[INFO] fetching crate nebula_email 0.0.1...
[INFO] checking nebula_email-0.0.1 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate nebula_email 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate nebula_email 0.0.1 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f17ee941e510c6bd730177c652349adf0fa883fd451e2ce05374b7960fa4451a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f17ee941e510c6bd730177c652349adf0fa883fd451e2ce05374b7960fa4451a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f17ee941e510c6bd730177c652349adf0fa883fd451e2ce05374b7960fa4451a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f17ee941e510c6bd730177c652349adf0fa883fd451e2ce05374b7960fa4451a", kill_on_drop: false }`
[INFO] [stdout] f17ee941e510c6bd730177c652349adf0fa883fd451e2ce05374b7960fa4451a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10d68f8d89ad114a82369334ad999d6419b9249e93dc2fa19ff53b49c0a4de67
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "10d68f8d89ad114a82369334ad999d6419b9249e93dc2fa19ff53b49c0a4de67", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking ascii_utils v0.9.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking lettre v0.9.5
[INFO] [stderr]     Checking tera v1.7.1
[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: 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[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] [stderr] error: could not compile `nebula_email`
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "10d68f8d89ad114a82369334ad999d6419b9249e93dc2fa19ff53b49c0a4de67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10d68f8d89ad114a82369334ad999d6419b9249e93dc2fa19ff53b49c0a4de67", kill_on_drop: false }`
[INFO] [stdout] 10d68f8d89ad114a82369334ad999d6419b9249e93dc2fa19ff53b49c0a4de67