[INFO] fetching crate hacksaw-x11rb 1.0.5...
[INFO] checking hacksaw-x11rb-1.0.5 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] extracting crate hacksaw-x11rb 1.0.5 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate hacksaw-x11rb 1.0.5
[INFO] finished tweaking crates.io crate hacksaw-x11rb 1.0.5
[INFO] tweaked toml for crates.io crate hacksaw-x11rb 1.0.5 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hacksaw-x11rb 1.0.5 on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hacksaw-x11rb 1.0.5 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `hacksaw-x11rb` (manifest) generated 1 warning
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.54
[INFO] [stderr]   Downloaded gethostname v0.2.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.10
[INFO] [stderr]   Downloaded structopt v0.3.12
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] [stderr]   Downloaded structopt-derive v0.4.5
[INFO] [stderr]   Downloaded quote v1.0.3
[INFO] [stderr]   Downloaded unicode-width v0.1.7
[INFO] [stderr]   Downloaded proc-macro2 v1.0.10
[INFO] [stderr]   Downloaded nix v0.17.0
[INFO] [stderr]   Downloaded syn v1.0.17
[INFO] [stderr]   Downloaded x11rb v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2ef210eaa806202c81d6645d01582ee7997bdfb88eed5464a8616a60e8e20782
[INFO] running `Command { std: "docker" "start" "2ef210eaa806202c81d6645d01582ee7997bdfb88eed5464a8616a60e8e20782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ef210eaa806202c81d6645d01582ee7997bdfb88eed5464a8616a60e8e20782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2ef210eaa806202c81d6645d01582ee7997bdfb88eed5464a8616a60e8e20782" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ef210eaa806202c81d6645d01582ee7997bdfb88eed5464a8616a60e8e20782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2ef210eaa806202c81d6645d01582ee7997bdfb88eed5464a8616a60e8e20782" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `hacksaw-x11rb` (manifest) generated 1 warning
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking x11rb v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]     Checking hacksaw-x11rb v1.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `no_guides`, `guide_thickness`, `select_thickness`, `line_colour`, `format`, and `remove_decorations` are never read
[INFO] [stdout]   --> src/util/parse_args.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub(crate) struct Opt {
[INFO] [stdout]    |                   --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub(crate) no_guides: bool,
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub(crate) guide_thickness: u16,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub(crate) select_thickness: u16,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub(crate) line_colour: u32,
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub(crate) format: Format,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub(crate) remove_decorations: u32,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/util/parse_args.rs:81:27
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn parse_hex_slice(slice: &str) -> Result<u32, ParseHexError> {
[INFO] [stdout]    |                           ^^^^                 ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn parse_hex_slice(slice: &str) -> Result<u32, ParseHexError<'_>> {
[INFO] [stdout]    |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/util/parse_args.rs:89:23
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn parse_hex(hex: &str) -> Result<u32, ParseHexError> {
[INFO] [stdout]    |                       ^^^^                 ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn parse_hex(hex: &str) -> Result<u32, ParseHexError<'_>> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `no_guides`, `guide_thickness`, `select_thickness`, `line_colour`, `format`, and `remove_decorations` are never read
[INFO] [stdout]   --> src/util/parse_args.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub(crate) struct Opt {
[INFO] [stdout]    |                   --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub(crate) no_guides: bool,
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub(crate) guide_thickness: u16,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub(crate) select_thickness: u16,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub(crate) line_colour: u32,
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub(crate) format: Format,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub(crate) remove_decorations: u32,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/util/parse_args.rs:81:27
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn parse_hex_slice(slice: &str) -> Result<u32, ParseHexError> {
[INFO] [stdout]    |                           ^^^^                 ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn parse_hex_slice(slice: &str) -> Result<u32, ParseHexError<'_>> {
[INFO] [stdout]    |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/util/parse_args.rs:89:23
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn parse_hex(hex: &str) -> Result<u32, ParseHexError> {
[INFO] [stdout]    |                       ^^^^                 ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn parse_hex(hex: &str) -> Result<u32, ParseHexError<'_>> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.20s
[INFO] running `Command { std: "docker" "inspect" "2ef210eaa806202c81d6645d01582ee7997bdfb88eed5464a8616a60e8e20782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef210eaa806202c81d6645d01582ee7997bdfb88eed5464a8616a60e8e20782", kill_on_drop: false }`
[INFO] [stdout] 2ef210eaa806202c81d6645d01582ee7997bdfb88eed5464a8616a60e8e20782
