[INFO] cloning repository https://github.com/eyingxuan/derustify
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eyingxuan/derustify" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feyingxuan%2Fderustify", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feyingxuan%2Fderustify'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a65cd51603451946bacb8e48c12bef0b6129d9f1
[INFO] checking eyingxuan/derustify against try#5fee451ebd94296ea05214e819c311e164b30af6 for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feyingxuan%2Fderustify" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eyingxuan/derustify on toolchain 5fee451ebd94296ea05214e819c311e164b30af6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eyingxuan/derustify
[INFO] finished tweaking git repo https://github.com/eyingxuan/derustify
[INFO] tweaked toml for git repo https://github.com/eyingxuan/derustify written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/eyingxuan/derustify 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" "+5fee451ebd94296ea05214e819c311e164b30af6" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 386a8b47296bbde71c93f164d622dcd96aed43cd3a9a5f5576f9fbcfbb7adf80
[INFO] running `Command { std: "docker" "start" "-a" "386a8b47296bbde71c93f164d622dcd96aed43cd3a9a5f5576f9fbcfbb7adf80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "386a8b47296bbde71c93f164d622dcd96aed43cd3a9a5f5576f9fbcfbb7adf80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "386a8b47296bbde71c93f164d622dcd96aed43cd3a9a5f5576f9fbcfbb7adf80", kill_on_drop: false }`
[INFO] [stdout] 386a8b47296bbde71c93f164d622dcd96aed43cd3a9a5f5576f9fbcfbb7adf80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe55084ca1bca1259b5ddbd8325f4c4fd2ceb8540d880c2dd90f5cab16435789
[INFO] running `Command { std: "docker" "start" "-a" "fe55084ca1bca1259b5ddbd8325f4c4fd2ceb8540d880c2dd90f5cab16435789", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking rustyline v6.2.0
[INFO] [stderr]     Checking derustify v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `disable_breakpoint` is never used
[INFO] [stdout]   --> src/debugger/breakpoint.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Breakpoint {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn disable_breakpoint(&mut self) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pid` is never read
[INFO] [stdout]   --> src/debugger/debugger.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Debugger {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 11 |     pid: Pid,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `disable_breakpoint` is never used
[INFO] [stdout]   --> src/debugger/breakpoint.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Breakpoint {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn disable_breakpoint(&mut self) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pid` is never read
[INFO] [stdout]   --> src/debugger/debugger.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Debugger {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 11 |     pid: Pid,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.43s
[INFO] running `Command { std: "docker" "inspect" "fe55084ca1bca1259b5ddbd8325f4c4fd2ceb8540d880c2dd90f5cab16435789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe55084ca1bca1259b5ddbd8325f4c4fd2ceb8540d880c2dd90f5cab16435789", kill_on_drop: false }`
[INFO] [stdout] fe55084ca1bca1259b5ddbd8325f4c4fd2ceb8540d880c2dd90f5cab16435789