[INFO] fetching crate ipstack 0.0.1...
[INFO] checking ipstack-0.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ipstack 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ipstack 0.0.1 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 crates.io crate ipstack 0.0.1
[INFO] finished tweaking crates.io crate ipstack 0.0.1
[INFO] tweaked toml for crates.io crate ipstack 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate ipstack 0.0.1 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libloading v0.8.1
[INFO] [stderr]   Downloaded c2rust-bitfields-derive v0.18.0
[INFO] [stderr]   Downloaded tokio-util v0.7.9
[INFO] [stderr]   Downloaded etherparse v0.13.0
[INFO] [stderr]   Downloaded ioctl-sys v0.8.0
[INFO] [stderr]   Downloaded tun v0.6.1
[INFO] [stderr]   Downloaded wintun v0.3.2
[INFO] [stderr]   Downloaded c2rust-bitfields v0.18.0
[INFO] [stderr]   Downloaded windows v0.51.1
[INFO] [stderr]   Downloaded udp-stream v0.0.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bc654dc7fa5e10ab41e317b42c2e10e61a1d0a3ab0ca56d8a04bf76dfc493a4e
[INFO] running `Command { std: "docker" "start" "-a" "bc654dc7fa5e10ab41e317b42c2e10e61a1d0a3ab0ca56d8a04bf76dfc493a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc654dc7fa5e10ab41e317b42c2e10e61a1d0a3ab0ca56d8a04bf76dfc493a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc654dc7fa5e10ab41e317b42c2e10e61a1d0a3ab0ca56d8a04bf76dfc493a4e", kill_on_drop: false }`
[INFO] [stdout] bc654dc7fa5e10ab41e317b42c2e10e61a1d0a3ab0ca56d8a04bf76dfc493a4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2dd4666f2d99a6c1ad7c0e318cfd9b1a693e7c219eeae20fa635ee35d01d4630
[INFO] running `Command { std: "docker" "start" "-a" "2dd4666f2d99a6c1ad7c0e318cfd9b1a693e7c219eeae20fa635ee35d01d4630", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking ioctl-sys v0.8.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking etherparse v0.13.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking tokio-util v0.7.9
[INFO] [stderr]     Checking udp-stream v0.0.9
[INFO] [stderr]     Checking ipstack v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `send_time` is never read
[INFO] [stdout]    --> src/stream/tcb.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 200 | pub struct InflightPacket {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 203 |     pub send_time: SystemTime,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `recv_time` is never read
[INFO] [stdout]    --> src/stream/tcb.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 219 | pub struct UnorderedPacket {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 220 |     pub payload: Vec<u8>,
[INFO] [stdout] 221 |     pub recv_time: SystemTime,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tun v0.6.1
[INFO] [stdout] warning: field `send_time` is never read
[INFO] [stdout]    --> src/stream/tcb.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 200 | pub struct InflightPacket {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 203 |     pub send_time: SystemTime,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `recv_time` is never read
[INFO] [stdout]    --> src/stream/tcb.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 219 | pub struct UnorderedPacket {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 220 |     pub payload: Vec<u8>,
[INFO] [stdout] 221 |     pub recv_time: SystemTime,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.51s
[INFO] running `Command { std: "docker" "inspect" "2dd4666f2d99a6c1ad7c0e318cfd9b1a693e7c219eeae20fa635ee35d01d4630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd4666f2d99a6c1ad7c0e318cfd9b1a693e7c219eeae20fa635ee35d01d4630", kill_on_drop: false }`
[INFO] [stdout] 2dd4666f2d99a6c1ad7c0e318cfd9b1a693e7c219eeae20fa635ee35d01d4630
[INFO] checking ipstack-0.0.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate ipstack 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate ipstack 0.0.1 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 crates.io crate ipstack 0.0.1
[INFO] finished tweaking crates.io crate ipstack 0.0.1
[INFO] tweaked toml for crates.io crate ipstack 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate ipstack 0.0.1 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f7840baa3555d329efd0e56541efb11864759b697be8ff460418a77eced53796
[INFO] running `Command { std: "docker" "start" "-a" "f7840baa3555d329efd0e56541efb11864759b697be8ff460418a77eced53796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7840baa3555d329efd0e56541efb11864759b697be8ff460418a77eced53796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7840baa3555d329efd0e56541efb11864759b697be8ff460418a77eced53796", kill_on_drop: false }`
[INFO] [stdout] f7840baa3555d329efd0e56541efb11864759b697be8ff460418a77eced53796
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f28475fec23adc8e425689d9bceeeb8382658f4cedfdc8311da7ceaf3bdbbb1a
[INFO] running `Command { std: "docker" "start" "-a" "f28475fec23adc8e425689d9bceeeb8382658f4cedfdc8311da7ceaf3bdbbb1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking ioctl-sys v0.8.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking etherparse v0.13.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking tokio-util v0.7.9
[INFO] [stderr]     Checking udp-stream v0.0.9
[INFO] [stderr]     Checking ipstack v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `send_time` is never read
[INFO] [stdout]    --> src/stream/tcb.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 200 | pub struct InflightPacket {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 203 |     pub send_time: SystemTime,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `recv_time` is never read
[INFO] [stdout]    --> src/stream/tcb.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 219 | pub struct UnorderedPacket {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 220 |     pub payload: Vec<u8>,
[INFO] [stdout] 221 |     pub recv_time: SystemTime,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tun v0.6.1
[INFO] [stdout] warning: field `send_time` is never read
[INFO] [stdout]    --> src/stream/tcb.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 200 | pub struct InflightPacket {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 203 |     pub send_time: SystemTime,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `recv_time` is never read
[INFO] [stdout]    --> src/stream/tcb.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 219 | pub struct UnorderedPacket {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 220 |     pub payload: Vec<u8>,
[INFO] [stdout] 221 |     pub recv_time: SystemTime,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.71s
[INFO] running `Command { std: "docker" "inspect" "f28475fec23adc8e425689d9bceeeb8382658f4cedfdc8311da7ceaf3bdbbb1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28475fec23adc8e425689d9bceeeb8382658f4cedfdc8311da7ceaf3bdbbb1a", kill_on_drop: false }`
[INFO] [stdout] f28475fec23adc8e425689d9bceeeb8382658f4cedfdc8311da7ceaf3bdbbb1a