[INFO] fetching crate diskbench 0.2.1...
[INFO] testing diskbench-0.2.1 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate diskbench 0.2.1 into /workspace/builds/worker-2-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate diskbench 0.2.1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4e2b4532996ea12e739ad740fdb05b2a7309defe3e474bd135649a0839e4108f
[INFO] running `Command { std: "docker" "start" "4e2b4532996ea12e739ad740fdb05b2a7309defe3e474bd135649a0839e4108f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e2b4532996ea12e739ad740fdb05b2a7309defe3e474bd135649a0839e4108f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4e2b4532996ea12e739ad740fdb05b2a7309defe3e474bd135649a0839e4108f" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e2b4532996ea12e739ad740fdb05b2a7309defe3e474bd135649a0839e4108f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4e2b4532996ea12e739ad740fdb05b2a7309defe3e474bd135649a0839e4108f" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling parse-size v1.0.0
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling seahorse v2.0.0
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr]    Compiling 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: 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] warning: unused dependency `fastrand`
[INFO] [stderr]  --> Cargo.toml:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | [dependencies.fastrand]
[INFO] [stderr]   |               ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `fastrand`
[INFO] [stderr] warning: `diskbench` (manifest) generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 8.59s
[INFO] running `Command { std: "docker" "inspect" "4e2b4532996ea12e739ad740fdb05b2a7309defe3e474bd135649a0839e4108f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4e2b4532996ea12e739ad740fdb05b2a7309defe3e474bd135649a0839e4108f" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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] warning: unused dependency `fastrand`
[INFO] [stderr]  --> Cargo.toml:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | [dependencies.fastrand]
[INFO] [stderr]   |               ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `fastrand`
[INFO] [stderr] warning: `diskbench` (manifest) generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "4e2b4532996ea12e739ad740fdb05b2a7309defe3e474bd135649a0839e4108f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4e2b4532996ea12e739ad740fdb05b2a7309defe3e474bd135649a0839e4108f" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `SeekFrom` and `Seek`
[INFO] [stdout] 
[INFO] [stderr]  --> src/diskbench.rs:2:36
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 2 | use std::io::{Write, Result, Read, Seek, SeekFrom, BufReader};
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |                                    ^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `to_kilobyte` is never used
[INFO] [stderr]   --> src/diskbench.rs:20:6
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub trait HumanReadable {
[INFO] [stderr]    |           ------------- method in this trait
[INFO] [stderr] 20 |   fn to_kilobyte(self) -> String;
[INFO] [stderr]    |      ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `diskbench` (bin "diskbench" test) generated 2 warnings (run `cargo fix --bin "diskbench" -p diskbench --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused dependency `fastrand`
[INFO] [stderr]  --> Cargo.toml:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | [dependencies.fastrand]
[INFO] [stderr]   |               ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `fastrand`
[INFO] [stderr] warning: `diskbench` (manifest) generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/build/diskbench/9cec06c2e35665ea/out/diskbench-9cec06c2e35665ea)
[INFO] running `Command { std: "docker" "inspect" "4e2b4532996ea12e739ad740fdb05b2a7309defe3e474bd135649a0839e4108f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e2b4532996ea12e739ad740fdb05b2a7309defe3e474bd135649a0839e4108f", kill_on_drop: false }`
[INFO] [stdout] 4e2b4532996ea12e739ad740fdb05b2a7309defe3e474bd135649a0839e4108f
