[INFO] fetching crate formulate 1.1.1...
[INFO] checking formulate-1.1.1 against master#a45391f4ddf95abeb33f72b0fbc22bf0ee1651c7 for pr-133397-1
[INFO] extracting crate formulate 1.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate formulate 1.1.1 on toolchain a45391f4ddf95abeb33f72b0fbc22bf0ee1651c7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a45391f4ddf95abeb33f72b0fbc22bf0ee1651c7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate formulate 1.1.1
[INFO] finished tweaking crates.io crate formulate 1.1.1
[INFO] tweaked toml for crates.io crate formulate 1.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate formulate 1.1.1 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" "+a45391f4ddf95abeb33f72b0fbc22bf0ee1651c7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-error v1.0.4
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+a45391f4ddf95abeb33f72b0fbc22bf0ee1651c7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f33ebcb7917cd2bc23c14fc512a7dd7514997caef313065c1d193659a6e25d62
[INFO] running `Command { std: "docker" "start" "-a" "f33ebcb7917cd2bc23c14fc512a7dd7514997caef313065c1d193659a6e25d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f33ebcb7917cd2bc23c14fc512a7dd7514997caef313065c1d193659a6e25d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f33ebcb7917cd2bc23c14fc512a7dd7514997caef313065c1d193659a6e25d62", kill_on_drop: false }`
[INFO] [stdout] f33ebcb7917cd2bc23c14fc512a7dd7514997caef313065c1d193659a6e25d62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+a45391f4ddf95abeb33f72b0fbc22bf0ee1651c7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ec04ef92979f6e62ac6f17aaaa7ec84eb341600dc3c75ab50f51f79ce968364
[INFO] running `Command { std: "docker" "start" "-a" "2ec04ef92979f6e62ac6f17aaaa7ec84eb341600dc3c75ab50f51f79ce968364", kill_on_drop: false }`
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[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mailer.rs:58:16
[INFO] [stdout]    |
[INFO] [stdout] 58 |     EmailBuild(lettre::error::Error),
[INFO] [stdout]    |     ---------- ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MailConfigError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 58 |     EmailBuild(()),
[INFO] [stdout]    |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mailer.rs:58:16
[INFO] [stdout]    |
[INFO] [stdout] 58 |     EmailBuild(lettre::error::Error),
[INFO] [stdout]    |     ---------- ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MailConfigError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 58 |     EmailBuild(()),
[INFO] [stdout]    |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "2ec04ef92979f6e62ac6f17aaaa7ec84eb341600dc3c75ab50f51f79ce968364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ec04ef92979f6e62ac6f17aaaa7ec84eb341600dc3c75ab50f51f79ce968364", kill_on_drop: false }`
[INFO] [stdout] 2ec04ef92979f6e62ac6f17aaaa7ec84eb341600dc3c75ab50f51f79ce968364