[INFO] cloning repository https://github.com/move-z/adventofcode2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/move-z/adventofcode2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmove-z%2Fadventofcode2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmove-z%2Fadventofcode2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9116f21648a1a6990256d1e8dbcdace77a5550f
[INFO] checking move-z/adventofcode2018 against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmove-z%2Fadventofcode2018" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/move-z/adventofcode2018 on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/move-z/adventofcode2018
[INFO] finished tweaking git repo https://github.com/move-z/adventofcode2018
[INFO] tweaked toml for git repo https://github.com/move-z/adventofcode2018 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/move-z/adventofcode2018 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" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8-ranges v1.0.2
[INFO] [stderr]   Downloaded memchr v2.2.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.5
[INFO] [stderr]   Downloaded either v1.5.1
[INFO] [stderr]   Downloaded itertools v0.8.0
[INFO] [stderr]   Downloaded ucd-util v0.1.3
[INFO] [stderr]   Downloaded regex v1.1.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f21d360a8b633dde9153cb912a2852a782afa4b1443676f4748848c71a00d220
[INFO] running `Command { std: "docker" "start" "-a" "f21d360a8b633dde9153cb912a2852a782afa4b1443676f4748848c71a00d220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f21d360a8b633dde9153cb912a2852a782afa4b1443676f4748848c71a00d220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21d360a8b633dde9153cb912a2852a782afa4b1443676f4748848c71a00d220", kill_on_drop: false }`
[INFO] [stdout] f21d360a8b633dde9153cb912a2852a782afa4b1443676f4748848c71a00d220
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb9ffdc0315c3f2aedfca936400bb989c52cdfecca264bdf7e2fbc8a26e8a219
[INFO] running `Command { std: "docker" "start" "-a" "fb9ffdc0315c3f2aedfca936400bb989c52cdfecca264bdf7e2fbc8a26e8a219", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking adventofcode2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/bin/day21.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "fb9ffdc0315c3f2aedfca936400bb989c52cdfecca264bdf7e2fbc8a26e8a219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb9ffdc0315c3f2aedfca936400bb989c52cdfecca264bdf7e2fbc8a26e8a219", kill_on_drop: false }`
[INFO] [stdout] fb9ffdc0315c3f2aedfca936400bb989c52cdfecca264bdf7e2fbc8a26e8a219
[INFO] checking move-z/adventofcode2018 against try#047472f299946caf090d1b5608ae4bd9f0416256+rustflags=-Ddereferencing_mut_binding for pr-120095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmove-z%2Fadventofcode2018" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/move-z/adventofcode2018 on toolchain 047472f299946caf090d1b5608ae4bd9f0416256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/move-z/adventofcode2018
[INFO] finished tweaking git repo https://github.com/move-z/adventofcode2018
[INFO] tweaked toml for git repo https://github.com/move-z/adventofcode2018 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/move-z/adventofcode2018 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" "+047472f299946caf090d1b5608ae4bd9f0416256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eaa84f694164a408e875cafc30b71621581fb58027ed932d7326bffeb2bb0cb6
[INFO] running `Command { std: "docker" "start" "-a" "eaa84f694164a408e875cafc30b71621581fb58027ed932d7326bffeb2bb0cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaa84f694164a408e875cafc30b71621581fb58027ed932d7326bffeb2bb0cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaa84f694164a408e875cafc30b71621581fb58027ed932d7326bffeb2bb0cb6", kill_on_drop: false }`
[INFO] [stdout] eaa84f694164a408e875cafc30b71621581fb58027ed932d7326bffeb2bb0cb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Ddereferencing_mut_binding" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e4fb25afdfd12c9df76e445bc6c2a5d35e16e17b90dde0d58296538a593be62
[INFO] running `Command { std: "docker" "start" "-a" "7e4fb25afdfd12c9df76e445bc6c2a5d35e16e17b90dde0d58296538a593be62", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking adventofcode2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/bin/day21.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: dereferencing `mut` binding
[INFO] [stdout]    --> src/bin/day15.rs:175:22
[INFO] [stdout]     |
[INFO] [stdout] 175 |         if let Some((mut tgt, mut path)) = targets.first() {
[INFO] [stdout]     |                      ^^^^^^^ `mut` dereferences the type of this binding
[INFO] [stdout]     |
[INFO] [stdout] help: this will change in edition 2024
[INFO] [stdout]    --> src/bin/day15.rs:175:22
[INFO] [stdout]     |
[INFO] [stdout] 175 |         if let Some((mut tgt, mut path)) = targets.first() {
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout]     = note: requested on the command line with `-D dereferencing-mut-binding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: dereferencing `mut` binding
[INFO] [stdout]    --> src/bin/day15.rs:175:31
[INFO] [stdout]     |
[INFO] [stdout] 175 |         if let Some((mut tgt, mut path)) = targets.first() {
[INFO] [stdout]     |                               ^^^^^^^^ `mut` dereferences the type of this binding
[INFO] [stdout]     |
[INFO] [stdout] help: this will change in edition 2024
[INFO] [stdout]    --> src/bin/day15.rs:175:31
[INFO] [stdout]     |
[INFO] [stdout] 175 |         if let Some((mut tgt, mut path)) = targets.first() {
[INFO] [stdout]     |                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `adventofcode2018` (bin "day15") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: dereferencing `mut` binding
[INFO] [stdout]    --> src/bin/day15.rs:175:22
[INFO] [stdout]     |
[INFO] [stdout] 175 |         if let Some((mut tgt, mut path)) = targets.first() {
[INFO] [stdout]     |                      ^^^^^^^ `mut` dereferences the type of this binding
[INFO] [stdout]     |
[INFO] [stdout] help: this will change in edition 2024
[INFO] [stdout]    --> src/bin/day15.rs:175:22
[INFO] [stdout]     |
[INFO] [stdout] 175 |         if let Some((mut tgt, mut path)) = targets.first() {
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout]     = note: requested on the command line with `-D dereferencing-mut-binding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: dereferencing `mut` binding
[INFO] [stdout]    --> src/bin/day15.rs:175:31
[INFO] [stdout]     |
[INFO] [stdout] 175 |         if let Some((mut tgt, mut path)) = targets.first() {
[INFO] [stdout]     |                               ^^^^^^^^ `mut` dereferences the type of this binding
[INFO] [stdout]     |
[INFO] [stdout] help: this will change in edition 2024
[INFO] [stdout]    --> src/bin/day15.rs:175:31
[INFO] [stdout]     |
[INFO] [stdout] 175 |         if let Some((mut tgt, mut path)) = targets.first() {
[INFO] [stdout]     |                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `adventofcode2018` (bin "day15" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "7e4fb25afdfd12c9df76e445bc6c2a5d35e16e17b90dde0d58296538a593be62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e4fb25afdfd12c9df76e445bc6c2a5d35e16e17b90dde0d58296538a593be62", kill_on_drop: false }`
[INFO] [stdout] 7e4fb25afdfd12c9df76e445bc6c2a5d35e16e17b90dde0d58296538a593be62