[INFO] fetching crate postar 0.1.0...
[INFO] checking postar-0.1.0 against master#a33907a7a5381473eec8bcfa0c56e05a856a911c for pr-151539
[INFO] extracting crate postar 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate postar 0.1.0
[INFO] finished tweaking crates.io crate postar 0.1.0
[INFO] tweaked toml for crates.io crate postar 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate postar 0.1.0 on toolchain a33907a7a5381473eec8bcfa0c56e05a856a911c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate postar 0.1.0 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" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e61d7451da3d65efba779fbae6c991aff211b4d2876caa9b3b73250cf7229aa
[INFO] running `Command { std: "docker" "start" "-a" "2e61d7451da3d65efba779fbae6c991aff211b4d2876caa9b3b73250cf7229aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e61d7451da3d65efba779fbae6c991aff211b4d2876caa9b3b73250cf7229aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e61d7451da3d65efba779fbae6c991aff211b4d2876caa9b3b73250cf7229aa", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "1ba7a677e742788c8563429a642b1ed2250174b4d604fd01aa380c17b7e06f10", kill_on_drop: false }`
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[INFO] [stderr]    Compiling postar v0.1.0 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: unused import: `chumsky::prelude::custom`
[INFO] [stdout]  --> src/cli.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chumsky::prelude::custom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ValueHint`
[INFO] [stdout]  --> src/cli.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | use clap::{CommandFactory, ValueHint};
[INFO] [stdout]   |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LevelFilter`
[INFO] [stdout]  --> src/cli.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use log::{LevelFilter, error, info};
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Serialize`
[INFO] [stdout]  --> src/cli.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]   --> src/cli.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 | use anyhow::{Context, anyhow};
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/dsl.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Context`
[INFO] [stdout]  --> src/dsl.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::Context;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ouroboros::self_referencing`
[INFO] [stdout]  --> src/inbox.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ouroboros::self_referencing;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chumsky::prelude::any`
[INFO] [stdout]  --> src/inbox/imap_inbox.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use chumsky::prelude::any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]   --> src/inbox/imap_inbox.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | use log::{debug, info, warn};
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tokio-rustls v0.26.4
[INFO] [stderr]     Checking ureq v3.1.4
[INFO] [stderr]     Checking hyper v1.7.0
[INFO] [stderr]     Checking hickory-proto v0.26.0-alpha.1
[INFO] [stdout] warning: variant `ExpectedStringMatcherKeyword` is never constructed
[INFO] [stdout]   --> src/dsl/parser.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub enum ParserError<'a> {
[INFO] [stdout]    |          ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 34 |     ExpectedStringMatcherKeyword(Span),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParserError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UIDRange` is never used
[INFO] [stdout]   --> src/inbox.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum UIDRange {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `fetch_all_messages_in_folder` and `fetch_messages_in_folder` are never used
[INFO] [stdout]   --> src/inbox.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub trait Inbox {
[INFO] [stdout]    |           ----- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn fetch_all_messages_in_folder(&mut self, folder: &Folder) -> anyhow::Result<Vec<Message>>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn fetch_messages_in_folder(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `close` is never used
[INFO] [stdout]    --> src/inbox/imap_inbox.rs:266:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | impl<T: Read + Write + SetReadTimeout> IMAPInbox<T> {
[INFO] [stdout]     | --------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 266 |     fn close(&mut self) -> anyhow::Result<()> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hyper-util v0.1.17
[INFO] [stderr]     Checking hyper-timeout v0.5.2
[INFO] [stderr]     Checking hyperlocal v0.9.1
[INFO] [stderr]     Checking hyper-rustls v0.27.7
[INFO] [stderr]     Checking tonic v0.14.2
[INFO] [stderr]     Checking hickory-resolver v0.26.0-alpha.1
[INFO] [stderr]     Checking tonic-prost v0.14.2
[INFO] [stderr]     Checking mail-auth v0.7.2
[INFO] [stderr]     Checking mail-send v0.5.2
[INFO] [stderr]     Checking bollard-stubs v1.49.1-rc.28.4.0
[INFO] [stderr]     Checking bollard v0.19.4
[INFO] [stderr]     Checking testcontainers v0.25.2
[INFO] [stdout] warning: unused import: `chumsky::prelude::custom`
[INFO] [stdout]  --> src/cli.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chumsky::prelude::custom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ValueHint`
[INFO] [stdout]  --> src/cli.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | use clap::{CommandFactory, ValueHint};
[INFO] [stdout]   |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LevelFilter`
[INFO] [stdout]  --> src/cli.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use log::{LevelFilter, error, info};
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Serialize`
[INFO] [stdout]  --> src/cli.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]   --> src/cli.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 | use anyhow::{Context, anyhow};
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/dsl.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Context`
[INFO] [stdout]  --> src/dsl.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::Context;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ouroboros::self_referencing`
[INFO] [stdout]  --> src/inbox.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ouroboros::self_referencing;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `get_host_container`
[INFO] [stdout]  --> src/inbox/imap_tests.rs:7:62
[INFO] [stdout]   |
[INFO] [stdout] 7 |     find_folder_contains, find_folder_equals, get_container, get_host_container,
[INFO] [stdout]   |                                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chumsky::prelude::any`
[INFO] [stdout]  --> src/inbox/imap_inbox.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use chumsky::prelude::any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]   --> src/inbox/imap_inbox.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | use log::{debug, info, warn};
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ExpectedStringMatcherKeyword` is never constructed
[INFO] [stdout]   --> src/dsl/parser.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub enum ParserError<'a> {
[INFO] [stdout]    |          ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 34 |     ExpectedStringMatcherKeyword(Span),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParserError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UIDRange` is never used
[INFO] [stdout]   --> src/inbox.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum UIDRange {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fetch_messages_in_folder` is never used
[INFO] [stdout]   --> src/inbox.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub trait Inbox {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn fetch_messages_in_folder(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `close` is never used
[INFO] [stdout]    --> src/inbox/imap_inbox.rs:266:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | impl<T: Read + Write + SetReadTimeout> IMAPInbox<T> {
[INFO] [stdout]     | --------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 266 |     fn close(&mut self) -> anyhow::Result<()> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_host_container` is never used
[INFO] [stdout]   --> src/test_helpers.rs:95:14
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub async fn get_host_container() -> IMAPContainerData {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.33s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: imap-proto v0.10.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "1ba7a677e742788c8563429a642b1ed2250174b4d604fd01aa380c17b7e06f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ba7a677e742788c8563429a642b1ed2250174b4d604fd01aa380c17b7e06f10", kill_on_drop: false }`
[INFO] [stdout] 1ba7a677e742788c8563429a642b1ed2250174b4d604fd01aa380c17b7e06f10