[INFO] cloning repository https://github.com/verrchu/refmail
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/verrchu/refmail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fverrchu%2Frefmail", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fverrchu%2Frefmail'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d7cfc23a1c4d3ba6ee86a94fa89d8fcee573ef2
[INFO] checking verrchu/refmail against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fverrchu%2Frefmail" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/verrchu/refmail on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/verrchu/refmail
[INFO] finished tweaking git repo https://github.com/verrchu/refmail
[INFO] tweaked toml for git repo https://github.com/verrchu/refmail written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/verrchu/refmail 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "ddfd155b642e28b0f3e2ec67ee350901e504a84dde55dd6c3baf749b0d722c27", kill_on_drop: false }`
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[INFO] [stdout] 8e5ca781e186411dd9356cacfbdddee4051759041c19f1865b6bb22bc6054a65
[INFO] running `Command { std: "docker" "start" "-a" "8e5ca781e186411dd9356cacfbdddee4051759041c19f1865b6bb22bc6054a65", kill_on_drop: false }`
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[INFO] [stderr]    Compiling anyhow v1.0.62
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[INFO] [stderr]    Compiling openssl-macros v0.1.0
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[INFO] [stderr]    Compiling pest_meta v2.3.0
[INFO] [stderr]    Compiling pest_generator v2.3.0
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[INFO] [stdout] warning: unused import: `url::Url`
[INFO] [stdout]  --> src/sections/conference_talk.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use url::Url;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types`
[INFO] [stdout]  --> src/sections/hackathon.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::types;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hackathon::Hackathon`
[INFO] [stdout]  --> src/sections/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use hackathon::Hackathon;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Referee`, `Referrer`
[INFO] [stdout]   --> src/main.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use types::{Referee, Referrer};
[INFO] [stdout]    |             ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `url::Url`
[INFO] [stdout]  --> src/sections/conference_talk.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use url::Url;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Config` is imported redundantly
[INFO] [stdout]   --> src/sections/conference_talk.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     use super::*;
[INFO] [stdout]    |         -------- the item `Config` is already imported here
[INFO] [stdout] 64 |     use crate::Config;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types`
[INFO] [stdout]  --> src/sections/hackathon.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::types;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hackathon::Hackathon`
[INFO] [stdout]  --> src/sections/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use hackathon::Hackathon;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Referee`, `Referrer`
[INFO] [stdout]   --> src/main.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use types::{Referee, Referrer};
[INFO] [stdout]    |             ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `load_from` is never used
[INFO] [stdout]   --> src/config.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Config {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn load_from(path: impl AsRef<Path>) -> anyhow::Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Background` is never constructed
[INFO] [stdout]   --> src/sections/mod.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct Background;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Background` is never constructed
[INFO] [stdout]   --> src/sections/mod.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct Background;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Acquintance` is never constructed
[INFO] [stdout]   --> src/sections/mod.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct Acquintance;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Entrepreneurship` is never constructed
[INFO] [stdout]   --> src/sections/mod.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct Entrepreneurship;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Volunteering` is never constructed
[INFO] [stdout]   --> src/sections/mod.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct Volunteering;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Publications` is never used
[INFO] [stdout]   --> src/sections/mod.rs:56:6
[INFO] [stdout]    |
[INFO] [stdout] 56 | enum Publications {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OpenSourceContribution` is never constructed
[INFO] [stdout]   --> src/sections/mod.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct OpenSourceContribution;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExpertRoles` is never constructed
[INFO] [stdout]   --> src/sections/mod.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct ExpertRoles;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OpenSourceContributions` is never constructed
[INFO] [stdout]   --> src/sections/mod.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct OpenSourceContributions;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Olympiads` is never constructed
[INFO] [stdout]   --> src/sections/mod.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | struct Olympiads;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Acquintance` is never constructed
[INFO] [stdout]   --> src/sections/mod.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct Acquintance;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Entrepreneurship` is never constructed
[INFO] [stdout]   --> src/sections/mod.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct Entrepreneurship;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Volunteering` is never constructed
[INFO] [stdout]   --> src/sections/mod.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct Volunteering;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Publications` is never used
[INFO] [stdout]   --> src/sections/mod.rs:56:6
[INFO] [stdout]    |
[INFO] [stdout] 56 | enum Publications {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OpenSourceContribution` is never constructed
[INFO] [stdout]   --> src/sections/mod.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct OpenSourceContribution;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExpertRoles` is never constructed
[INFO] [stdout]   --> src/sections/mod.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct ExpertRoles;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OpenSourceContributions` is never constructed
[INFO] [stdout]   --> src/sections/mod.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct OpenSourceContributions;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Olympiads` is never constructed
[INFO] [stdout]   --> src/sections/mod.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | struct Olympiads;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 57.49s
[INFO] running `Command { std: "docker" "inspect" "8e5ca781e186411dd9356cacfbdddee4051759041c19f1865b6bb22bc6054a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e5ca781e186411dd9356cacfbdddee4051759041c19f1865b6bb22bc6054a65", kill_on_drop: false }`
[INFO] [stdout] 8e5ca781e186411dd9356cacfbdddee4051759041c19f1865b6bb22bc6054a65