[INFO] fetching crate mkisofs-rs 0.2.0...
[INFO] checking mkisofs-rs-0.2.0 against 1.95.0 for pr-155915
[INFO] extracting crate mkisofs-rs 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mkisofs-rs 0.2.0
[INFO] finished tweaking crates.io crate mkisofs-rs 0.2.0
[INFO] tweaked toml for crates.io crate mkisofs-rs 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mkisofs-rs 0.2.0 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 mkisofs-rs 0.2.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.101
[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] 4185fd49fb1b8a006472d66ed9ea821bfd6959bcfc816dc8dcffeb3132c02e12
[INFO] running `Command { std: "docker" "start" "-a" "4185fd49fb1b8a006472d66ed9ea821bfd6959bcfc816dc8dcffeb3132c02e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4185fd49fb1b8a006472d66ed9ea821bfd6959bcfc816dc8dcffeb3132c02e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4185fd49fb1b8a006472d66ed9ea821bfd6959bcfc816dc8dcffeb3132c02e12", kill_on_drop: false }`
[INFO] [stdout] 4185fd49fb1b8a006472d66ed9ea821bfd6959bcfc816dc8dcffeb3132c02e12
[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] c773bde9a1414afa3043c92acde62c3c7baee1e3feff935f112c1c8a72787b98
[INFO] running `Command { std: "docker" "start" "-a" "c773bde9a1414afa3043c92acde62c3c7baee1e3feff935f112c1c8a72787b98", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking iana-time-zone v0.1.50
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking mkisofs-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `no_emu_boot` is never read
[INFO] [stdout]   --> src/iso/option.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct ElToritoOpt {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub no_emu_boot: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ElToritoOpt` 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: field `no_emu_boot` is never read
[INFO] [stdout]   --> src/iso/option.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct ElToritoOpt {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub no_emu_boot: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ElToritoOpt` 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 14.25s
[INFO] running `Command { std: "docker" "inspect" "c773bde9a1414afa3043c92acde62c3c7baee1e3feff935f112c1c8a72787b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c773bde9a1414afa3043c92acde62c3c7baee1e3feff935f112c1c8a72787b98", kill_on_drop: false }`
[INFO] [stdout] c773bde9a1414afa3043c92acde62c3c7baee1e3feff935f112c1c8a72787b98
