[INFO] fetching crate server_sync 0.2.15...
[INFO] checking server_sync-0.2.15 against 1.95.0 for pr-155915
[INFO] extracting crate server_sync 0.2.15 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate server_sync 0.2.15
[INFO] finished tweaking crates.io crate server_sync 0.2.15
[INFO] tweaked toml for crates.io crate server_sync 0.2.15 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate server_sync 0.2.15 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate server_sync 0.2.15 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded envfile v0.2.1
[INFO] [stderr]   Downloaded pest_generator v2.4.0
[INFO] [stderr]   Downloaded clap_derive v4.0.13
[INFO] [stderr]   Downloaded paris v1.5.13
[INFO] [stderr]   Downloaded simplelog v0.12.0
[INFO] [stderr]   Downloaded snailquote v0.2.0
[INFO] [stderr]   Downloaded similar v2.2.0
[INFO] [stderr]   Downloaded anyhow v1.0.65
[INFO] [stderr]   Downloaded time v0.3.15
[INFO] [stderr]   Downloaded pest v2.4.0
[INFO] [stderr]   Downloaded handlebars v4.3.5
[INFO] [stderr]   Downloaded serde_json v1.0.86
[INFO] [stderr]   Downloaded digest v0.10.5
[INFO] [stderr]   Downloaded clap v4.0.14
[INFO] [stderr]   Downloaded serde v1.0.145
[INFO] [stderr]   Downloaded file-owner v0.1.1
[INFO] [stderr]   Downloaded pest_meta v2.4.0
[INFO] [stderr]   Downloaded pest_derive v2.4.0
[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_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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f520fe08a7159482836d4b7db5312058eec5d0b5724c6a5f231d090a34c7f4ab
[INFO] running `Command { std: "docker" "start" "-a" "f520fe08a7159482836d4b7db5312058eec5d0b5724c6a5f231d090a34c7f4ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f520fe08a7159482836d4b7db5312058eec5d0b5724c6a5f231d090a34c7f4ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f520fe08a7159482836d4b7db5312058eec5d0b5724c6a5f231d090a34c7f4ab", kill_on_drop: false }`
[INFO] [stdout] f520fe08a7159482836d4b7db5312058eec5d0b5724c6a5f231d090a34c7f4ab
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9086f0c8efefdfd952e143229fb434d03c63d108e261346f9ffb588bdf120126
[INFO] running `Command { std: "docker" "start" "-a" "9086f0c8efefdfd952e143229fb434d03c63d108e261346f9ffb588bdf120126", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde_json v1.0.86
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]     Checking snailquote v0.2.0
[INFO] [stderr]     Checking clap_lex v0.3.0
[INFO] [stderr]     Checking paris v1.5.13
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking envfile v0.2.1
[INFO] [stderr]     Checking similar v2.2.0
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking time v0.3.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.25.0
[INFO] [stderr]     Checking simplelog v0.12.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling clap_derive v4.0.13
[INFO] [stderr]     Checking file-owner v0.1.1
[INFO] [stderr]    Compiling pest v2.4.0
[INFO] [stderr]    Compiling pest_meta v2.4.0
[INFO] [stderr]     Checking clap v4.0.14
[INFO] [stderr]    Compiling pest_generator v2.4.0
[INFO] [stderr]    Compiling pest_derive v2.4.0
[INFO] [stderr]     Checking handlebars v4.3.5
[INFO] [stderr]     Checking server_sync v0.2.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]  --> src/config.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | use simplelog::{debug, trace, warn};
[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: `Display`
[INFO] [stdout]  --> src/config.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::fmt::{Debug, Display, Formatter};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `group` and `owner`
[INFO] [stdout]  --> src/main.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use file_owner::{group, owner};
[INFO] [stdout]   |                  ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `simplelog::__private::log::SetLoggerError`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use simplelog::__private::log::SetLoggerError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Color` and `Config`
[INFO] [stdout]   --> src/main.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |     debug, error, info, trace, Color, ColorChoice, Config, ConfigBuilder, LevelFilter, TermLogger,
[INFO] [stdout]    |                                ^^^^^               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `current_dir` and `vars_os`
[INFO] [stdout]   --> src/main.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::env::{current_dir, vars_os};
[INFO] [stdout]    |                ^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::error::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `create_dir_all`
[INFO] [stdout]   --> src/main.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::fs::{create_dir, create_dir_all, read, rename, set_permissions, File, Permissions};
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ErrorKind`
