[INFO] cloning repository https://github.com/hacmorgan/csv-plot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hacmorgan/csv-plot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhacmorgan%2Fcsv-plot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhacmorgan%2Fcsv-plot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 616a89ce630e363e0cafdb52cda02cd82d449383
[INFO] checking hacmorgan/csv-plot against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhacmorgan%2Fcsv-plot" "/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/hacmorgan/csv-plot on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hacmorgan/csv-plot
[INFO] finished tweaking git repo https://github.com/hacmorgan/csv-plot
[INFO] tweaked toml for git repo https://github.com/hacmorgan/csv-plot written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/hacmorgan/csv-plot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "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" "+1c5262aa6c045a581fb974488793f09ed51fc498" "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] b1cb46adb132a2a56dbd44d61b56595904bf0e0aa07a7d10a7aef41a3ed0b555
[INFO] running `Command { std: "docker" "start" "-a" "b1cb46adb132a2a56dbd44d61b56595904bf0e0aa07a7d10a7aef41a3ed0b555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1cb46adb132a2a56dbd44d61b56595904bf0e0aa07a7d10a7aef41a3ed0b555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1cb46adb132a2a56dbd44d61b56595904bf0e0aa07a7d10a7aef41a3ed0b555", kill_on_drop: false }`
[INFO] [stdout] b1cb46adb132a2a56dbd44d61b56595904bf0e0aa07a7d10a7aef41a3ed0b555
[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" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a71d52ff0c1a4a76c089868f7d42179d56ead0d3ba6a4fe24e7c51ea12c540e1
[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" "a71d52ff0c1a4a76c089868f7d42179d56ead0d3ba6a4fe24e7c51ea12c540e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking gnuplot v0.0.37
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking csv-plot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]   --> src/args.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 |         if let Some( arg ) = args.value_of("verbose") {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]   --> src/args.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 |         if let Some( arg ) = args.value_of("verbose") {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_verbose`
[INFO] [stdout]  --> src/args.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn check_verbose( args : &clap::ArgMatches<'static> )
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_verbose`
[INFO] [stdout]  --> src/args.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn check_verbose( args : &clap::ArgMatches<'static> )
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.72s
[INFO] running `Command { std: "docker" "inspect" "a71d52ff0c1a4a76c089868f7d42179d56ead0d3ba6a4fe24e7c51ea12c540e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a71d52ff0c1a4a76c089868f7d42179d56ead0d3ba6a4fe24e7c51ea12c540e1", kill_on_drop: false }`
[INFO] [stdout] a71d52ff0c1a4a76c089868f7d42179d56ead0d3ba6a4fe24e7c51ea12c540e1