[INFO] fetching crate arma-rs 1.10.5...
[INFO] checking arma-rs-1.10.5 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate arma-rs 1.10.5 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate arma-rs 1.10.5 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 arma-rs 1.10.5
[INFO] finished tweaking crates.io crate arma-rs 1.10.5
[INFO] tweaked toml for crates.io crate arma-rs 1.10.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate arma-rs 1.10.5 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-log v0.1.3
[INFO] [stderr]   Downloaded windows-core v0.51.1
[INFO] [stderr]   Downloaded valuable v0.1.0
[INFO] [stderr]   Downloaded arma-rs-proc v1.10.0
[INFO] [stderr]   Downloaded iana-time-zone v0.1.57
[INFO] [stderr]   Downloaded seq-macro v0.3.5
[INFO] [stderr]   Downloaded overload v0.1.1
[INFO] [stderr]   Downloaded num-traits v0.2.16
[INFO] [stderr]   Downloaded regex-syntax v0.7.5
[INFO] [stderr]   Downloaded regex-automata v0.3.8
[INFO] [stderr]   Downloaded libc v0.2.147
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.17
[INFO] [stderr]   Downloaded bumpalo v3.13.0
[INFO] [stderr]   Downloaded chrono v0.4.30
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.16
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.8
[INFO] [stderr]   Downloaded generator v0.7.5
[INFO] [stderr]   Downloaded serde_json v1.0.106
[INFO] [stderr]   Downloaded aho-corasick v1.0.5
[INFO] [stderr]   Downloaded regex v1.9.5
[INFO] [stderr]   Downloaded sharded-slab v0.1.4
[INFO] [stderr]   Downloaded smallvec v1.11.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.66
[INFO] [stderr]   Downloaded unicode-ident v1.0.11
[INFO] [stderr]   Downloaded syn v2.0.32
[INFO] [stderr]   Downloaded loom v0.5.6
[INFO] [stderr]   Downloaded uuid v1.4.1
[INFO] [stderr]   Downloaded nu-ansi-term v0.46.0
[INFO] [stderr]   Downloaded state v0.6.0
[INFO] [stderr]   Downloaded link_args v0.6.0
[INFO] [stderr]   Downloaded thread_local v1.1.7
[INFO] [stderr]   Downloaded windows v0.48.0
[INFO] [stderr]   Downloaded windows v0.51.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 20a5dadd18d4edff7ea5ba90061dc5392d741ce24d27b327b265a635aa7bf441
[INFO] running `Command { std: "docker" "start" "-a" "20a5dadd18d4edff7ea5ba90061dc5392d741ce24d27b327b265a635aa7bf441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20a5dadd18d4edff7ea5ba90061dc5392d741ce24d27b327b265a635aa7bf441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20a5dadd18d4edff7ea5ba90061dc5392d741ce24d27b327b265a635aa7bf441", kill_on_drop: false }`
[INFO] [stdout] 20a5dadd18d4edff7ea5ba90061dc5392d741ce24d27b327b265a635aa7bf441
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 550c279024fd18a9e3b13c260e8fa1d02f59d0940d3f7bccb331b149e4b3451e
[INFO] running `Command { std: "docker" "start" "-a" "550c279024fd18a9e3b13c260e8fa1d02f59d0940d3f7bccb331b149e4b3451e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling arma-rs v1.10.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking state v0.6.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]    Compiling arma-rs-proc v1.10.0
[INFO] [stdout] warning: the item `Sender` is imported redundantly
[INFO] [stdout]    --> src/context/mod.rs:161:38
[INFO] [stdout]     |
[INFO] [stdout] 159 |     use super::*;
[INFO] [stdout]     |         -------- the item `Sender` is already imported here
[INFO] [stdout] 160 |     use crate::State;
[INFO] [stdout] 161 |     use crossbeam_channel::{bounded, Sender};
[INFO] [stdout]     |                                      ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.47s
[INFO] running `Command { std: "docker" "inspect" "550c279024fd18a9e3b13c260e8fa1d02f59d0940d3f7bccb331b149e4b3451e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "550c279024fd18a9e3b13c260e8fa1d02f59d0940d3f7bccb331b149e4b3451e", kill_on_drop: false }`
[INFO] [stdout] 550c279024fd18a9e3b13c260e8fa1d02f59d0940d3f7bccb331b149e4b3451e
[INFO] checking arma-rs-1.10.5 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate arma-rs 1.10.5 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate arma-rs 1.10.5 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 arma-rs 1.10.5
[INFO] finished tweaking crates.io crate arma-rs 1.10.5
[INFO] tweaked toml for crates.io crate arma-rs 1.10.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate arma-rs 1.10.5 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 98ea167dfff40b88f5b6a250684ff226c0729f661558e6046cbce021ef1adadc
[INFO] running `Command { std: "docker" "start" "-a" "98ea167dfff40b88f5b6a250684ff226c0729f661558e6046cbce021ef1adadc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98ea167dfff40b88f5b6a250684ff226c0729f661558e6046cbce021ef1adadc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98ea167dfff40b88f5b6a250684ff226c0729f661558e6046cbce021ef1adadc", kill_on_drop: false }`
[INFO] [stdout] 98ea167dfff40b88f5b6a250684ff226c0729f661558e6046cbce021ef1adadc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 16bd55a6b1098bb0715613e12687fa7de78344309cf5ba34940350bc5e7378b7
[INFO] running `Command { std: "docker" "start" "-a" "16bd55a6b1098bb0715613e12687fa7de78344309cf5ba34940350bc5e7378b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling arma-rs v1.10.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]     Checking state v0.6.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]    Compiling arma-rs-proc v1.10.0
[INFO] [stdout] warning: the item `Sender` is imported redundantly
[INFO] [stdout]    --> src/context/mod.rs:161:38
[INFO] [stdout]     |
[INFO] [stdout] 159 |     use super::*;
[INFO] [stdout]     |         -------- the item `Sender` is already imported here
[INFO] [stdout] 160 |     use crate::State;
[INFO] [stdout] 161 |     use crossbeam_channel::{bounded, Sender};
[INFO] [stdout]     |                                      ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.21s
[INFO] running `Command { std: "docker" "inspect" "16bd55a6b1098bb0715613e12687fa7de78344309cf5ba34940350bc5e7378b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16bd55a6b1098bb0715613e12687fa7de78344309cf5ba34940350bc5e7378b7", kill_on_drop: false }`
[INFO] [stdout] 16bd55a6b1098bb0715613e12687fa7de78344309cf5ba34940350bc5e7378b7