[INFO] [stdout]   --> src/main.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::io::{ErrorKind, Read, Write};
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]   --> src/main.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::{env, fs};
[INFO] [stdout]    |                ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |                return return Err(format_err!(
[INFO] [stdout]     |  ______________^      -
[INFO] [stdout]     | | ____________________|
[INFO] [stdout] 124 | ||                 "Server source root doesn't exist or is not a directory: {}",
[INFO] [stdout] 125 | ||                 context.source_root.display()
[INFO] [stdout] 126 | ||             ));
[INFO] [stdout]     | ||              ^
[INFO] [stdout]     | ||______________|
[INFO] [stdout]     |  |______________unreachable expression
[INFO] [stdout]     |                 any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]  --> src/config.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | use simplelog::{debug, trace, warn};
[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: `Display`
[INFO] [stdout]  --> src/config.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::fmt::{Debug, Display, Formatter};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `group` and `owner`
[INFO] [stdout]  --> src/main.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use file_owner::{group, owner};
[INFO] [stdout]   |                  ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `simplelog::__private::log::SetLoggerError`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use simplelog::__private::log::SetLoggerError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Color` and `Config`
[INFO] [stdout]   --> src/main.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |     debug, error, info, trace, Color, ColorChoice, Config, ConfigBuilder, LevelFilter, TermLogger,
[INFO] [stdout]    |                                ^^^^^               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `current_dir` and `vars_os`
[INFO] [stdout]   --> src/main.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::env::{current_dir, vars_os};
[INFO] [stdout]    |                ^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::error::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `create_dir_all`
[INFO] [stdout]   --> src/main.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::fs::{create_dir, create_dir_all, read, rename, set_permissions, File, Permissions};
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ErrorKind`
[INFO] [stdout]   --> src/main.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::io::{ErrorKind, Read, Write};
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]   --> src/main.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::{env, fs};
[INFO] [stdout]    |                ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `clap::builder::TypedValueParser`
[INFO] [stdout]  --> src/config.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use clap::builder::TypedValueParser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufRead`
[INFO] [stdout]   --> src/config.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::BufRead;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DiffableStr`
[INFO] [stdout]  --> src/main.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 | use similar::{ChangeTag, DiffableStr, TextDiff};
[INFO] [stdout]   |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |                return return Err(format_err!(
[INFO] [stdout]     |  ______________^      -
[INFO] [stdout]     | | ____________________|
[INFO] [stdout] 124 | ||                 "Server source root doesn't exist or is not a directory: {}",
[INFO] [stdout] 125 | ||                 context.source_root.display()
[INFO] [stdout] 126 | ||             ));
[INFO] [stdout]     | ||              ^
[INFO] [stdout]     | ||______________|
[INFO] [stdout]     |  |______________unreachable expression
[INFO] [stdout]     |                 any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `clap::builder::TypedValueParser`
[INFO] [stdout]  --> src/config.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use clap::builder::TypedValueParser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufRead`
[INFO] [stdout]   --> src/config.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::BufRead;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DiffableStr`
[INFO] [stdout]  --> src/main.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 | use similar::{ChangeTag, DiffableStr, TextDiff};
[INFO] [stdout]   |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.33s
[INFO] running `Command { std: "docker" "inspect" "9086f0c8efefdfd952e143229fb434d03c63d108e261346f9ffb588bdf120126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9086f0c8efefdfd952e143229fb434d03c63d108e261346f9ffb588bdf120126", kill_on_drop: false }`
[INFO] [stdout] 9086f0c8efefdfd952e143229fb434d03c63d108e261346f9ffb588bdf120126
