[INFO] cloning repository https://github.com/lheckemann/shaded
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lheckemann/shaded" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flheckemann%2Fshaded", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flheckemann%2Fshaded'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a92c35d780715b51a139e36855871ea88b90a30
[INFO] checking lheckemann/shaded/3a92c35d780715b51a139e36855871ea88b90a30 against master#82dd3cb008233bfe50ba6b8d6618e6bbd6054eb1 for pr-150408
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flheckemann%2Fshaded" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lheckemann/shaded
[INFO] finished tweaking git repo https://github.com/lheckemann/shaded
[INFO] tweaked toml for git repo https://github.com/lheckemann/shaded written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lheckemann/shaded on toolchain 82dd3cb008233bfe50ba6b8d6618e6bbd6054eb1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82dd3cb008233bfe50ba6b8d6618e6bbd6054eb1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lheckemann/shaded 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" "+82dd3cb008233bfe50ba6b8d6618e6bbd6054eb1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding bufstream v0.1.4
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gpio-cdev v0.2.0
[INFO] [stderr]   Downloaded backtrace v0.3.38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+82dd3cb008233bfe50ba6b8d6618e6bbd6054eb1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ce7677af85165fc80e3d0cfe8b81b637eb7aceebf6c1d44750176fbc2255d3d
[INFO] running `Command { std: "docker" "start" "-a" "0ce7677af85165fc80e3d0cfe8b81b637eb7aceebf6c1d44750176fbc2255d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ce7677af85165fc80e3d0cfe8b81b637eb7aceebf6c1d44750176fbc2255d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ce7677af85165fc80e3d0cfe8b81b637eb7aceebf6c1d44750176fbc2255d3d", kill_on_drop: false }`
[INFO] [stdout] 0ce7677af85165fc80e3d0cfe8b81b637eb7aceebf6c1d44750176fbc2255d3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+82dd3cb008233bfe50ba6b8d6618e6bbd6054eb1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2b42b3b280c78b614743ae9b11b5e6e0594d2fe02a7135c0b687cf566606eeb
[INFO] running `Command { std: "docker" "start" "-a" "e2b42b3b280c78b614743ae9b11b5e6e0594d2fe02a7135c0b687cf566606eeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking gpio-cdev v0.2.0
[INFO] [stderr]     Checking shaded v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> shaded.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |     Io(io::Error),
[INFO] [stdout]     |     -- ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 166 -     Io(io::Error),
[INFO] [stdout] 166 +     Io(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> shaded.rs:167:10
[INFO] [stdout]     |
[INFO] [stdout] 167 |     Gpio(gpio_cdev::errors::Error),
[INFO] [stdout]     |     ---- ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 167 -     Gpio(gpio_cdev::errors::Error),
[INFO] [stdout] 167 +     Gpio(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> shaded.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |     Io(io::Error),
[INFO] [stdout]     |     -- ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 166 -     Io(io::Error),
[INFO] [stdout] 166 +     Io(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> shaded.rs:167:10
[INFO] [stdout]     |
[INFO] [stdout] 167 |     Gpio(gpio_cdev::errors::Error),
[INFO] [stdout]     |     ---- ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 167 -     Gpio(gpio_cdev::errors::Error),
[INFO] [stdout] 167 +     Gpio(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.87s
[INFO] running `Command { std: "docker" "inspect" "e2b42b3b280c78b614743ae9b11b5e6e0594d2fe02a7135c0b687cf566606eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2b42b3b280c78b614743ae9b11b5e6e0594d2fe02a7135c0b687cf566606eeb", kill_on_drop: false }`
[INFO] [stdout] e2b42b3b280c78b614743ae9b11b5e6e0594d2fe02a7135c0b687cf566606eeb
