[INFO] cloning repository https://github.com/italicsjenga/ableton-rack-converter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/italicsjenga/ableton-rack-converter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitalicsjenga%2Fableton-rack-converter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitalicsjenga%2Fableton-rack-converter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b4955e29cc5e857d1073864a48ec5aa34172988
[INFO] checking italicsjenga/ableton-rack-converter against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitalicsjenga%2Fableton-rack-converter" "/workspace/builds/worker-89/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-89/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/italicsjenga/ableton-rack-converter on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/italicsjenga/ableton-rack-converter
[INFO] finished tweaking git repo https://github.com/italicsjenga/ableton-rack-converter
[INFO] tweaked toml for git repo https://github.com/italicsjenga/ableton-rack-converter written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] crate git repo https://github.com/italicsjenga/ableton-rack-converter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a714f46ca1c586cf649ea9e77a09be9b99de3e43be14ac46a1a8a9468c603066
[INFO] running `Command { std: "docker" "start" "-a" "a714f46ca1c586cf649ea9e77a09be9b99de3e43be14ac46a1a8a9468c603066", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a714f46ca1c586cf649ea9e77a09be9b99de3e43be14ac46a1a8a9468c603066", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a714f46ca1c586cf649ea9e77a09be9b99de3e43be14ac46a1a8a9468c603066", kill_on_drop: false }`
[INFO] [stdout] a714f46ca1c586cf649ea9e77a09be9b99de3e43be14ac46a1a8a9468c603066
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b180fd172f750b0f3859f3df93c9749eb6f8948040c3a0abd0a44dca5df1deb
[INFO] running `Command { std: "docker" "start" "-a" "8b180fd172f750b0f3859f3df93c9749eb6f8948040c3a0abd0a44dca5df1deb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking xml_dom v0.2.5
[INFO] [stderr]     Checking ableton-rack-converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/fixers.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn fix_overwrite_protection(node: &mut RefNode) {}
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/fixers.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn fix_overwrite_protection(node: &mut RefNode) {}
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 6.43s
[INFO] running `Command { std: "docker" "inspect" "8b180fd172f750b0f3859f3df93c9749eb6f8948040c3a0abd0a44dca5df1deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b180fd172f750b0f3859f3df93c9749eb6f8948040c3a0abd0a44dca5df1deb", kill_on_drop: false }`
[INFO] [stdout] 8b180fd172f750b0f3859f3df93c9749eb6f8948040c3a0abd0a44dca5df1deb