[INFO] fetching crate book-summary 0.2.1...
[INFO] checking book-summary-0.2.1 against 1.95.0 for pr-155915
[INFO] extracting crate book-summary 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate book-summary 0.2.1
[INFO] finished tweaking crates.io crate book-summary 0.2.1
[INFO] tweaked toml for crates.io crate book-summary 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate book-summary 0.2.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate book-summary 0.2.1 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.4.18
[INFO] [stderr]   Downloaded toml v0.5.9
[INFO] [stderr]   Downloaded titlecase v2.2.1
[INFO] [stderr]   Downloaded structopt v0.3.26
[INFO] [stderr]   Downloaded joinery v2.1.0
[INFO] [stderr]   Downloaded itoa v1.0.4
[INFO] [stderr]   Downloaded ryu v1.0.11
[INFO] [stderr]   Downloaded proc-macro2 v1.0.46
[INFO] [stderr]   Downloaded unicode-ident v1.0.5
[INFO] [stderr]   Downloaded quote v1.0.21
[INFO] [stderr]   Downloaded aho-corasick v0.7.19
[INFO] [stderr]   Downloaded serde v1.0.145
[INFO] [stderr]   Downloaded unicode-segmentation v1.10.0
[INFO] [stderr]   Downloaded serde_json v1.0.86
[INFO] [stderr]   Downloaded regex-syntax v0.6.27
[INFO] [stderr]   Downloaded syn v1.0.102
[INFO] [stderr]   Downloaded regex v1.6.0
[INFO] [stderr]   Downloaded libc v0.2.135
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 877082d3f6dc122c096505231b338beb0548549f769fe3dfcc5e129faa94e6d7
[INFO] running `Command { std: "docker" "start" "-a" "877082d3f6dc122c096505231b338beb0548549f769fe3dfcc5e129faa94e6d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "877082d3f6dc122c096505231b338beb0548549f769fe3dfcc5e129faa94e6d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "877082d3f6dc122c096505231b338beb0548549f769fe3dfcc5e129faa94e6d7", kill_on_drop: false }`
[INFO] [stdout] 877082d3f6dc122c096505231b338beb0548549f769fe3dfcc5e129faa94e6d7
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 295a09b14fe56ca43e6825a301df3c469622cd3bb4becc2a0faacc6b33206ea0
[INFO] running `Command { std: "docker" "start" "-a" "295a09b14fe56ca43e6825a301df3c469622cd3bb4becc2a0faacc6b33206ea0", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.86
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking joinery v2.1.0
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking titlecase v2.2.1
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking book-summary v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `debug` and `mdheader` are never read
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct Opt {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     debug: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     mdheader: bool,
[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: fields `debug` and `mdheader` are never read
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct Opt {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     debug: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     mdheader: bool,
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.46s
[INFO] running `Command { std: "docker" "inspect" "295a09b14fe56ca43e6825a301df3c469622cd3bb4becc2a0faacc6b33206ea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "295a09b14fe56ca43e6825a301df3c469622cd3bb4becc2a0faacc6b33206ea0", kill_on_drop: false }`
[INFO] [stdout] 295a09b14fe56ca43e6825a301df3c469622cd3bb4becc2a0faacc6b33206ea0
