[INFO] fetching crate fast_log 1.3.32...
[INFO] testing fast_log-1.3.32 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate fast_log 1.3.32 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate fast_log 1.3.32 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08083e252d8208949204a8438815a43d47e861881be4414eeebb3ad81a8bdc79
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "08083e252d8208949204a8438815a43d47e861881be4414eeebb3ad81a8bdc79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08083e252d8208949204a8438815a43d47e861881be4414eeebb3ad81a8bdc79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08083e252d8208949204a8438815a43d47e861881be4414eeebb3ad81a8bdc79", kill_on_drop: false }`
[INFO] [stdout] 08083e252d8208949204a8438815a43d47e861881be4414eeebb3ad81a8bdc79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfe7c4dd9de4b38d46b021e5151152c57d210a6bf59a646dd0a83262c12231d6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bfe7c4dd9de4b38d46b021e5151152c57d210a6bf59a646dd0a83262c12231d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling bzip2 v0.4.3
[INFO] [stderr]    Compiling zip v0.5.13
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling 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: 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: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.50s
[INFO] running `Command { std: "docker" "inspect" "bfe7c4dd9de4b38d46b021e5151152c57d210a6bf59a646dd0a83262c12231d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfe7c4dd9de4b38d46b021e5151152c57d210a6bf59a646dd0a83262c12231d6", kill_on_drop: false }`
[INFO] [stdout] bfe7c4dd9de4b38d46b021e5151152c57d210a6bf59a646dd0a83262c12231d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3fd7248fec56b13b366f55e0206e1d5e064894661e9da67d807dd62ce7d99f4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f3fd7248fec56b13b366f55e0206e1d5e064894661e9da67d807dd62ce7d99f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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: 13 warnings emitted
[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/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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "f3fd7248fec56b13b366f55e0206e1d5e064894661e9da67d807dd62ce7d99f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3fd7248fec56b13b366f55e0206e1d5e064894661e9da67d807dd62ce7d99f4", kill_on_drop: false }`
[INFO] [stdout] f3fd7248fec56b13b366f55e0206e1d5e064894661e9da67d807dd62ce7d99f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2966301d7b95e39e1f6e199bfc742ca8f9beebd833e97ed44aa3caa47255e49e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2966301d7b95e39e1f6e199bfc742ca8f9beebd833e97ed44aa3caa47255e49e", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Local`, `Timelike`
[INFO] [stderr]  --> src/appender.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | use chrono::{DateTime, Local, Utc, Timelike, Duration};
[INFO] [stderr]   |                        ^^^^^       ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RecvError`
[INFO] [stderr]  --> src/fast_log.rs:2:46
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crossbeam_channel::{Receiver, SendError, RecvError};
[INFO] [stderr]   |                                              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]   --> src/fast_log.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::time::{SystemTime, Duration};
[INFO] [stderr]    |                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]   --> src/fast_log.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::sync::Arc;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DirBuilder`
[INFO] [stderr]  --> src/plugin/file.rs:3:34
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs::{File, OpenOptions, DirBuilder};
[INFO] [stderr]   |                                  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DirBuilder`
[INFO] [stderr]  --> src/plugin/file_split.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::{DirBuilder, DirEntry, File, OpenOptions};
[INFO] [stderr]   |               ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`, `Error`
[INFO] [stderr]  --> src/plugin/file_split.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{BufRead, BufReader, Seek, SeekFrom, Write, Error};
[INFO] [stderr]   |               ^^^^^^^  ^^^^^^^^^                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `zip::write::FileOptions`
[INFO] [stderr]  --> src/plugin/file_split.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use zip::write::FileOptions;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `zip::result::ZipResult`
[INFO] [stderr]   --> src/plugin/file_split.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use zip::result::ZipResult;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`, `Error`
[INFO] [stderr]  --> src/plugin/packer.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{BufReader, Write, BufRead, Error};
[INFO] [stderr]   |               ^^^^^^^^^         ^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/plugin/packer.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/fast_log.rs:186:21
[INFO] [stderr]     |
[INFO] [stderr] 186 |                 let mut s: FastLogRecord = data.unwrap();
[INFO] [stderr]     |                     ----^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/plugin/packer.rs:16:23
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn do_pack(&self, mut log_file: File, log_file_path: &str) -> Result<bool, LogError> {
[INFO] [stderr]    |                       ----^^^^^^^^
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `fast_log` (lib) generated 13 warnings
[INFO] [stderr] warning: `fast_log` (lib test) generated 13 warnings (13 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fast_log-37d99c1b276e7721)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests fast_log
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error[E0659]: `fast_log` is ambiguous
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub use fast_log::init_custom_log;
[INFO] [stderr]    |         ^^^^^^^^ ambiguous name
[INFO] [stderr]    |
[INFO] [stderr]    = note: ambiguous because of multiple potential import sources
[INFO] [stderr]    = note: `fast_log` could refer to a crate passed with `--extern`
[INFO] [stderr]    = help: use `::fast_log` to refer to this crate unambiguously
[INFO] [stderr] note: `fast_log` could also refer to the module defined here
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub mod fast_log;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: use `crate::fast_log` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error[E0659]: `fast_log` is ambiguous
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub use fast_log::init_log;
[INFO] [stderr]    |         ^^^^^^^^ ambiguous name
[INFO] [stderr]    |
[INFO] [stderr]    = note: ambiguous because of multiple potential import sources
[INFO] [stderr]    = note: `fast_log` could refer to a crate passed with `--extern`
[INFO] [stderr]    = help: use `::fast_log` to refer to this crate unambiguously
[INFO] [stderr] note: `fast_log` could also refer to the module defined here
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub mod fast_log;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: use `crate::fast_log` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error[E0659]: `fast_log` is ambiguous
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub use fast_log::init_split_log;
[INFO] [stderr]    |         ^^^^^^^^ ambiguous name
[INFO] [stderr]    |
[INFO] [stderr]    = note: ambiguous because of multiple potential import sources
[INFO] [stderr]    = note: `fast_log` could refer to a crate passed with `--extern`
[INFO] [stderr]    = help: use `::fast_log` to refer to this crate unambiguously
[INFO] [stderr] note: `fast_log` could also refer to the module defined here
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub mod fast_log;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: use `crate::fast_log` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0659`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "2966301d7b95e39e1f6e199bfc742ca8f9beebd833e97ed44aa3caa47255e49e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2966301d7b95e39e1f6e199bfc742ca8f9beebd833e97ed44aa3caa47255e49e", kill_on_drop: false }`
[INFO] [stdout] 2966301d7b95e39e1f6e199bfc742ca8f9beebd833e97ed44aa3caa47255e49e