[INFO] fetching crate nebula_email 0.0.1...
[INFO] checking nebula_email-0.0.1 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate nebula_email 0.0.1 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate nebula_email 0.0.1 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nebula_email 0.0.1
[INFO] finished tweaking crates.io crate nebula_email 0.0.1
[INFO] tweaked toml for crates.io crate nebula_email 0.0.1 written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tera v1.12.1
[INFO] [stderr]   Downloaded lettre_email v0.9.4
[INFO] [stderr]   Downloaded email v0.0.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4feebaced09ededc824c4f9299954282e2ff4837222556051fe478ced13936e6
[INFO] running `Command { std: "docker" "start" "-a" "4feebaced09ededc824c4f9299954282e2ff4837222556051fe478ced13936e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4feebaced09ededc824c4f9299954282e2ff4837222556051fe478ced13936e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4feebaced09ededc824c4f9299954282e2ff4837222556051fe478ced13936e6", kill_on_drop: false }`
[INFO] [stdout] 4feebaced09ededc824c4f9299954282e2ff4837222556051fe478ced13936e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a155a6dbf6ed7bf1a0c05cc96e3ecdaa40319316555faa5125c49e25ce76123
[INFO] running `Command { std: "docker" "start" "-a" "7a155a6dbf6ed7bf1a0c05cc96e3ecdaa40319316555faa5125c49e25ce76123", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking ascii_utils v0.9.3
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[INFO] [stderr]     Checking deunicode v0.4.3
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[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
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[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]     Checking serde v1.0.129
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking lettre v0.9.6
[INFO] [stderr]     Checking tera v1.12.1
[INFO] [stderr]     Checking lettre_email v0.9.4
[INFO] [stderr]     Checking nebula_email v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/config.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/config.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tera::{Context, Tera};
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::SendmailResult`
[INFO] [stdout]  --> src/sender.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lettre::sendmail::{error::SendmailResult, SendmailTransport};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::SmtpResult`
[INFO] [stdout]  --> src/sender.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lettre::smtp::{error::SmtpResult, SmtpTransport};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Deserialize`
[INFO] [stdout]  --> src/sender.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::Deserialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/config.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/config.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tera::{Context, Tera};
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::SendmailResult`
[INFO] [stdout]  --> src/sender.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lettre::sendmail::{error::SendmailResult, SendmailTransport};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::SmtpResult`
[INFO] [stdout]  --> src/sender.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lettre::smtp::{error::SmtpResult, SmtpTransport};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Deserialize`
[INFO] [stdout]  --> src/sender.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::Deserialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `(): AsRef<str>` is not satisfied
[INFO] [stdout]    --> src/config.rs:374:32
[INFO] [stdout]     |
[INFO] [stdout] 374 |         if let Err(err) = tera.add_raw_templates(vec![
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^ the trait `AsRef<str>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `(): AsRef<str>` is not satisfied
[INFO] [stdout]    --> src/config.rs:374:32
[INFO] [stdout]     |
[INFO] [stdout] 374 |         if let Err(err) = tera.add_raw_templates(vec![
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^ the trait `AsRef<str>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nebula_email` due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7a155a6dbf6ed7bf1a0c05cc96e3ecdaa40319316555faa5125c49e25ce76123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a155a6dbf6ed7bf1a0c05cc96e3ecdaa40319316555faa5125c49e25ce76123", kill_on_drop: false }`
[INFO] [stdout] 7a155a6dbf6ed7bf1a0c05cc96e3ecdaa40319316555faa5125c49e25ce76123