[INFO] fetching crate intercom 0.4.0...
[INFO] checking intercom-0.4.0 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate intercom 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate intercom 0.4.0 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate intercom 0.4.0
[INFO] finished tweaking crates.io crate intercom 0.4.0
[INFO] tweaked toml for crates.io crate intercom 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple_logger v1.16.0
[INFO] [stderr]   Downloaded intercom-attributes v0.4.0
[INFO] [stderr]   Downloaded intercom-common v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf49ac6202a2d95ebe0c6e2e9b3c73ce82edab1f284aa38f0352f705e70203f2
[INFO] running `Command { std: "docker" "start" "-a" "cf49ac6202a2d95ebe0c6e2e9b3c73ce82edab1f284aa38f0352f705e70203f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf49ac6202a2d95ebe0c6e2e9b3c73ce82edab1f284aa38f0352f705e70203f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf49ac6202a2d95ebe0c6e2e9b3c73ce82edab1f284aa38f0352f705e70203f2", kill_on_drop: false }`
[INFO] [stdout] cf49ac6202a2d95ebe0c6e2e9b3c73ce82edab1f284aa38f0352f705e70203f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7acb47948559174c3dbfdf612977ba219a23e05f024d77d7791cc5cb7c86d5e
[INFO] running `Command { std: "docker" "start" "-a" "c7acb47948559174c3dbfdf612977ba219a23e05f024d77d7791cc5cb7c86d5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling sha1_smol v1.0.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking simple_logger v1.16.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling sha1 v0.6.1
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling intercom-common v0.4.0
[INFO] [stderr]    Compiling intercom-attributes v0.4.0
[INFO] [stderr]     Checking intercom v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/variant.rs:903:29
[INFO] [stdout]     |
[INFO] [stdout] 903 |     pub struct VariantError(VariantType);
[INFO] [stdout]     |                ------------ ^^^^^^^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 903 |     pub struct VariantError(());
[INFO] [stdout]     |                             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/variant.rs:903:29
[INFO] [stdout]     |
[INFO] [stdout] 903 |     pub struct VariantError(VariantType);
[INFO] [stdout]     |                ------------ ^^^^^^^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 903 |     pub struct VariantError(());
[INFO] [stdout]     |                             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.54s
[INFO] running `Command { std: "docker" "inspect" "c7acb47948559174c3dbfdf612977ba219a23e05f024d77d7791cc5cb7c86d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7acb47948559174c3dbfdf612977ba219a23e05f024d77d7791cc5cb7c86d5e", kill_on_drop: false }`
[INFO] [stdout] c7acb47948559174c3dbfdf612977ba219a23e05f024d77d7791cc5cb7c86d5e
