[INFO] fetching crate error-chain-utils-macros 0.1.0...
[INFO] checking error-chain-utils-macros-0.1.0 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate error-chain-utils-macros 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate error-chain-utils-macros 0.1.0
[INFO] finished tweaking crates.io crate error-chain-utils-macros 0.1.0
[INFO] tweaked toml for crates.io crate error-chain-utils-macros 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate error-chain-utils-macros 0.1.0 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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: v2.0.117)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a26468550c67a3f930274f64dad042a9aadbf410778e501e23e26dde84bc492
[INFO] running `Command { std: "docker" "start" "-a" "7a26468550c67a3f930274f64dad042a9aadbf410778e501e23e26dde84bc492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a26468550c67a3f930274f64dad042a9aadbf410778e501e23e26dde84bc492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a26468550c67a3f930274f64dad042a9aadbf410778e501e23e26dde84bc492", kill_on_drop: false }`
[INFO] [stdout] 7a26468550c67a3f930274f64dad042a9aadbf410778e501e23e26dde84bc492
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 894fe55fc38664173358f1db6d3acb919b47f66516eb33a88cfbd53f87ea221c
[INFO] running `Command { std: "docker" "start" "-a" "894fe55fc38664173358f1db6d3acb919b47f66516eb33a88cfbd53f87ea221c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]     Checking unicode-ident v1.0.24
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]     Checking error-chain-utils-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `bool_to_option` has been stable since 1.62.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(bool_to_option)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `bool_to_option` has been stable since 1.62.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(bool_to_option)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `err_ident`, `desc`, and `inner_args` are never read
[INFO] [stdout]    --> src/quick.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |             struct QuickErrorDebug<'a> {
[INFO] [stdout]     |                    --------------- fields in this struct
[INFO] [stdout] 115 |                 err_ident: &'a Ident,
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout] 116 |                 desc: LitStrDebug<'a>,
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout] 117 |                 inner_args: PunctuatedDebug<'a,Ident,token::Comma>
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `QuickErrorDebug` 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: fields `err_ident`, `desc`, and `inner_args` are never read
[INFO] [stdout]    --> src/quick.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |             struct QuickErrorDebug<'a> {
[INFO] [stdout]     |                    --------------- fields in this struct
[INFO] [stdout] 115 |                 err_ident: &'a Ident,
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout] 116 |                 desc: LitStrDebug<'a>,
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout] 117 |                 inner_args: PunctuatedDebug<'a,Ident,token::Comma>
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `QuickErrorDebug` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `Command { std: "docker" "inspect" "894fe55fc38664173358f1db6d3acb919b47f66516eb33a88cfbd53f87ea221c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "894fe55fc38664173358f1db6d3acb919b47f66516eb33a88cfbd53f87ea221c", kill_on_drop: false }`
[INFO] [stdout] 894fe55fc38664173358f1db6d3acb919b47f66516eb33a88cfbd53f87ea221c
