[INFO] fetching crate netmon 0.1.3...
[INFO] building netmon-0.1.3 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate netmon 0.1.3 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate netmon 0.1.3
[INFO] finished tweaking crates.io crate netmon 0.1.3
[INFO] tweaked toml for crates.io crate netmon 0.1.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate netmon 0.1.3 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate netmon 0.1.3 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcecb0c433a1c0115c4c5acd5b178ec2e0c6de319e096160001dc74e63381632
[INFO] running `Command { std: "docker" "start" "-a" "dcecb0c433a1c0115c4c5acd5b178ec2e0c6de319e096160001dc74e63381632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcecb0c433a1c0115c4c5acd5b178ec2e0c6de319e096160001dc74e63381632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcecb0c433a1c0115c4c5acd5b178ec2e0c6de319e096160001dc74e63381632", kill_on_drop: false }`
[INFO] [stdout] dcecb0c433a1c0115c4c5acd5b178ec2e0c6de319e096160001dc74e63381632
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef155bb92183cf672f0f48d0413d36be0fd3cf534d5fa2755227988e11460b07
[INFO] running `Command { std: "docker" "start" "-a" "ef155bb92183cf672f0f48d0413d36be0fd3cf534d5fa2755227988e11460b07", kill_on_drop: false }`
[INFO] [stderr]    Compiling netmon v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/platform/linux.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead, Error, Read};
[INFO] [stdout]   |                               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/platform/linux.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead, Error, Read};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `print_net_speed_by_iface`
[INFO] [stdout]  --> src/bin/netspeed.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use netmon::{print_net_speed_by_iface, print_total_net_speed};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "ef155bb92183cf672f0f48d0413d36be0fd3cf534d5fa2755227988e11460b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef155bb92183cf672f0f48d0413d36be0fd3cf534d5fa2755227988e11460b07", kill_on_drop: false }`
[INFO] [stdout] ef155bb92183cf672f0f48d0413d36be0fd3cf534d5fa2755227988e11460b07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 609402198b67aa1a546675407b2ca486d968521c2f53a71bc1f02c40ddc82104
[INFO] running `Command { std: "docker" "start" "-a" "609402198b67aa1a546675407b2ca486d968521c2f53a71bc1f02c40ddc82104", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/platform/linux.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead, Error, Read};
[INFO] [stdout]   |                               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/platform/linux.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead, Error, Read};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling netmon v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/platform/linux.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead, Error, Read};
[INFO] [stdout]   |                               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `print_net_speed_by_iface`
[INFO] [stdout]  --> src/bin/netspeed.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use netmon::{print_net_speed_by_iface, print_total_net_speed};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/platform/linux.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead, Error, Read};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "609402198b67aa1a546675407b2ca486d968521c2f53a71bc1f02c40ddc82104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "609402198b67aa1a546675407b2ca486d968521c2f53a71bc1f02c40ddc82104", kill_on_drop: false }`
[INFO] [stdout] 609402198b67aa1a546675407b2ca486d968521c2f53a71bc1f02c40ddc82104