[INFO] cloning repository https://github.com/btkramer9/solar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/btkramer9/solar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbtkramer9%2Fsolar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbtkramer9%2Fsolar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc4c22e91949599e1a0202247c486aa0a0aba6c2
[INFO] checking btkramer9/solar against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbtkramer9%2Fsolar" "/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/btkramer9/solar on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/btkramer9/solar
[INFO] finished tweaking git repo https://github.com/btkramer9/solar
[INFO] tweaked toml for git repo https://github.com/btkramer9/solar written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/btkramer9/solar already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 5d888b754edce64fb1ee552802ba879cf3f5959759ab8bf183b28b002ae4b63a
[INFO] running `Command { std: "docker" "start" "-a" "5d888b754edce64fb1ee552802ba879cf3f5959759ab8bf183b28b002ae4b63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d888b754edce64fb1ee552802ba879cf3f5959759ab8bf183b28b002ae4b63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d888b754edce64fb1ee552802ba879cf3f5959759ab8bf183b28b002ae4b63a", kill_on_drop: false }`
[INFO] [stdout] 5d888b754edce64fb1ee552802ba879cf3f5959759ab8bf183b28b002ae4b63a
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] b3b1836b8850c77dffdedb3c695025e850b0a83e66082084ab79d94aab0bd3a8
[INFO] running `Command { std: "docker" "start" "-a" "b3b1836b8850c77dffdedb3c695025e850b0a83e66082084ab79d94aab0bd3a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]     Checking openssl-probe v0.1.0
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.6.2
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]    Compiling libz-sys v1.0.13
[INFO] [stderr]    Compiling openssl-sys v0.9.7
[INFO] [stderr]    Compiling curl-sys v0.3.10
[INFO] [stderr]     Checking curl v0.4.6
[INFO] [stderr]     Checking solar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Write`, `stdout`
[INFO] [stdout]   --> src/main.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use std::io::{stdout, Write};
[INFO] [stdout]    |                   ^^^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `str` is imported redundantly
[INFO] [stdout]   --> src/main.rs:47:7
[INFO] [stdout]    |
[INFO] [stdout] 14 |     use std::str;
[INFO] [stdout]    |         -------- the item `str` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 47 |         use std::str;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]   --> src/main.rs:47:7
[INFO] [stdout]    |
[INFO] [stdout] 47 |         use std::str;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Write`, `stdout`
[INFO] [stdout]   --> src/main.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use std::io::{stdout, Write};
[INFO] [stdout]    |                   ^^^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `str` is imported redundantly
[INFO] [stdout]   --> src/main.rs:47:7
[INFO] [stdout]    |
[INFO] [stdout] 14 |     use std::str;
[INFO] [stdout]    |         -------- the item `str` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 47 |         use std::str;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]   --> src/main.rs:47:7
[INFO] [stdout]    |
[INFO] [stdout] 47 |         use std::str;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 55s
[INFO] running `Command { std: "docker" "inspect" "b3b1836b8850c77dffdedb3c695025e850b0a83e66082084ab79d94aab0bd3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3b1836b8850c77dffdedb3c695025e850b0a83e66082084ab79d94aab0bd3a8", kill_on_drop: false }`
[INFO] [stdout] b3b1836b8850c77dffdedb3c695025e850b0a83e66082084ab79d94aab0bd3a8