[INFO] cloning repository https://github.com/rschmertz/lis-parse-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rschmertz/lis-parse-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frschmertz%2Flis-parse-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frschmertz%2Flis-parse-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a0e9184f60034e84c8dc19ac05c9796152fd58f5 [INFO] checking rschmertz/lis-parse-rust against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frschmertz%2Flis-parse-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rschmertz/lis-parse-rust on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rschmertz/lis-parse-rust [INFO] finished tweaking git repo https://github.com/rschmertz/lis-parse-rust [INFO] tweaked toml for git repo https://github.com/rschmertz/lis-parse-rust written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/rschmertz/lis-parse-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded regex v0.1.44 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] 4c9327ca98eec3750f1f93b02c4488680e4db004765ad78ba5f4603c1b50b118 [INFO] running `Command { std: "docker" "start" "-a" "4c9327ca98eec3750f1f93b02c4488680e4db004765ad78ba5f4603c1b50b118", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c9327ca98eec3750f1f93b02c4488680e4db004765ad78ba5f4603c1b50b118", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c9327ca98eec3750f1f93b02c4488680e4db004765ad78ba5f4603c1b50b118", kill_on_drop: false }` [INFO] [stdout] 4c9327ca98eec3750f1f93b02c4488680e4db004765ad78ba5f4603c1b50b118 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5a736d7212cc3f69e95655b1d369ce5f70b15dc6aa505deed6657beda8008ff3 [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" "5a736d7212cc3f69e95655b1d369ce5f70b15dc6aa505deed6657beda8008ff3", kill_on_drop: false }` [INFO] [stderr] Checking unicode-segmentation v1.1.0 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking memchr v0.1.7 [INFO] [stderr] Checking term_size v0.2.2 [INFO] [stderr] Checking aho-corasick v0.4.0 [INFO] [stderr] Checking clap v2.20.4 [INFO] [stderr] Checking regex v0.1.44 [INFO] [stderr] Checking lis-parse-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Arg` [INFO] [stdout] --> src/main.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use clap::{App, Arg}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::BufReader` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::io::BufReader; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `tokenize` [INFO] [stdout] --> src/main.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn tokenize(s: &str) -> Vec<&str> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `line_get` [INFO] [stdout] --> src/main.rs:43:4 [INFO] [stdout] | [INFO] [stdout] 43 | fn line_get(li: &mut Lines) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Arg` [INFO] [stdout] --> src/main.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use clap::{App, Arg}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:99:68 [INFO] [stdout] | [INFO] [stdout] 99 | Err(why) => panic!("couldn't open {}: {}", display, Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line2` [INFO] [stdout] --> src/main.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | let line2 = line_get(&mut line_iter); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_line2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.35s [INFO] running `Command { std: "docker" "inspect" "5a736d7212cc3f69e95655b1d369ce5f70b15dc6aa505deed6657beda8008ff3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a736d7212cc3f69e95655b1d369ce5f70b15dc6aa505deed6657beda8008ff3", kill_on_drop: false }` [INFO] [stdout] 5a736d7212cc3f69e95655b1d369ce5f70b15dc6aa505deed6657beda8008ff3