[INFO] cloning repository https://github.com/mightypenguin/transactions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mightypenguin/transactions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmightypenguin%2Ftransactions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmightypenguin%2Ftransactions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae17000a55f112551fdf7da80307ea80252ae578
[INFO] checking mightypenguin/transactions against master#5dbf4069dc98bbbca98dd600a65f50c258fbfd56 for pr-148477-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmightypenguin%2Ftransactions" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mightypenguin/transactions
[INFO] finished tweaking git repo https://github.com/mightypenguin/transactions
[INFO] tweaked toml for git repo https://github.com/mightypenguin/transactions written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mightypenguin/transactions on toolchain 5dbf4069dc98bbbca98dd600a65f50c258fbfd56
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5dbf4069dc98bbbca98dd600a65f50c258fbfd56" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mightypenguin/transactions 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" "+5dbf4069dc98bbbca98dd600a65f50c258fbfd56" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded az v1.2.0
[INFO] [stderr]   Downloaded rug v1.15.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+5dbf4069dc98bbbca98dd600a65f50c258fbfd56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62b5ce6ab546b887ea33b012dfbcbd3f830463670cc77cb775bc7cf3cf9ee1f2
[INFO] running `Command { std: "docker" "start" "-a" "62b5ce6ab546b887ea33b012dfbcbd3f830463670cc77cb775bc7cf3cf9ee1f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62b5ce6ab546b887ea33b012dfbcbd3f830463670cc77cb775bc7cf3cf9ee1f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b5ce6ab546b887ea33b012dfbcbd3f830463670cc77cb775bc7cf3cf9ee1f2", kill_on_drop: false }`
[INFO] [stdout] 62b5ce6ab546b887ea33b012dfbcbd3f830463670cc77cb775bc7cf3cf9ee1f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+5dbf4069dc98bbbca98dd600a65f50c258fbfd56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5c48436c98a4ac7e00639b3e04fff4c3d8273ba8aa34e5314dd38bf5ed94df2
[INFO] running `Command { std: "docker" "start" "-a" "c5c48436c98a4ac7e00639b3e04fff4c3d8273ba8aa34e5314dd38bf5ed94df2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.8
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling rug v1.15.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking transactions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let mut account = accounts.get_mut(&txn.client).unwrap(); //if check/insert failed, then we should probably panic
[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/main.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let mut account = accounts.get_mut(&txn.client).unwrap(); //if check/insert failed, then we should probably panic
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 48s
[INFO] running `Command { std: "docker" "inspect" "c5c48436c98a4ac7e00639b3e04fff4c3d8273ba8aa34e5314dd38bf5ed94df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5c48436c98a4ac7e00639b3e04fff4c3d8273ba8aa34e5314dd38bf5ed94df2", kill_on_drop: false }`
[INFO] [stdout] c5c48436c98a4ac7e00639b3e04fff4c3d8273ba8aa34e5314dd38bf5ed94df2
