[INFO] cloning repository https://github.com/matjazv/coding_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matjazv/coding_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatjazv%2Fcoding_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatjazv%2Fcoding_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] faef750eaeebaf91d10cda3393bbbccbd789006b
[INFO] checking matjazv/coding_test against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatjazv%2Fcoding_test" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/matjazv/coding_test
[INFO] finished tweaking git repo https://github.com/matjazv/coding_test
[INFO] tweaked toml for git repo https://github.com/matjazv/coding_test written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/matjazv/coding_test on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/matjazv/coding_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa1cb0262d6edd4df26ce5beef59bb41e12fe6e256f5f83b228a81aa3263b8d5
[INFO] running `Command { std: "docker" "start" "-a" "fa1cb0262d6edd4df26ce5beef59bb41e12fe6e256f5f83b228a81aa3263b8d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa1cb0262d6edd4df26ce5beef59bb41e12fe6e256f5f83b228a81aa3263b8d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa1cb0262d6edd4df26ce5beef59bb41e12fe6e256f5f83b228a81aa3263b8d5", kill_on_drop: false }`
[INFO] [stdout] fa1cb0262d6edd4df26ce5beef59bb41e12fe6e256f5f83b228a81aa3263b8d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d746898b37b6068c55a4bf70d077075b96fdc6d59679e69b6df11f0e564f7302
[INFO] running `Command { std: "docker" "start" "-a" "d746898b37b6068c55a4bf70d077075b96fdc6d59679e69b6df11f0e564f7302", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling rust_decimal v1.25.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking coding_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/account.rs:518:13
[INFO] [stdout]     |
[INFO] [stdout] 518 |         let mut transaction = account.transactions.get_mut(0).unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/account.rs:603:13
[INFO] [stdout]     |
[INFO] [stdout] 603 |         let mut transaction = account.transactions.get_mut(0).unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/account.rs:688:13
[INFO] [stdout]     |
[INFO] [stdout] 688 |         let mut transaction = account.transactions.get_mut(0).unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.45s
[INFO] running `Command { std: "docker" "inspect" "d746898b37b6068c55a4bf70d077075b96fdc6d59679e69b6df11f0e564f7302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d746898b37b6068c55a4bf70d077075b96fdc6d59679e69b6df11f0e564f7302", kill_on_drop: false }`
[INFO] [stdout] d746898b37b6068c55a4bf70d077075b96fdc6d59679e69b6df11f0e564f7302