[INFO] fetching crate nebula_email 0.0.1...
[INFO] checking nebula_email-0.0.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate nebula_email 0.0.1 into /workspace/builds/worker-0-tc2/source
[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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nebula_email 0.0.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] b5fad1754b3edde150683431bc287b386cf7bf081b67455e38e1639c9a5e4118
[INFO] running `Command { std: "docker" "start" "-a" "b5fad1754b3edde150683431bc287b386cf7bf081b67455e38e1639c9a5e4118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5fad1754b3edde150683431bc287b386cf7bf081b67455e38e1639c9a5e4118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5fad1754b3edde150683431bc287b386cf7bf081b67455e38e1639c9a5e4118", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8e8120577e97efab3a26ec04d30ad8bfbd3d49662acb96f18af28f0b3f5cd9c
[INFO] running `Command { std: "docker" "start" "-a" "f8e8120577e97efab3a26ec04d30ad8bfbd3d49662acb96f18af28f0b3f5cd9c", kill_on_drop: false }`
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[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] note: required by a bound in `Tera::add_raw_templates`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tera-1.20.0/src/tera.rs:546:12
[INFO] [stdout]     |
[INFO] [stdout] 542 |     pub fn add_raw_templates<I, N, C>(&mut self, templates: I) -> Result<()>
[INFO] [stdout]     |            ----------------- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 546 |         C: AsRef<str>,
[INFO] [stdout]     |            ^^^^^^^^^^ required by this bound in `Tera::add_raw_templates`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nebula_email` (lib test) due to 1 previous error; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `smtp`
[INFO] [stdout]   --> src/sender.rs:17:26
[INFO] [stdout]    |
[INFO] [stdout] 17 |             Sender::SMTP(smtp) => {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_smtp`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `send`
[INFO] [stdout]   --> src/sender.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 |             Sender::Sendmail(send) => {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `email`
[INFO] [stdout]   --> src/sender.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn send(&mut self, email: SendableEmail) -> Self::Result {
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_email`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[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] note: required by a bound in `Tera::add_raw_templates`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tera-1.20.0/src/tera.rs:546:12
[INFO] [stdout]     |
[INFO] [stdout] 542 |     pub fn add_raw_templates<I, N, C>(&mut self, templates: I) -> Result<()>
[INFO] [stdout]     |            ----------------- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 546 |         C: AsRef<str>,
[INFO] [stdout]     |            ^^^^^^^^^^ required by this bound in `Tera::add_raw_templates`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `smtp`
[INFO] [stdout]   --> src/sender.rs:17:26
[INFO] [stdout]    |
[INFO] [stdout] 17 |             Sender::SMTP(smtp) => {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_smtp`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `send`
[INFO] [stdout]   --> src/sender.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 |             Sender::Sendmail(send) => {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `email`
[INFO] [stdout]   --> src/sender.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn send(&mut self, email: SendableEmail) -> Self::Result {
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_email`
[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` (lib) due to 1 previous error; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f8e8120577e97efab3a26ec04d30ad8bfbd3d49662acb96f18af28f0b3f5cd9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e8120577e97efab3a26ec04d30ad8bfbd3d49662acb96f18af28f0b3f5cd9c", kill_on_drop: false }`
[INFO] [stdout] f8e8120577e97efab3a26ec04d30ad8bfbd3d49662acb96f18af28f0b3f5cd9c