[INFO] fetching crate color_counter 0.2.3... [INFO] checking color_counter-0.2.3 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate color_counter 0.2.3 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate color_counter 0.2.3 [INFO] finished tweaking crates.io crate color_counter 0.2.3 [INFO] tweaked toml for crates.io crate color_counter 0.2.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate color_counter 0.2.3 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate color_counter 0.2.3 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded utf8-ranges v1.0.2 [INFO] [stderr] Downloaded memchr v2.1.3 [INFO] [stderr] Downloaded aho-corasick v0.6.9 [INFO] [stderr] Downloaded color_processing v0.4.1 [INFO] [stderr] Downloaded png v0.15.0 [INFO] [stderr] Downloaded image v0.22.3 [INFO] [stderr] Downloaded regex v1.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 93307e2eccf82ac728736f734d008d44f8bd0256e78d51f63a4f27b64389f825 [INFO] running `Command { std: "docker" "start" "-a" "93307e2eccf82ac728736f734d008d44f8bd0256e78d51f63a4f27b64389f825", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "93307e2eccf82ac728736f734d008d44f8bd0256e78d51f63a4f27b64389f825", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93307e2eccf82ac728736f734d008d44f8bd0256e78d51f63a4f27b64389f825", kill_on_drop: false }` [INFO] [stdout] 93307e2eccf82ac728736f734d008d44f8bd0256e78d51f63a4f27b64389f825 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fbf4f13f905da1aec54cb066005095c3beda3f984122fc628bfdcb005dd87b2e [INFO] running `Command { std: "docker" "start" "-a" "fbf4f13f905da1aec54cb066005095c3beda3f984122fc628bfdcb005dd87b2e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling memchr v2.1.3 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Compiling num-derive v0.2.4 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking regex-syntax v0.6.5 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking deflate v0.7.19 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Checking inflate v0.4.4 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking gif v0.10.1 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking png v0.15.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking color_processing v0.4.1 [INFO] [stderr] Checking tiff v0.3.1 [INFO] [stderr] Checking image v0.22.3 [INFO] [stderr] Checking color_counter v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/region.rs:57:22 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn iter<'s>(&'s self) -> impl Iterator + 's { [INFO] [stdout] | ^^ --------------- -- the same lifetime is named here [INFO] [stdout] | | | [INFO] [stdout] | the lifetime is named here the same 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: consistently use `'s` [INFO] [stdout] | [INFO] [stdout] 57 | pub fn iter<'s>(&'s self) -> impl Iterator + 's { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/region.rs:57:22 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn iter<'s>(&'s self) -> impl Iterator + 's { [INFO] [stdout] | ^^ --------------- -- the same lifetime is named here [INFO] [stdout] | | | [INFO] [stdout] | the lifetime is named here the same 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: consistently use `'s` [INFO] [stdout] | [INFO] [stdout] 57 | pub fn iter<'s>(&'s self) -> impl Iterator + 's { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.56s [INFO] running `Command { std: "docker" "inspect" "fbf4f13f905da1aec54cb066005095c3beda3f984122fc628bfdcb005dd87b2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbf4f13f905da1aec54cb066005095c3beda3f984122fc628bfdcb005dd87b2e", kill_on_drop: false }` [INFO] [stdout] fbf4f13f905da1aec54cb066005095c3beda3f984122fc628bfdcb005dd87b2e