[INFO] fetching crate cfmt-macros 0.2.1...
[INFO] checking cfmt-macros-0.2.1 against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] extracting crate cfmt-macros 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate cfmt-macros 0.2.1
[INFO] finished tweaking crates.io crate cfmt-macros 0.2.1
[INFO] tweaked toml for crates.io crate cfmt-macros 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cfmt-macros 0.2.1 on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4093d07dba256c4545269b004b48ea59c0bd79877aa21b62c205f08d79840306
[INFO] running `Command { std: "docker" "start" "-a" "4093d07dba256c4545269b004b48ea59c0bd79877aa21b62c205f08d79840306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4093d07dba256c4545269b004b48ea59c0bd79877aa21b62c205f08d79840306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4093d07dba256c4545269b004b48ea59c0bd79877aa21b62c205f08d79840306", kill_on_drop: false }`
[INFO] [stdout] 4093d07dba256c4545269b004b48ea59c0bd79877aa21b62c205f08d79840306
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] daf5aacb2be012d3ace38408198ee5507fc903533706d2f940154f66cc1365b1
[INFO] running `Command { std: "docker" "start" "-a" "daf5aacb2be012d3ace38408198ee5507fc903533706d2f940154f66cc1365b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking cfmt-macros v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:277:22
[INFO] [stdout]     |
[INFO] [stdout] 277 | fn parse(mut format: &str, span: Span) -> parse::Result<Vec<Piece>> {
[INFO] [stdout]     |                      ^^^^ the lifetime is elided here       ----- the same lifetime is hidden 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] 277 | fn parse(mut format: &str, span: Span) -> parse::Result<Vec<Piece<'_>>> {
[INFO] [stdout]     |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:376:25
[INFO] [stdout]     |
[INFO] [stdout] 376 | fn unescape(mut format: &str, span: Span) -> parse::Result<Cow<str>> {
[INFO] [stdout]     |                         ^^^^ the lifetime is elided here   -------- the same lifetime is hidden 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] 376 | fn unescape(mut format: &str, span: Span) -> parse::Result<Cow<'_, str>> {
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:277:22
[INFO] [stdout]     |
[INFO] [stdout] 277 | fn parse(mut format: &str, span: Span) -> parse::Result<Vec<Piece>> {
[INFO] [stdout]     |                      ^^^^ the lifetime is elided here       ----- the same lifetime is hidden 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] 277 | fn parse(mut format: &str, span: Span) -> parse::Result<Vec<Piece<'_>>> {
[INFO] [stdout]     |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:376:25
[INFO] [stdout]     |
[INFO] [stdout] 376 | fn unescape(mut format: &str, span: Span) -> parse::Result<Cow<str>> {
[INFO] [stdout]     |                         ^^^^ the lifetime is elided here   -------- the same lifetime is hidden 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] 376 | fn unescape(mut format: &str, span: Span) -> parse::Result<Cow<'_, str>> {
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `Command { std: "docker" "inspect" "daf5aacb2be012d3ace38408198ee5507fc903533706d2f940154f66cc1365b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daf5aacb2be012d3ace38408198ee5507fc903533706d2f940154f66cc1365b1", kill_on_drop: false }`
[INFO] [stdout] daf5aacb2be012d3ace38408198ee5507fc903533706d2f940154f66cc1365b1
