c7262cd0f8e1e1a8d6990149692dfaf3fcf529717283 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8555bfa68ce4b2c82f96ad422065c8c552755016b9f0c6fa5ad8dcb63f37f137 [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" "8555bfa68ce4b2c82f96ad422065c8c552755016b9f0c6fa5ad8dcb63f37f137", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling tail-watch v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | if (vec.len() <= 0) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let mut split = current_dir.split("/"); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | / inotify.add_watch( [INFO] [stdout] 31 | | current_dir, [INFO] [stdout] 32 | | WatchMask::MODIFY | WatchMask::CREATE | WatchMask::DELETE, [INFO] [stdout] 33 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.36s [INFO] running `Command { std: "docker" "inspect" "8555bfa68ce4b2c82f96ad422065c8c552755016b9f0c6fa5ad8dcb63f37f137", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8555bfa68ce4b2c82f96ad422065c8c552755016b9f0c6fa5ad8dcb63f37f137", kill_on_drop: false }` [INFO] [stdout] 8555bfa68ce4b2c82f96ad422065c8c552755016b9f0c6fa5ad8dcb63f37f137 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 972ae532f87861b2a9f128f76a176ec23c8c9292e4871052e2ec5045061a7e81 [INFO] running `Command { std: "docker" "start" "-a" "972ae532f87861b2a9f128f76a176ec23c8c9292e4871052e2ec5045061a7e81", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:26:8 [INFO] [stderr] | [INFO] [stderr] 26 | if (vec.len() <= 0) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let mut split = current_dir.split("/"); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | / inotify.add_watch( [INFO] [stderr] 31 | | current_dir, [INFO] [stderr] 32 | | WatchMask::MODIFY | WatchMask::CREATE | WatchMask::DELETE, [INFO] [stderr] 33 | | ); [INFO] [stderr] | |__________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/tail_watch-024167f924c7b915 [INFO] running `Command { std: "docker" "inspect" "972ae532f87861b2a9f128f76a176ec23c8c9292e4871052e2ec5045061a7e81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "972ae532f87861b2a9f128f76a176ec23c8c9292e4871052e2ec5045061a7e81", kill_on_drop: false }` [INFO] [stdout] 972ae532f87861b2a9f128f76a176ec23c8c9292e4871052e2ec5045061a7e81