[INFO] fetching crate diskbench 0.2.1...
[INFO] checking diskbench-0.2.1 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate diskbench 0.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate diskbench 0.2.1
[INFO] finished tweaking crates.io crate diskbench 0.2.1
[INFO] tweaked toml for crates.io crate diskbench 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate diskbench 0.2.1 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate diskbench 0.2.1 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parse-size v1.0.0
[INFO] [stderr]   Downloaded seahorse v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e71a72456cb6f9ca11bd9beedfeb3500531133a61e0a37bc3d80a33f574e8eec
[INFO] running `Command { std: "docker" "start" "-a" "e71a72456cb6f9ca11bd9beedfeb3500531133a61e0a37bc3d80a33f574e8eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e71a72456cb6f9ca11bd9beedfeb3500531133a61e0a37bc3d80a33f574e8eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e71a72456cb6f9ca11bd9beedfeb3500531133a61e0a37bc3d80a33f574e8eec", kill_on_drop: false }`
[INFO] [stdout] e71a72456cb6f9ca11bd9beedfeb3500531133a61e0a37bc3d80a33f574e8eec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed95b6388b70654c3ee910ead6beab705b8f582ab16ec3df9b6c2cdaede877d9
[INFO] running `Command { std: "docker" "start" "-a" "ed95b6388b70654c3ee910ead6beab705b8f582ab16ec3df9b6c2cdaede877d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking parse-size v1.0.0
[INFO] [stderr]     Checking seahorse v2.0.0
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking diskbench v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SeekFrom` and `Seek`
[INFO] [stdout]  --> src/diskbench.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Write, Result, Read, Seek, SeekFrom, BufReader};
[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 imports: `SeekFrom` and `Seek`
[INFO] [stdout]  --> src/diskbench.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Write, Result, Read, Seek, SeekFrom, BufReader};
[INFO] [stdout]   |                                    ^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_kilobyte` is never used
[INFO] [stdout]   --> src/diskbench.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait HumanReadable {
[INFO] [stdout]    |           ------------- method in this trait
[INFO] [stdout] 20 |   fn to_kilobyte(self) -> String;
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_kilobyte` is never used
[INFO] [stdout]   --> src/diskbench.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait HumanReadable {
[INFO] [stdout]    |           ------------- method in this trait
[INFO] [stdout] 20 |   fn to_kilobyte(self) -> String;
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "ed95b6388b70654c3ee910ead6beab705b8f582ab16ec3df9b6c2cdaede877d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed95b6388b70654c3ee910ead6beab705b8f582ab16ec3df9b6c2cdaede877d9", kill_on_drop: false }`
[INFO] [stdout] ed95b6388b70654c3ee910ead6beab705b8f582ab16ec3df9b6c2cdaede877d9
