[INFO] fetching crate diskbench 0.2.1...
[INFO] testing diskbench-0.2.1 against beta-2022-04-10 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 beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4d3f127afa9f656cbc656b0e0fb7b631ff57466cfe8f4091e022908caf1151a
[INFO] running `Command { std: "docker" "start" "-a" "d4d3f127afa9f656cbc656b0e0fb7b631ff57466cfe8f4091e022908caf1151a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4d3f127afa9f656cbc656b0e0fb7b631ff57466cfe8f4091e022908caf1151a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d3f127afa9f656cbc656b0e0fb7b631ff57466cfe8f4091e022908caf1151a", kill_on_drop: false }`
[INFO] [stdout] d4d3f127afa9f656cbc656b0e0fb7b631ff57466cfe8f4091e022908caf1151a
[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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7784443bdd68ea9f0fb0d400f106ac11090fec9c6d533042c1f7fe3f5f15dc28
[INFO] running `Command { std: "docker" "start" "-a" "7784443bdd68ea9f0fb0d400f106ac11090fec9c6d533042c1f7fe3f5f15dc28", 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 fastrand v1.7.0
[INFO] [stderr]    Compiling parse-size v1.0.0
[INFO] [stderr]    Compiling seahorse v2.0.0
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling regex v1.5.5
[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 6.99s
[INFO] running `Command { std: "docker" "inspect" "7784443bdd68ea9f0fb0d400f106ac11090fec9c6d533042c1f7fe3f5f15dc28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7784443bdd68ea9f0fb0d400f106ac11090fec9c6d533042c1f7fe3f5f15dc28", kill_on_drop: false }`
[INFO] [stdout] 7784443bdd68ea9f0fb0d400f106ac11090fec9c6d533042c1f7fe3f5f15dc28
[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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80dac997235d04b695b6596704b683411526d87fc46486dfb4621503a97ece5f
[INFO] running `Command { std: "docker" "start" "-a" "80dac997235d04b695b6596704b683411526d87fc46486dfb4621503a97ece5f", 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 0.54s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/diskbench-786f06fa3321ce08)
[INFO] running `Command { std: "docker" "inspect" "80dac997235d04b695b6596704b683411526d87fc46486dfb4621503a97ece5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80dac997235d04b695b6596704b683411526d87fc46486dfb4621503a97ece5f", kill_on_drop: false }`
[INFO] [stdout] 80dac997235d04b695b6596704b683411526d87fc46486dfb4621503a97ece5f
[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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 598727eea42bc60ae8cc431872ee56c0eb32cfa4f725389aa652f4641ad5eaf2
[INFO] running `Command { std: "docker" "start" "-a" "598727eea42bc60ae8cc431872ee56c0eb32cfa4f725389aa652f4641ad5eaf2", kill_on_drop: false }`
[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 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/diskbench-786f06fa3321ce08)
[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" "598727eea42bc60ae8cc431872ee56c0eb32cfa4f725389aa652f4641ad5eaf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "598727eea42bc60ae8cc431872ee56c0eb32cfa4f725389aa652f4641ad5eaf2", kill_on_drop: false }`
[INFO] [stdout] 598727eea42bc60ae8cc431872ee56c0eb32cfa4f725389aa652f4641ad5eaf2