[INFO] fetching crate getemail 3.1.2...
[INFO] checking getemail-3.1.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate getemail 3.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate getemail 3.1.2
[INFO] finished tweaking crates.io crate getemail 3.1.2
[INFO] tweaked toml for crates.io crate getemail 3.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate getemail 3.1.2 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate getemail 3.1.2 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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 async-http-proxy v1.2.5
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[INFO] [stderr]   Downloaded async-pop2 v1.1.1
[INFO] [stderr]   Downloaded mail-parser v0.9.4
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[INFO] [stdout] 6c82d675c307a703cfd14f6e892be4ae4cc17545ba5a44ba8d4942af8e715b41
[INFO] running `Command { std: "docker" "start" "-a" "6c82d675c307a703cfd14f6e892be4ae4cc17545ba5a44ba8d4942af8e715b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c82d675c307a703cfd14f6e892be4ae4cc17545ba5a44ba8d4942af8e715b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c82d675c307a703cfd14f6e892be4ae4cc17545ba5a44ba8d4942af8e715b41", kill_on_drop: false }`
[INFO] [stdout] 6c82d675c307a703cfd14f6e892be4ae4cc17545ba5a44ba8d4942af8e715b41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b72097ac602b65c7a46e1d7902697532439a52e509f0c2d977f86bda682c921
[INFO] running `Command { std: "docker" "start" "-a" "6b72097ac602b65c7a46e1d7902697532439a52e509f0c2d977f86bda682c921", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `DateTime` and `Utc`
[INFO] [stdout]  --> src/common.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use chrono::{DateTime, Utc};
[INFO] [stdout]   |              ^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::Cow`
[INFO] [stdout]  --> src/server_map.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     borrow::Cow,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DateTime` and `Utc`
[INFO] [stdout]  --> src/common.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use chrono::{DateTime, Utc};
[INFO] [stdout]   |              ^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::Cow`
[INFO] [stdout]  --> src/server_map.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     borrow::Cow,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Earlier` is never constructed
[INFO] [stdout]    --> src/filters.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub enum DateFilterMode {
[INFO] [stdout]     |              -------------- variant in this enum
[INFO] [stdout] 232 |         Since,
[INFO] [stdout] 233 |         Earlier,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `since_now` is never used
[INFO] [stdout]    --> src/filters.rs:248:16
[INFO] [stdout]     |
[INFO] [stdout] 240 |     impl DateFilter {
[INFO] [stdout]     |     --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 248 |         pub fn since_now() -> Self {
[INFO] [stdout]     |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mailbox_info` is never read
[INFO] [stdout]  --> src/pop3_protocol.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Pop3 {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 6 |     client: async_pop2::Client<Box<dyn Conn>>,
[INFO] [stdout] 7 |     mailbox_info: Mailbox,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Earlier` is never constructed
[INFO] [stdout]    --> src/filters.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub enum DateFilterMode {
[INFO] [stdout]     |              -------------- variant in this enum
[INFO] [stdout] 232 |         Since,
[INFO] [stdout] 233 |         Earlier,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `since_now` is never used
[INFO] [stdout]    --> src/filters.rs:248:16
[INFO] [stdout]     |
[INFO] [stdout] 240 |     impl DateFilter {
[INFO] [stdout]     |     --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 248 |         pub fn since_now() -> Self {
[INFO] [stdout]     |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mailbox_info` is never read
[INFO] [stdout]  --> src/pop3_protocol.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Pop3 {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 6 |     client: async_pop2::Client<Box<dyn Conn>>,
[INFO] [stdout] 7 |     mailbox_info: Mailbox,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.30s
[INFO] running `Command { std: "docker" "inspect" "6b72097ac602b65c7a46e1d7902697532439a52e509f0c2d977f86bda682c921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b72097ac602b65c7a46e1d7902697532439a52e509f0c2d977f86bda682c921", kill_on_drop: false }`
[INFO] [stdout] 6b72097ac602b65c7a46e1d7902697532439a52e509f0c2d977f86bda682c921