[INFO] cloning repository https://github.com/sensiblefolk/konko
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sensiblefolk/konko" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsensiblefolk%2Fkonko", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsensiblefolk%2Fkonko'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30a82a99cb947da6770549e0aa6de8daefbe7c61
[INFO] checking sensiblefolk/konko against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsensiblefolk%2Fkonko" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sensiblefolk/konko
[INFO] finished tweaking git repo https://github.com/sensiblefolk/konko
[INFO] tweaked toml for git repo https://github.com/sensiblefolk/konko written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sensiblefolk/konko on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sensiblefolk/konko 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scan_fmt v0.2.6
[INFO] [stderr]   Downloaded proc-macro2 v1.0.72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6da985a76c2956040da6921bc9b8d265c50afd472e7cef1b5fc631d0af6bff72
[INFO] running `Command { std: "docker" "start" "-a" "6da985a76c2956040da6921bc9b8d265c50afd472e7cef1b5fc631d0af6bff72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6da985a76c2956040da6921bc9b8d265c50afd472e7cef1b5fc631d0af6bff72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6da985a76c2956040da6921bc9b8d265c50afd472e7cef1b5fc631d0af6bff72", kill_on_drop: false }`
[INFO] [stdout] 6da985a76c2956040da6921bc9b8d265c50afd472e7cef1b5fc631d0af6bff72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71acadca91553ffc7d02b787113280f50db138180a5b4e6361866711f2332003
[INFO] running `Command { std: "docker" "start" "-a" "71acadca91553ffc7d02b787113280f50db138180a5b4e6361866711f2332003", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.72
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking scan_fmt v0.2.6
[INFO] [stderr]     Checking env_logger v0.10.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking konko v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |     ContainerError(u8),
[INFO] [stdout]    |     -------------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Errcode` 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] 10 -     ContainerError(u8),
[INFO] [stdout] 10 +     ContainerError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |     SocketError(u8),
[INFO] [stdout]    |     ----------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Errcode` 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] 11 -     SocketError(u8),
[INFO] [stdout] 11 +     SocketError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |     ChildProcessError(u8)
[INFO] [stdout]    |     ----------------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Errcode` 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] 12 -     ChildProcessError(u8)
[INFO] [stdout] 12 +     ChildProcessError(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `uid`, `mount_dir`, and `fd` are never read
[INFO] [stdout]   --> src/config.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct ContainerOpts {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub uid:        u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 17 |     pub mount_dir:  PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 18 |     pub fd:         RawFd
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ContainerOpts` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_boolean` is never used
[INFO] [stdout]   --> src/ipc.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn send_boolean(fd: RawFd, boolean: bool) -> Result<(), Errcode> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recv_boolean` is never used
[INFO] [stdout]   --> src/ipc.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn recv_boolean(fd: RawFd) -> Result<bool, Errcode> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Pid` should have a snake case name
[INFO] [stdout]   --> src/child.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Ok(Pid) => Ok(Pid),
[INFO] [stdout]    |            ^^^ help: convert the identifier to snake case: `pid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |     ContainerError(u8),
[INFO] [stdout]    |     -------------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Errcode` 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] 10 -     ContainerError(u8),
[INFO] [stdout] 10 +     ContainerError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |     SocketError(u8),
[INFO] [stdout]    |     ----------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Errcode` 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] 11 -     SocketError(u8),
[INFO] [stdout] 11 +     SocketError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |     ChildProcessError(u8)
[INFO] [stdout]    |     ----------------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Errcode` 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] 12 -     ChildProcessError(u8)
[INFO] [stdout] 12 +     ChildProcessError(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `uid`, `mount_dir`, and `fd` are never read
[INFO] [stdout]   --> src/config.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct ContainerOpts {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub uid:        u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 17 |     pub mount_dir:  PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 18 |     pub fd:         RawFd
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ContainerOpts` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_boolean` is never used
[INFO] [stdout]   --> src/ipc.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn send_boolean(fd: RawFd, boolean: bool) -> Result<(), Errcode> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recv_boolean` is never used
[INFO] [stdout]   --> src/ipc.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn recv_boolean(fd: RawFd) -> Result<bool, Errcode> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Pid` should have a snake case name
[INFO] [stdout]   --> src/child.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Ok(Pid) => Ok(Pid),
[INFO] [stdout]    |            ^^^ help: convert the identifier to snake case: `pid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.14s
[INFO] running `Command { std: "docker" "inspect" "71acadca91553ffc7d02b787113280f50db138180a5b4e6361866711f2332003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71acadca91553ffc7d02b787113280f50db138180a5b4e6361866711f2332003", kill_on_drop: false }`
[INFO] [stdout] 71acadca91553ffc7d02b787113280f50db138180a5b4e6361866711f2332003
