[INFO] fetching crate hacksaw-x11rb 1.0.5... [INFO] checking hacksaw-x11rb-1.0.5 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205 [INFO] extracting crate hacksaw-x11rb 1.0.5 into /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate hacksaw-x11rb 1.0.5 on toolchain bbe853615821442ef11d6cd42a30a73432b38d89 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "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" "+bbe853615821442ef11d6cd42a30a73432b38d89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded gethostname v0.2.1 [INFO] [stderr] Downloaded structopt-derive v0.4.5 [INFO] [stderr] Downloaded proc-macro-error-attr v0.4.12 [INFO] [stderr] Downloaded proc-macro-error v0.4.12 [INFO] [stderr] Downloaded version_check v0.9.1 [INFO] [stderr] Downloaded syn-mid v0.5.0 [INFO] [stderr] Downloaded hermit-abi v0.1.10 [INFO] [stderr] Downloaded proc-macro2 v1.0.10 [INFO] [stderr] Downloaded structopt v0.3.12 [INFO] [stderr] Downloaded cc v1.0.54 [INFO] [stderr] Downloaded x11rb v0.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e7e91449bf540219eb6509f11deb01bd5225e69990180c084125ba5b1d3ec198 [INFO] running `Command { std: "docker" "start" "-a" "e7e91449bf540219eb6509f11deb01bd5225e69990180c084125ba5b1d3ec198", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e7e91449bf540219eb6509f11deb01bd5225e69990180c084125ba5b1d3ec198", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7e91449bf540219eb6509f11deb01bd5225e69990180c084125ba5b1d3ec198", kill_on_drop: false }` [INFO] [stdout] e7e91449bf540219eb6509f11deb01bd5225e69990180c084125ba5b1d3ec198 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b7a9f054c41b0078fb08ed52fcbbca33f7a367a54069fcfa048fd0ff002b66fc [INFO] running `Command { std: "docker" "start" "-a" "b7a9f054c41b0078fb08ed52fcbbca33f7a367a54069fcfa048fd0ff002b66fc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking lazy_static v1.4.0 [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 { [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> { [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 { [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> { [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 { [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> { [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 { [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> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.09s [INFO] running `Command { std: "docker" "inspect" "b7a9f054c41b0078fb08ed52fcbbca33f7a367a54069fcfa048fd0ff002b66fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7a9f054c41b0078fb08ed52fcbbca33f7a367a54069fcfa048fd0ff002b66fc", kill_on_drop: false }` [INFO] [stdout] b7a9f054c41b0078fb08ed52fcbbca33f7a367a54069fcfa048fd0ff002b66fc