[INFO] cloning repository https://github.com/TheSlothSage/RandomProjectName
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheSlothSage/RandomProjectName" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheSlothSage%2FRandomProjectName", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheSlothSage%2FRandomProjectName'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8c20c9c7c5f7fed439e0e3e4b78a91e2bd40019
[INFO] checking TheSlothSage/RandomProjectName against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheSlothSage%2FRandomProjectName" "/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/TheSlothSage/RandomProjectName on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheSlothSage/RandomProjectName
[INFO] finished tweaking git repo https://github.com/TheSlothSage/RandomProjectName
[INFO] tweaked toml for git repo https://github.com/TheSlothSage/RandomProjectName written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/TheSlothSage/RandomProjectName already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56f3c4022886c687347251ddc9a9b61476e37f5a9af6b7c9244f7ca92e479c8e
[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" "56f3c4022886c687347251ddc9a9b61476e37f5a9af6b7c9244f7ca92e479c8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56f3c4022886c687347251ddc9a9b61476e37f5a9af6b7c9244f7ca92e479c8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f3c4022886c687347251ddc9a9b61476e37f5a9af6b7c9244f7ca92e479c8e", kill_on_drop: false }`
[INFO] [stdout] 56f3c4022886c687347251ddc9a9b61476e37f5a9af6b7c9244f7ca92e479c8e
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b9ba5ea6ac4b02ba66cae8550c040b9e03add2bdbd7d6e523065797eaa25f00
[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" "6b9ba5ea6ac4b02ba66cae8550c040b9e03add2bdbd7d6e523065797eaa25f00", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking text_io v0.1.7
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking rand v0.5.4
[INFO] [stderr]     Checking RandomProjectName v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `io`, `vec`
[INFO] [stdout]  --> src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{io, io::prelude::*, fs::File, vec, io::BufReader};
[INFO] [stdout]   |           ^^                            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `io`, `vec`
[INFO] [stdout]  --> src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{io, io::prelude::*, fs::File, vec, io::BufReader};
[INFO] [stdout]   |           ^^                            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `RandomProjectName` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `random_project_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `RandomProjectName` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `random_project_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.76s
[INFO] running `Command { std: "docker" "inspect" "6b9ba5ea6ac4b02ba66cae8550c040b9e03add2bdbd7d6e523065797eaa25f00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b9ba5ea6ac4b02ba66cae8550c040b9e03add2bdbd7d6e523065797eaa25f00", kill_on_drop: false }`
[INFO] [stdout] 6b9ba5ea6ac4b02ba66cae8550c040b9e03add2bdbd7d6e523065797eaa25f00