[INFO] fetching crate fast_log 1.3.32...
[INFO] checking fast_log-1.3.32 against 1.55.0 for beta-1.56-3
[INFO] extracting crate fast_log 1.3.32 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate fast_log 1.3.32 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast_log 1.3.32
[INFO] finished tweaking crates.io crate fast_log 1.3.32
[INFO] tweaked toml for crates.io crate fast_log 1.3.32 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.2
[INFO] [stderr]   Downloaded crossbeam v0.8.1
[INFO] [stderr]   Downloaded zip v0.5.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b25dc1701627917f3c1f69a678b73ea6a45f069cf6930a9129c954b9a1d79ff7
[INFO] running `Command { std: "docker" "start" "-a" "b25dc1701627917f3c1f69a678b73ea6a45f069cf6930a9129c954b9a1d79ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b25dc1701627917f3c1f69a678b73ea6a45f069cf6930a9129c954b9a1d79ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b25dc1701627917f3c1f69a678b73ea6a45f069cf6930a9129c954b9a1d79ff7", kill_on_drop: false }`
[INFO] [stdout] b25dc1701627917f3c1f69a678b73ea6a45f069cf6930a9129c954b9a1d79ff7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b652e75eaee61d9ab73106a28cdd501cc7acdcfab58cb43ae5765dbf5eec2f34
[INFO] running `Command { std: "docker" "start" "-a" "b652e75eaee61d9ab73106a28cdd501cc7acdcfab58cb43ae5765dbf5eec2f34", kill_on_drop: false }`
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[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling libc v0.2.103
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[INFO] [stderr]    Compiling syn v1.0.80
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[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking itoa v0.4.8
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[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
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[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking fast_log v1.3.32 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Local`, `Timelike`
[INFO] [stdout]  --> src/appender.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use chrono::{DateTime, Local, Utc, Timelike, Duration};
[INFO] [stdout]   |                        ^^^^^       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RecvError`
[INFO] [stdout]  --> src/fast_log.rs:2:46
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossbeam_channel::{Receiver, SendError, RecvError};
[INFO] [stdout]   |                                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/fast_log.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::time::{SystemTime, Duration};
[INFO] [stdout]    |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> src/fast_log.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DirBuilder`
[INFO] [stdout]  --> src/plugin/file.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::{File, OpenOptions, DirBuilder};
[INFO] [stdout]   |                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DirBuilder`
[INFO] [stdout]  --> src/plugin/file_split.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{DirBuilder, DirEntry, File, OpenOptions};
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Error`
[INFO] [stdout]  --> src/plugin/file_split.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead, BufReader, Seek, SeekFrom, Write, Error};
[INFO] [stdout]   |               ^^^^^^^  ^^^^^^^^^                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `zip::write::FileOptions`
[INFO] [stdout]  --> src/plugin/file_split.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use zip::write::FileOptions;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `zip::result::ZipResult`
[INFO] [stdout]   --> src/plugin/file_split.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use zip::result::ZipResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Error`
[INFO] [stdout]  --> src/plugin/packer.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufReader, Write, BufRead, Error};
[INFO] [stdout]   |               ^^^^^^^^^         ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/plugin/packer.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Local`, `Timelike`
[INFO] [stdout]  --> src/appender.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use chrono::{DateTime, Local, Utc, Timelike, Duration};
[INFO] [stdout]   |                        ^^^^^       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RecvError`
[INFO] [stdout]  --> src/fast_log.rs:2:46
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossbeam_channel::{Receiver, SendError, RecvError};
[INFO] [stdout]   |                                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/fast_log.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::time::{SystemTime, Duration};
[INFO] [stdout]    |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> src/fast_log.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DirBuilder`
[INFO] [stdout]  --> src/plugin/file.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::{File, OpenOptions, DirBuilder};
[INFO] [stdout]   |                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DirBuilder`
[INFO] [stdout]  --> src/plugin/file_split.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{DirBuilder, DirEntry, File, OpenOptions};
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Error`
[INFO] [stdout]  --> src/plugin/file_split.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead, BufReader, Seek, SeekFrom, Write, Error};
[INFO] [stdout]   |               ^^^^^^^  ^^^^^^^^^                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `zip::write::FileOptions`
[INFO] [stdout]  --> src/plugin/file_split.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use zip::write::FileOptions;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `zip::result::ZipResult`
[INFO] [stdout]   --> src/plugin/file_split.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use zip::result::ZipResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Error`
[INFO] [stdout]  --> src/plugin/packer.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufReader, Write, BufRead, Error};
[INFO] [stdout]   |               ^^^^^^^^^         ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/plugin/packer.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/fast_log.rs:186:21
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 let mut s: FastLogRecord = data.unwrap();
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/fast_log.rs:186:21
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 let mut s: FastLogRecord = data.unwrap();
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/plugin/packer.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn do_pack(&self, mut log_file: File, log_file_path: &str) -> Result<bool, LogError> {
[INFO] [stdout]    |                       ----^^^^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/plugin/packer.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn do_pack(&self, mut log_file: File, log_file_path: &str) -> Result<bool, LogError> {
[INFO] [stdout]    |                       ----^^^^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.72s
[INFO] running `Command { std: "docker" "inspect" "b652e75eaee61d9ab73106a28cdd501cc7acdcfab58cb43ae5765dbf5eec2f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b652e75eaee61d9ab73106a28cdd501cc7acdcfab58cb43ae5765dbf5eec2f34", kill_on_drop: false }`
[INFO] [stdout] b652e75eaee61d9ab73106a28cdd501cc7acdcfab58cb43ae5765dbf5eec2f34
