[INFO] cloning repository https://github.com/shamb0/ref-rs-algo-archives
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shamb0/ref-rs-algo-archives" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshamb0%2Fref-rs-algo-archives", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshamb0%2Fref-rs-algo-archives'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45f278c94db87ae1d63d7d89bcb983c19b395749
[INFO] checking shamb0/ref-rs-algo-archives against 4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d for pr-159598
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshamb0%2Fref-rs-algo-archives" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shamb0/ref-rs-algo-archives
[INFO] finished tweaking git repo https://github.com/shamb0/ref-rs-algo-archives
[INFO] tweaked toml for git repo https://github.com/shamb0/ref-rs-algo-archives written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shamb0/ref-rs-algo-archives on toolchain 4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shamb0/ref-rs-algo-archives 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" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.18
[INFO] [stderr]   Downloaded zerocopy v0.6.6
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded half v1.8.3
[INFO] [stderr]   Downloaded serde_cbor v0.11.2
[INFO] [stderr]   Downloaded serde_json v1.0.121
[INFO] [stderr]   Downloaded zerocopy-derive v0.6.6
[INFO] [stderr]   Downloaded criterion v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c3408611b3b1b94ae0e908d9968dd98928b201b8b8bc9f7b488bfb0c9ce0e305
[INFO] running `Command { std: "docker" "start" "c3408611b3b1b94ae0e908d9968dd98928b201b8b8bc9f7b488bfb0c9ce0e305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3408611b3b1b94ae0e908d9968dd98928b201b8b8bc9f7b488bfb0c9ce0e305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c3408611b3b1b94ae0e908d9968dd98928b201b8b8bc9f7b488bfb0c9ce0e305" "/opt/rustwide/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3408611b3b1b94ae0e908d9968dd98928b201b8b8bc9f7b488bfb0c9ce0e305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c3408611b3b1b94ae0e908d9968dd98928b201b8b8bc9f7b488bfb0c9ce0e305" "/opt/rustwide/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling serde_json v1.0.121
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking plotters-backend v0.3.6
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking oorandom v11.1.4
[INFO] [stderr]     Checking v2_iterative v0.1.0 (/opt/rustwide/workdir/examples/v2_iterative)
[INFO] [stderr]     Checking v1_recursive v0.1.0 (/opt/rustwide/workdir/examples/v1_recursive)
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> examples/v1_recursive/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> examples/v1_recursive/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/v1_recursive/src/lib.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut blocks = vec![];
[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]   --> examples/v1_recursive/src/lib.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut blocks = vec![Block { balance: 100 }];
[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]   --> examples/v1_recursive/src/lib.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut blocks = vec![
[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]   --> examples/v1_recursive/src/lib.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let mut blocks = vec![
[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]   --> examples/v1_recursive/src/lib.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut blocks = vec![
[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]   --> examples/v1_recursive/src/lib.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut blocks = vec![
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking plotters-svg v0.3.6
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking plotters v0.3.6
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.6.6
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking zerocopy v0.6.6
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.18
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking balance-change-detection v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.50s
[INFO] running `Command { std: "docker" "inspect" "c3408611b3b1b94ae0e908d9968dd98928b201b8b8bc9f7b488bfb0c9ce0e305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3408611b3b1b94ae0e908d9968dd98928b201b8b8bc9f7b488bfb0c9ce0e305", kill_on_drop: false }`
[INFO] [stdout] c3408611b3b1b94ae0e908d9968dd98928b201b8b8bc9f7b488bfb0c9ce0e305
