[INFO] fetching crate diskbench 0.2.1...
[INFO] testing diskbench-0.2.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate diskbench 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate diskbench 0.2.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] crate crates.io crate diskbench 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded terminal_size v0.1.17
[INFO] [stderr]   Downloaded number_prefix v0.4.0
[INFO] [stderr]   Downloaded indicatif v0.16.2
[INFO] [stderr]   Downloaded libc v0.2.120
[INFO] [stderr]   Downloaded console v0.15.0
[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-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa0632811c3e8c5dceae93c642f82cd362eb3460f74ce9131204144c01d9dc39
[INFO] running `Command { std: "docker" "start" "-a" "fa0632811c3e8c5dceae93c642f82cd362eb3460f74ce9131204144c01d9dc39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa0632811c3e8c5dceae93c642f82cd362eb3460f74ce9131204144c01d9dc39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa0632811c3e8c5dceae93c642f82cd362eb3460f74ce9131204144c01d9dc39", kill_on_drop: false }`
[INFO] [stdout] fa0632811c3e8c5dceae93c642f82cd362eb3460f74ce9131204144c01d9dc39
[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=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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ccb4fdaeee35cafcee5b182c99ba4e5b9aa55898c6aeb273a6b6f8514879d22
[INFO] running `Command { std: "docker" "start" "-a" "9ccb4fdaeee35cafcee5b182c99ba4e5b9aa55898c6aeb273a6b6f8514879d22", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling seahorse v2.0.0
[INFO] [stderr]    Compiling parse-size v1.0.0
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr]    Compiling diskbench v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SeekFrom`, `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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.85s
[INFO] running `Command { std: "docker" "inspect" "9ccb4fdaeee35cafcee5b182c99ba4e5b9aa55898c6aeb273a6b6f8514879d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ccb4fdaeee35cafcee5b182c99ba4e5b9aa55898c6aeb273a6b6f8514879d22", kill_on_drop: false }`
[INFO] [stdout] 9ccb4fdaeee35cafcee5b182c99ba4e5b9aa55898c6aeb273a6b6f8514879d22
[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=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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be718dc9199d884a8234f727b22e6b0a5880e83c42026ba509b0fd2b04c7a260
[INFO] running `Command { std: "docker" "start" "-a" "be718dc9199d884a8234f727b22e6b0a5880e83c42026ba509b0fd2b04c7a260", kill_on_drop: false }`
[INFO] [stderr]    Compiling diskbench v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SeekFrom`, `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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "be718dc9199d884a8234f727b22e6b0a5880e83c42026ba509b0fd2b04c7a260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be718dc9199d884a8234f727b22e6b0a5880e83c42026ba509b0fd2b04c7a260", kill_on_drop: false }`
[INFO] [stdout] be718dc9199d884a8234f727b22e6b0a5880e83c42026ba509b0fd2b04c7a260
[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=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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] da81984e1d3979f37f4fe83abc031307843e95a1f6478ce507e1a760e81033a6
[INFO] running `Command { std: "docker" "start" "-a" "da81984e1d3979f37f4fe83abc031307843e95a1f6478ce507e1a760e81033a6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `SeekFrom`, `Seek`
[INFO] [stderr]  --> src/diskbench.rs:2:36
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{Write, Result, Read, Seek, SeekFrom, BufReader};
[INFO] [stderr]   |                                    ^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `diskbench` (bin "diskbench" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/diskbench-b46cb7641692676c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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] running `Command { std: "docker" "inspect" "da81984e1d3979f37f4fe83abc031307843e95a1f6478ce507e1a760e81033a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da81984e1d3979f37f4fe83abc031307843e95a1f6478ce507e1a760e81033a6", kill_on_drop: false }`
[INFO] [stdout] da81984e1d3979f37f4fe83abc031307843e95a1f6478ce507e1a760e81033a6