[INFO] fetching crate diskbench 0.2.1...
[INFO] testing diskbench-0.2.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate diskbench 0.2.1 into /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate diskbench 0.2.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 650723fbb20ce9580aea4754cae4884ec8e48a00202540e59b77fd5d3c99c15e
[INFO] running `Command { std: "docker" "start" "-a" "650723fbb20ce9580aea4754cae4884ec8e48a00202540e59b77fd5d3c99c15e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "650723fbb20ce9580aea4754cae4884ec8e48a00202540e59b77fd5d3c99c15e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "650723fbb20ce9580aea4754cae4884ec8e48a00202540e59b77fd5d3c99c15e", kill_on_drop: false }`
[INFO] [stdout] 650723fbb20ce9580aea4754cae4884ec8e48a00202540e59b77fd5d3c99c15e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bb28ade0a317744b818b9adbb46382db078ede6b501fad28f52e23e1e8d072a
[INFO] running `Command { std: "docker" "start" "-a" "8bb28ade0a317744b818b9adbb46382db078ede6b501fad28f52e23e1e8d072a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling seahorse v2.0.0
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling parse-size v1.0.0
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.20s
[INFO] running `Command { std: "docker" "inspect" "8bb28ade0a317744b818b9adbb46382db078ede6b501fad28f52e23e1e8d072a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bb28ade0a317744b818b9adbb46382db078ede6b501fad28f52e23e1e8d072a", kill_on_drop: false }`
[INFO] [stdout] 8bb28ade0a317744b818b9adbb46382db078ede6b501fad28f52e23e1e8d072a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4a955d99c4c1b854855199a513139afb4296a74d3c3beddfc61199c6a6e41bb
[INFO] running `Command { std: "docker" "start" "-a" "a4a955d99c4c1b854855199a513139afb4296a74d3c3beddfc61199c6a6e41bb", 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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "a4a955d99c4c1b854855199a513139afb4296a74d3c3beddfc61199c6a6e41bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4a955d99c4c1b854855199a513139afb4296a74d3c3beddfc61199c6a6e41bb", kill_on_drop: false }`
[INFO] [stdout] a4a955d99c4c1b854855199a513139afb4296a74d3c3beddfc61199c6a6e41bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 48569b158d5bafcf45edbfaa5e918a7d598d25352c23de41fbd6ba68811c1296
[INFO] running `Command { std: "docker" "start" "-a" "48569b158d5bafcf45edbfaa5e918a7d598d25352c23de41fbd6ba68811c1296", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `SeekFrom` and `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)]` (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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/diskbench-5603c9f36a72ff81)
[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" "48569b158d5bafcf45edbfaa5e918a7d598d25352c23de41fbd6ba68811c1296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48569b158d5bafcf45edbfaa5e918a7d598d25352c23de41fbd6ba68811c1296", kill_on_drop: false }`
[INFO] [stdout] 48569b158d5bafcf45edbfaa5e918a7d598d25352c23de41fbd6ba68811c1296