[INFO] cloning repository https://github.com/tomasz-pankowski/rust-class-ps1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomasz-pankowski/rust-class-ps1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomasz-pankowski%2Frust-class-ps1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomasz-pankowski%2Frust-class-ps1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f97feee69ac50a6c831ca73fe4211eebb8e89f69
[INFO] checking tomasz-pankowski/rust-class-ps1 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomasz-pankowski%2Frust-class-ps1" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomasz-pankowski/rust-class-ps1 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomasz-pankowski/rust-class-ps1
[INFO] finished tweaking git repo https://github.com/tomasz-pankowski/rust-class-ps1
[INFO] tweaked toml for git repo https://github.com/tomasz-pankowski/rust-class-ps1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tomasz-pankowski/rust-class-ps1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d9600eeaddebacee922b58a4969606a97a480878bf5110a89122b030f83791d
[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" "5d9600eeaddebacee922b58a4969606a97a480878bf5110a89122b030f83791d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d9600eeaddebacee922b58a4969606a97a480878bf5110a89122b030f83791d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d9600eeaddebacee922b58a4969606a97a480878bf5110a89122b030f83791d", kill_on_drop: false }`
[INFO] [stdout] 5d9600eeaddebacee922b58a4969606a97a480878bf5110a89122b030f83791d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cccc36203cb2d894f93bb6052aabcdbe1209fe1e024f4524b2ce0a49ec383f23
[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" "cccc36203cb2d894f93bb6052aabcdbe1209fe1e024f4524b2ce0a49ec383f23", kill_on_drop: false }`
[INFO] [stderr]     Checking ps1 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `why`
[INFO] [stdout]   --> src/main.rs:57:32
[INFO] [stdout]    |
[INFO] [stdout] 57 | ...                   Err(why) => panic!("couldn't open"),
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_why`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `why`
[INFO] [stdout]   --> src/main.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 | ...                   Err(why) => panic!("couldn't read "),
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_why`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `response_default` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:72:10
[INFO] [stdout]    |
[INFO] [stdout] 72 |                     let response_default;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_response_default` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `response_default` is never read
[INFO] [stdout]   --> src/main.rs:74:7
[INFO] [stdout]    |
[INFO] [stdout] 74 |                         response_default =format!(
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `why`
[INFO] [stdout]   --> src/main.rs:57:32
[INFO] [stdout]    |
[INFO] [stdout] 57 | ...                   Err(why) => panic!("couldn't open"),
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_why`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `why`
[INFO] [stdout]   --> src/main.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 | ...                   Err(why) => panic!("couldn't read "),
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_why`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `response_default` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:72:10
[INFO] [stdout]    |
[INFO] [stdout] 72 |                     let response_default;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_response_default` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `response_default` is never read
[INFO] [stdout]   --> src/main.rs:74:7
[INFO] [stdout]    |
[INFO] [stdout] 74 |                         response_default =format!(
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `counter` should have an upper case name
[INFO] [stdout]   --> src/main.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |     static mut counter: i32 = 0;
[INFO] [stdout]    |                ^^^^^^^ help: convert the identifier to upper case: `COUNTER`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `counter` should have an upper case name
[INFO] [stdout]   --> src/main.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |     static mut counter: i32 = 0;
[INFO] [stdout]    |                ^^^^^^^ help: convert the identifier to upper case: `COUNTER`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "cccc36203cb2d894f93bb6052aabcdbe1209fe1e024f4524b2ce0a49ec383f23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cccc36203cb2d894f93bb6052aabcdbe1209fe1e024f4524b2ce0a49ec383f23", kill_on_drop: false }`
[INFO] [stdout] cccc36203cb2d894f93bb6052aabcdbe1209fe1e024f4524b2ce0a49ec383f23