[INFO] cloning repository https://github.com/seanpray/dtc-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seanpray/dtc-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanpray%2Fdtc-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanpray%2Fdtc-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e30538472c969305232fd28c56b174cc3f12ccef
[INFO] checking seanpray/dtc-rs against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanpray%2Fdtc-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/seanpray/dtc-rs
[INFO] finished tweaking git repo https://github.com/seanpray/dtc-rs
[INFO] tweaked toml for git repo https://github.com/seanpray/dtc-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/seanpray/dtc-rs on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/seanpray/dtc-rs 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 399d3f21dd1fb99282b4a45be6fec4c23549bb070635e024ac21608b3d00eeb6
[INFO] running `Command { std: "docker" "start" "-a" "399d3f21dd1fb99282b4a45be6fec4c23549bb070635e024ac21608b3d00eeb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "399d3f21dd1fb99282b4a45be6fec4c23549bb070635e024ac21608b3d00eeb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "399d3f21dd1fb99282b4a45be6fec4c23549bb070635e024ac21608b3d00eeb6", kill_on_drop: false }`
[INFO] [stdout] 399d3f21dd1fb99282b4a45be6fec4c23549bb070635e024ac21608b3d00eeb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20ee2c16a53ddf4141a7842896dc82432d4217400ec787ccfd2198ebbc10da30
[INFO] running `Command { std: "docker" "start" "-a" "20ee2c16a53ddf4141a7842896dc82432d4217400ec787ccfd2198ebbc10da30", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling zerocopy v0.8.28
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling zerocopy-derive v0.8.28
[INFO] [stderr]     Checking dtc_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `authenticated` is assigned to, but never used
[INFO] [stdout]   --> examples/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut authenticated = false;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_authenticated` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `authenticated` is never read
[INFO] [stdout]   --> examples/main.rs:78:25
[INFO] [stdout]    |
[INFO] [stdout] 78 |                         authenticated = true;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.10s
[INFO] running `Command { std: "docker" "inspect" "20ee2c16a53ddf4141a7842896dc82432d4217400ec787ccfd2198ebbc10da30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20ee2c16a53ddf4141a7842896dc82432d4217400ec787ccfd2198ebbc10da30", kill_on_drop: false }`
[INFO] [stdout] 20ee2c16a53ddf4141a7842896dc82432d4217400ec787ccfd2198ebbc10da30
