[INFO] cloning repository https://github.com/mattleong/Fire-Phasers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattleong/Fire-Phasers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattleong%2FFire-Phasers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattleong%2FFire-Phasers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ebdfab5c8197def57df978afb0cca22916d3933
[INFO] checking mattleong/Fire-Phasers against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattleong%2FFire-Phasers" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattleong/Fire-Phasers on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mattleong/Fire-Phasers
[INFO] finished tweaking git repo https://github.com/mattleong/Fire-Phasers
[INFO] tweaked toml for git repo https://github.com/mattleong/Fire-Phasers written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mattleong/Fire-Phasers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d000cccf79662a9fa2f7c15b5b86769c0d25ef3b8938866a88f38c965ed046fa
[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" "d000cccf79662a9fa2f7c15b5b86769c0d25ef3b8938866a88f38c965ed046fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d000cccf79662a9fa2f7c15b5b86769c0d25ef3b8938866a88f38c965ed046fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d000cccf79662a9fa2f7c15b5b86769c0d25ef3b8938866a88f38c965ed046fa", kill_on_drop: false }`
[INFO] [stdout] d000cccf79662a9fa2f7c15b5b86769c0d25ef3b8938866a88f38c965ed046fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad305fb4443b68545cd1f1a2ceb8f95a71cdab6d9141e755505ef5ec623d47a7
[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" "ad305fb4443b68545cd1f1a2ceb8f95a71cdab6d9141e755505ef5ec623d47a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking fire_phasers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/lib/util.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/lib/util.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/lib/util.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/lib/util.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CONFIG_PATH`
[INFO] [stdout]   --> src/lib/util.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | const CONFIG_PATH: &str = "../../.fprc.json";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Task`
[INFO] [stdout]   --> src/lib/util.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Task {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CONFIG_PATH`
[INFO] [stdout]   --> src/lib/util.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | const CONFIG_PATH: &str = "../../.fprc.json";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Task`
[INFO] [stdout]   --> src/lib/util.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Task {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.13s
[INFO] running `Command { std: "docker" "inspect" "ad305fb4443b68545cd1f1a2ceb8f95a71cdab6d9141e755505ef5ec623d47a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad305fb4443b68545cd1f1a2ceb8f95a71cdab6d9141e755505ef5ec623d47a7", kill_on_drop: false }`
[INFO] [stdout] ad305fb4443b68545cd1f1a2ceb8f95a71cdab6d9141e755505ef5ec623d47a7