[INFO] cloning repository https://github.com/Net-Rusters/most-frequent-word [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Net-Rusters/most-frequent-word" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNet-Rusters%2Fmost-frequent-word", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNet-Rusters%2Fmost-frequent-word'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] abeca01cc74949c8c52e62bbecc2e5302deffa01 [INFO] testing Net-Rusters/most-frequent-word against try#1b74e096b9bfb06f84a3007193dcd2f059cbdf6a for pr-96025 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNet-Rusters%2Fmost-frequent-word" "/workspace/builds/worker-113/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-113/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Net-Rusters/most-frequent-word on toolchain 1b74e096b9bfb06f84a3007193dcd2f059cbdf6a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Net-Rusters/most-frequent-word [INFO] finished tweaking git repo https://github.com/Net-Rusters/most-frequent-word [INFO] tweaked toml for git repo https://github.com/Net-Rusters/most-frequent-word written to /workspace/builds/worker-113/source/Cargo.toml [INFO] crate git repo https://github.com/Net-Rusters/most-frequent-word already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 729e1a1565b4c4dedcad42a01a68d842e15e44bb47458074ef008fccf859c5d3 [INFO] running `Command { std: "docker" "start" "-a" "729e1a1565b4c4dedcad42a01a68d842e15e44bb47458074ef008fccf859c5d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "729e1a1565b4c4dedcad42a01a68d842e15e44bb47458074ef008fccf859c5d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "729e1a1565b4c4dedcad42a01a68d842e15e44bb47458074ef008fccf859c5d3", kill_on_drop: false }` [INFO] [stdout] 729e1a1565b4c4dedcad42a01a68d842e15e44bb47458074ef008fccf859c5d3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 705e219d8025f262e82c678a6d80a5d6abdc5edd27b8b34e0c04eb28f084f4f8 [INFO] running `Command { std: "docker" "start" "-a" "705e219d8025f262e82c678a6d80a5d6abdc5edd27b8b34e0c04eb28f084f4f8", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling command-line-applications v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/main.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, BufReader, BufRead}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `why` [INFO] [stdout] --> src/main.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | Err(why) => panic!("Could not open the file {}", display), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_why` [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:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let mut file = match File::open(&path) { [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:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | let mut word_string = line_string.to_string(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | let mut split = word_string.split(" "); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 48s [INFO] running `Command { std: "docker" "inspect" "705e219d8025f262e82c678a6d80a5d6abdc5edd27b8b34e0c04eb28f084f4f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "705e219d8025f262e82c678a6d80a5d6abdc5edd27b8b34e0c04eb28f084f4f8", kill_on_drop: false }` [INFO] [stdout] 705e219d8025f262e82c678a6d80a5d6abdc5edd27b8b34e0c04eb28f084f4f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e85836956c67169b7d992e3f111f3d9aa76d38ccf9bf3ffa9fd9f11d5bc93c22 [INFO] running `Command { std: "docker" "start" "-a" "e85836956c67169b7d992e3f111f3d9aa76d38ccf9bf3ffa9fd9f11d5bc93c22", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling command-line-applications v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/main.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, BufReader, BufRead}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `why` [INFO] [stdout] --> src/main.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | Err(why) => panic!("Could not open the file {}", display), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_why` [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:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let mut file = match File::open(&path) { [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:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | let mut word_string = line_string.to_string(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | let mut split = word_string.split(" "); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 6.35s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/command_line_applications-5e519dc687e016c6) [INFO] running `Command { std: "docker" "inspect" "e85836956c67169b7d992e3f111f3d9aa76d38ccf9bf3ffa9fd9f11d5bc93c22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e85836956c67169b7d992e3f111f3d9aa76d38ccf9bf3ffa9fd9f11d5bc93c22", kill_on_drop: false }` [INFO] [stdout] e85836956c67169b7d992e3f111f3d9aa76d38ccf9bf3ffa9fd9f11d5bc93c22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 00d76e7c29b39e65321bdfa37422504df04bb48ef2c106b1e0ce16e175065832 [INFO] running `Command { std: "docker" "start" "-a" "00d76e7c29b39e65321bdfa37422504df04bb48ef2c106b1e0ce16e175065832", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> src/main.rs:4:15 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::{self, BufReader, BufRead}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `why` [INFO] [stderr] --> src/main.rs:23:13 [INFO] [stderr] | [INFO] [stderr] 23 | Err(why) => panic!("Could not open the file {}", display), [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_why` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` 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 file = match File::open(&path) { [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:34:17 [INFO] [stderr] | [INFO] [stderr] 34 | let mut word_string = line_string.to_string(); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:35:17 [INFO] [stderr] | [INFO] [stderr] 35 | let mut split = word_string.split(" "); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `command-line-applications` (bin "command-line-applications" test) generated 5 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.09s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/command_line_applications-5e519dc687e016c6) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "00d76e7c29b39e65321bdfa37422504df04bb48ef2c106b1e0ce16e175065832", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00d76e7c29b39e65321bdfa37422504df04bb48ef2c106b1e0ce16e175065832", kill_on_drop: false }` [INFO] [stdout] 00d76e7c29b39e65321bdfa37422504df04bb48ef2c106b1e0ce16e175065832