[INFO] cloning repository https://github.com/dizda/file-trailer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dizda/file-trailer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdizda%2Ffile-trailer", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ee950d4f9b2bd54cabf38abb2531a5fe9b73842
[INFO] checking dizda/file-trailer against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdizda%2Ffile-trailer" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dizda/file-trailer
[INFO] finished tweaking git repo https://github.com/dizda/file-trailer
[INFO] tweaked toml for git repo https://github.com/dizda/file-trailer written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dizda/file-trailer on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dizda/file-trailer 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 586229f84154e96c274de9004cf086311def634349c14e670f1ea8ea39585c2c
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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_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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77376f3188820eb9cc1cfdece2f379297c58dbd33769853e6473e34474ffea13
[INFO] running `Command { std: "docker" "start" "-a" "77376f3188820eb9cc1cfdece2f379297c58dbd33769853e6473e34474ffea13", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/reader.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::{Path, PathBuf};
[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: `SystemTime`
[INFO] [stdout]  --> src/rotator.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::{Duration, SystemTime};
[INFO] [stdout]   |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Algorithm`
[INFO] [stdout]    --> src/rotator.rs:218:11
[INFO] [stdout]     |
[INFO] [stdout] 218 | use crc::{Algorithm, Crc, CRC_32_ISCSI};
[INFO] [stdout]     |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Cursor`
[INFO] [stdout]    --> src/rotator.rs:303:43
[INFO] [stdout]     |
[INFO] [stdout] 303 |         use std::io::{BufRead, BufReader, Cursor};
[INFO] [stdout]     |                                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]   --> src/lib.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::path::{Path, PathBuf};
[INFO] [stdout]    |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/reader.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::{Path, PathBuf};
[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: `SystemTime`
[INFO] [stdout]  --> src/rotator.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::{Duration, SystemTime};
[INFO] [stdout]   |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Algorithm`
[INFO] [stdout]    --> src/rotator.rs:218:11
[INFO] [stdout]     |
[INFO] [stdout] 218 | use crc::{Algorithm, Crc, CRC_32_ISCSI};
[INFO] [stdout]     |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Cursor`
[INFO] [stdout]    --> src/rotator.rs:303:43
[INFO] [stdout]     |
[INFO] [stdout] 303 |         use std::io::{BufRead, BufReader, Cursor};
[INFO] [stdout]     |                                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]   --> src/lib.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::path::{Path, PathBuf};
[INFO] [stdout]    |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> src/tail.rs:27:35
[INFO] [stdout]    |
[INFO] [stdout] 27 | use std::io::{BufRead, BufReader, Read, Seek, SeekFrom};
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> src/tail.rs:27:35
[INFO] [stdout]    |
[INFO] [stdout] 27 | use std::io::{BufRead, BufReader, Read, Seek, SeekFrom};
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/reader.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn work(mut self) -> Arc<Notify> {
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `filepath`, `date_format`, and `max_size` are never read
[INFO] [stdout]   --> src/rotator.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Rotator {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 31 |     /// Log file that needs to be watched & rotated
[INFO] [stdout] 32 |     filepath: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     date_format: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 43 |     /// Rotate after reaching this file size
[INFO] [stdout] 44 |     max_size: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `check_file_exists`, `can_be_rotated`, and `rotate` are never used
[INFO] [stdout]    --> src/rotator.rs:115:14
[INFO] [stdout]     |
[INFO] [stdout]  49 | impl Rotator {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 115 |     async fn check_file_exists(&self) -> Result<bool> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     async fn can_be_rotated(&self) -> Result<bool> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |     async fn rotate(&self) -> Result<()> {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset` is never used
[INFO] [stdout]    --> src/rotator.rs:321:12
[INFO] [stdout]     |
[INFO] [stdout] 232 | impl SavedState {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 321 |     pub fn reset(&mut self) -> Result<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/reader.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn work(mut self) -> Arc<Notify> {
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `filepath`, `date_format`, and `max_size` are never read
[INFO] [stdout]   --> src/rotator.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Rotator {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 31 |     /// Log file that needs to be watched & rotated
[INFO] [stdout] 32 |     filepath: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     date_format: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 43 |     /// Rotate after reaching this file size
[INFO] [stdout] 44 |     max_size: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `check_file_exists`, `can_be_rotated`, and `rotate` are never used
[INFO] [stdout]    --> src/rotator.rs:115:14
[INFO] [stdout]     |
[INFO] [stdout]  49 | impl Rotator {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 115 |     async fn check_file_exists(&self) -> Result<bool> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     async fn can_be_rotated(&self) -> Result<bool> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |     async fn rotate(&self) -> Result<()> {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset` is never used
[INFO] [stdout]    --> src/rotator.rs:321:12
[INFO] [stdout]     |
[INFO] [stdout] 232 | impl SavedState {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 321 |     pub fn reset(&mut self) -> Result<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.49s
[INFO] running `Command { std: "docker" "inspect" "77376f3188820eb9cc1cfdece2f379297c58dbd33769853e6473e34474ffea13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77376f3188820eb9cc1cfdece2f379297c58dbd33769853e6473e34474ffea13", kill_on_drop: false }`
[INFO] [stdout] 77376f3188820eb9cc1cfdece2f379297c58dbd33769853e6473e34474ffea13
