[INFO] cloning repository https://github.com/jli/fs_usage_summary
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jli/fs_usage_summary" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjli%2Ffs_usage_summary", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjli%2Ffs_usage_summary'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5c642195122ccef5481bbafeb73673aca041f0e
[INFO] checking jli/fs_usage_summary against try#5e7498e6740d105521420ac0ab146e2c7a21596d for pr-138363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjli%2Ffs_usage_summary" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jli/fs_usage_summary on toolchain 5e7498e6740d105521420ac0ab146e2c7a21596d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jli/fs_usage_summary
[INFO] finished tweaking git repo https://github.com/jli/fs_usage_summary
[INFO] tweaked toml for git repo https://github.com/jli/fs_usage_summary written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jli/fs_usage_summary 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" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0343e426e839b6211d468157283aed35907246dac854830628b2224722422ce4
[INFO] running `Command { std: "docker" "start" "-a" "0343e426e839b6211d468157283aed35907246dac854830628b2224722422ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0343e426e839b6211d468157283aed35907246dac854830628b2224722422ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0343e426e839b6211d468157283aed35907246dac854830628b2224722422ce4", kill_on_drop: false }`
[INFO] [stdout] 0343e426e839b6211d468157283aed35907246dac854830628b2224722422ce4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2deacf7c66cc3652ad01b9119218c85d10165973c7725dbe7f2eafc26705fb8
[INFO] running `Command { std: "docker" "start" "-a" "a2deacf7c66cc3652ad01b9119218c85d10165973c7725dbe7f2eafc26705fb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking fs_usage_summary v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `timestamp`, `bytes`, and `pid` are never read
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct DiskIoRec {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 38 |     timestamp: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 39 |     call: String,
[INFO] [stdout] 40 |     bytes: u64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pid: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiskIoRec` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `timestamp`, `bytes`, and `pid` are never read
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct DiskIoRec {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 38 |     timestamp: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 39 |     call: String,
[INFO] [stdout] 40 |     bytes: u64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pid: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiskIoRec` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.35s
[INFO] running `Command { std: "docker" "inspect" "a2deacf7c66cc3652ad01b9119218c85d10165973c7725dbe7f2eafc26705fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2deacf7c66cc3652ad01b9119218c85d10165973c7725dbe7f2eafc26705fb8", kill_on_drop: false }`
[INFO] [stdout] a2deacf7c66cc3652ad01b9119218c85d10165973c7725dbe7f2eafc26705fb8