[INFO] cloning repository https://github.com/Vonstrab/Mini-Zam
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vonstrab/Mini-Zam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVonstrab%2FMini-Zam"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVonstrab%2FMini-Zam'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 504208d134232830ab0046da5ec955a288ec92f0
[INFO] checking Vonstrab/Mini-Zam against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVonstrab%2FMini-Zam" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Vonstrab/Mini-Zam on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Vonstrab/Mini-Zam
[INFO] finished tweaking git repo https://github.com/Vonstrab/Mini-Zam
[INFO] tweaked toml for git repo https://github.com/Vonstrab/Mini-Zam written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Vonstrab/Mini-Zam already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1a61c79ed2cd099d308a64296487cc644b10764d55bfd62de7f30fc855866c59
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "1a61c79ed2cd099d308a64296487cc644b10764d55bfd62de7f30fc855866c59"`
[INFO] [stderr]     Checking Mini-ZAM v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/machine.rs:341:40
[INFO] [stderr]     |
[INFO] [stderr] 341 |                     self.extra_args += (n - 1);
[INFO] [stderr]     |                                        ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/machine.rs:341:40
[INFO] [stderr]     |
[INFO] [stderr] 341 |                     self.extra_args += (n - 1);
[INFO] [stderr]     |                                        ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/machine.rs:384:25
[INFO] [stderr]     |
[INFO] [stderr] 384 |                     for i in 1..*n {
[INFO] [stderr]     |                         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Mini_ZAM` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `mini_zam`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `labelsMap` should have a snake case name
[INFO] [stderr]   --> src/machine.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub labelsMap: HashMap<String, usize>,
[INFO] [stderr]    |         ^^^^^^^^^ help: convert the identifier to snake case: `labels_map`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/machine.rs:384:25
[INFO] [stderr]     |
[INFO] [stderr] 384 |                     for i in 1..*n {
[INFO] [stderr]     |                         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Mini_ZAM` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `mini_zam`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `labelsMap` should have a snake case name
[INFO] [stderr]   --> src/machine.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub labelsMap: HashMap<String, usize>,
[INFO] [stderr]    |         ^^^^^^^^^ help: convert the identifier to snake case: `labels_map`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `"docker" "inspect" "1a61c79ed2cd099d308a64296487cc644b10764d55bfd62de7f30fc855866c59"`
[INFO] running `"docker" "rm" "-f" "1a61c79ed2cd099d308a64296487cc644b10764d55bfd62de7f30fc855866c59"`
[INFO] [stdout] 1a61c79ed2cd099d308a64296487cc644b10764d55bfd62de7f30fc855866c59