[INFO] cloning repository https://github.com/three014/usbip-core
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/three014/usbip-core" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthree014%2Fusbip-core", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthree014%2Fusbip-core'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64397d208e0d030bdee69a5caeae81f777554529
[INFO] checking three014/usbip-core against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthree014%2Fusbip-core" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/three014/usbip-core on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/three014/usbip-core
[INFO] finished tweaking git repo https://github.com/three014/usbip-core
[INFO] tweaked toml for git repo https://github.com/three014/usbip-core written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/three014/usbip-core 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded udev v0.8.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7009171df2c838970080ef63decfc1341000b4e55b3749360fa8a0cc87cd606
[INFO] running `Command { std: "docker" "start" "-a" "b7009171df2c838970080ef63decfc1341000b4e55b3749360fa8a0cc87cd606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7009171df2c838970080ef63decfc1341000b4e55b3749360fa8a0cc87cd606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7009171df2c838970080ef63decfc1341000b4e55b3749360fa8a0cc87cd606", kill_on_drop: false }`
[INFO] [stdout] b7009171df2c838970080ef63decfc1341000b4e55b3749360fa8a0cc87cd606
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2538f20fa3cbdf8521696958f9f7f08008e7d9cda8d1d8d5bf1e2655b42bd4ad
[INFO] running `Command { std: "docker" "start" "-a" "2538f20fa3cbdf8521696958f9f7f08008e7d9cda8d1d8d5bf1e2655b42bd4ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking udev v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking usbip-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `SocketAddr` is imported redundantly
[INFO] [stdout]  --> src/unix/vhci2.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use std::net::{Ipv4Addr, SocketAddr};
[INFO] [stdout]   |                              ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 |     use super::*;
[INFO] [stdout]   |         -------- the item `SocketAddr` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `udev` is imported redundantly
[INFO] [stdout]   --> src/unix.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use udev;
[INFO] [stdout]    |     ^^^^ the item `udev` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/vhci/error.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `udev` is imported redundantly
[INFO] [stdout]   --> src/unix.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use udev;
[INFO] [stdout]    |     ^^^^ the item `udev` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/vhci/error.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]    --> src/unix/vhci2.rs:561:26
[INFO] [stdout]     |
[INFO] [stdout] 561 |     fn detach(&mut self, port: u16) -> crate::vhci::Result<()> {
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]    --> src/unix/vhci2.rs:561:26
[INFO] [stdout]     |
[INFO] [stdout] 561 |     fn detach(&mut self, port: u16) -> crate::vhci::Result<()> {
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/vhci/error.rs:56:36
[INFO] [stdout]    |
[INFO] [stdout] 56 |             AttachErrorKind::SysFs(i) => todo!()
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/vhci/error.rs:56:36
[INFO] [stdout]    |
[INFO] [stdout] 56 |             AttachErrorKind::SysFs(i) => todo!()
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.23s
[INFO] running `Command { std: "docker" "inspect" "2538f20fa3cbdf8521696958f9f7f08008e7d9cda8d1d8d5bf1e2655b42bd4ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2538f20fa3cbdf8521696958f9f7f08008e7d9cda8d1d8d5bf1e2655b42bd4ad", kill_on_drop: false }`
[INFO] [stdout] 2538f20fa3cbdf8521696958f9f7f08008e7d9cda8d1d8d5bf1e2655b42bd4ad
[INFO] checking three014/usbip-core against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthree014%2Fusbip-core" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/three014/usbip-core on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/three014/usbip-core
[INFO] finished tweaking git repo https://github.com/three014/usbip-core
[INFO] tweaked toml for git repo https://github.com/three014/usbip-core written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/three014/usbip-core 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76e888389fe0adbeeb5c0c3d1965d3e39de22ee4995bf317c926583084fcd86b
[INFO] running `Command { std: "docker" "start" "-a" "76e888389fe0adbeeb5c0c3d1965d3e39de22ee4995bf317c926583084fcd86b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76e888389fe0adbeeb5c0c3d1965d3e39de22ee4995bf317c926583084fcd86b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76e888389fe0adbeeb5c0c3d1965d3e39de22ee4995bf317c926583084fcd86b", kill_on_drop: false }`
[INFO] [stdout] 76e888389fe0adbeeb5c0c3d1965d3e39de22ee4995bf317c926583084fcd86b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3370edce849f4dc2c67c9bea3cd6c734117dccce578be93514723a0f392ecc76
[INFO] running `Command { std: "docker" "start" "-a" "3370edce849f4dc2c67c9bea3cd6c734117dccce578be93514723a0f392ecc76", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking udev v0.8.0
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking usbip-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `SocketAddr` is imported redundantly
[INFO] [stdout]  --> src/unix/vhci2.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use std::net::{Ipv4Addr, SocketAddr};
[INFO] [stdout]   |                              ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 |     use super::*;
[INFO] [stdout]   |         -------- the item `SocketAddr` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `udev` is imported redundantly
[INFO] [stdout]   --> src/unix.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use udev;
[INFO] [stdout]    |     ^^^^ the item `udev` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/vhci/error.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `udev` is imported redundantly
[INFO] [stdout]   --> src/unix.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use udev;
[INFO] [stdout]    |     ^^^^ the item `udev` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/vhci/error.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]    --> src/unix/vhci2.rs:561:26
[INFO] [stdout]     |
[INFO] [stdout] 561 |     fn detach(&mut self, port: u16) -> crate::vhci::Result<()> {
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]    --> src/unix/vhci2.rs:561:26
[INFO] [stdout]     |
[INFO] [stdout] 561 |     fn detach(&mut self, port: u16) -> crate::vhci::Result<()> {
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/vhci/error.rs:56:36
[INFO] [stdout]    |
[INFO] [stdout] 56 |             AttachErrorKind::SysFs(i) => todo!()
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/vhci/error.rs:56:36
[INFO] [stdout]    |
[INFO] [stdout] 56 |             AttachErrorKind::SysFs(i) => todo!()
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.68s
[INFO] running `Command { std: "docker" "inspect" "3370edce849f4dc2c67c9bea3cd6c734117dccce578be93514723a0f392ecc76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3370edce849f4dc2c67c9bea3cd6c734117dccce578be93514723a0f392ecc76", kill_on_drop: false }`
[INFO] [stdout] 3370edce849f4dc2c67c9bea3cd6c734117dccce578be93514723a0f392ecc76