[INFO] cloning repository https://github.com/jvogit/rust_mr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jvogit/rust_mr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvogit%2Frust_mr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvogit%2Frust_mr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd110d6d53278c220dd7af79ae1d9b403c1f7a26
[INFO] checking jvogit/rust_mr against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvogit%2Frust_mr" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jvogit/rust_mr on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jvogit/rust_mr
[INFO] finished tweaking git repo https://github.com/jvogit/rust_mr
[INFO] tweaked toml for git repo https://github.com/jvogit/rust_mr written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jvogit/rust_mr 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5db9f0fd8aef3009592d103673549ae582aee002080f6b0e9e8efd009b0377d5
[INFO] running `Command { std: "docker" "start" "-a" "5db9f0fd8aef3009592d103673549ae582aee002080f6b0e9e8efd009b0377d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5db9f0fd8aef3009592d103673549ae582aee002080f6b0e9e8efd009b0377d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db9f0fd8aef3009592d103673549ae582aee002080f6b0e9e8efd009b0377d5", kill_on_drop: false }`
[INFO] [stdout] 5db9f0fd8aef3009592d103673549ae582aee002080f6b0e9e8efd009b0377d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96baed9ccc0dd464f21546a5748fd05291e9734dc57d160490932968bbc7c3e2
[INFO] running `Command { std: "docker" "start" "-a" "96baed9ccc0dd464f21546a5748fd05291e9734dc57d160490932968bbc7c3e2", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_mr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BinaryHeap`
[INFO] [stdout]  --> src/coordinator.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{BinaryHeap, HashMap, HashSet, VecDeque},
[INFO] [stdout]   |                   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `coordinator`
[INFO] [stdout]   --> src/coordinator.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::{coordinator, SOCKET};
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BinaryHeap`
[INFO] [stdout]  --> src/coordinator.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{BinaryHeap, HashMap, HashSet, VecDeque},
[INFO] [stdout]   |                   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `Mutex`
[INFO] [stdout]  --> src/worker.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     sync::{Arc, Mutex},
[INFO] [stdout]   |            ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `coordinator`
[INFO] [stdout]   --> src/coordinator.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::{coordinator, SOCKET};
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `Mutex`
[INFO] [stdout]  --> src/worker.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     sync::{Arc, Mutex},
[INFO] [stdout]   |            ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `M` should have a snake case name
[INFO] [stdout]   --> src/coordinator.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     M: usize,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `M` should have a snake case name
[INFO] [stdout]   --> src/coordinator.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     M: usize,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `R` should have a snake case name
[INFO] [stdout]   --> src/coordinator.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn R(&self) -> usize {
[INFO] [stdout]    |            ^ help: convert the identifier to snake case: `r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `R` should have a snake case name
[INFO] [stdout]   --> src/coordinator.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn R(&self) -> usize {
[INFO] [stdout]    |            ^ help: convert the identifier to snake case: `r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `M` should have a snake case name
[INFO] [stdout]   --> src/coordinator.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let M = 1;
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `M` should have a snake case name
[INFO] [stdout]   --> src/coordinator.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let M = 1;
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]   --> src/coordinator.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let R = 1;
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]   --> src/coordinator.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let R = 1;
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]   --> src/worker.rs:25:39
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn do_map(&mut self, path: &Path, R: usize) {
[INFO] [stdout]    |                                       ^ help: convert the identifier to snake case: `r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]   --> src/worker.rs:25:39
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn do_map(&mut self, path: &Path, R: usize) {
[INFO] [stdout]    |                                       ^ help: convert the identifier to snake case: `r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]    --> src/worker.rs:155:34
[INFO] [stdout]     |
[INFO] [stdout] 155 |                         let (at, R) = (res[1], res[2].parse::<usize>().unwrap());
[INFO] [stdout]     |                                  ^ help: convert the identifier to snake case: `r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]    --> src/worker.rs:155:34
[INFO] [stdout]     |
[INFO] [stdout] 155 |                         let (at, R) = (res[1], res[2].parse::<usize>().unwrap());
[INFO] [stdout]     |                                  ^ help: convert the identifier to snake case: `r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "96baed9ccc0dd464f21546a5748fd05291e9734dc57d160490932968bbc7c3e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96baed9ccc0dd464f21546a5748fd05291e9734dc57d160490932968bbc7c3e2", kill_on_drop: false }`
[INFO] [stdout] 96baed9ccc0dd464f21546a5748fd05291e9734dc57d160490932968bbc7c3e2