[INFO] fetching crate owmods_core 0.11.3...
[INFO] checking owmods_core-0.11.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate owmods_core 0.11.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate owmods_core 0.11.3 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 owmods_core 0.11.3
[INFO] finished tweaking crates.io crate owmods_core 0.11.3
[INFO] tweaked toml for crates.io crate owmods_core 0.11.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 174 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
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[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 typeshare-annotation v1.0.3
[INFO] [stderr]   Downloaded typeshare v1.0.2
[INFO] [stderr]   Downloaded directories v5.0.1
[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] 12dd531ddb210bedba6f5aa125d9d6451dc9ba40b26cdc74ea0fb5fa233592ba
[INFO] running `Command { std: "docker" "start" "-a" "12dd531ddb210bedba6f5aa125d9d6451dc9ba40b26cdc74ea0fb5fa233592ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12dd531ddb210bedba6f5aa125d9d6451dc9ba40b26cdc74ea0fb5fa233592ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12dd531ddb210bedba6f5aa125d9d6451dc9ba40b26cdc74ea0fb5fa233592ba", kill_on_drop: false }`
[INFO] [stdout] 12dd531ddb210bedba6f5aa125d9d6451dc9ba40b26cdc74ea0fb5fa233592ba
[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] 6b36c122abbda3f33324b34c9b40e70cdb6a4127319829f1e8984f9ef0b6b2a5
[INFO] running `Command { std: "docker" "start" "-a" "6b36c122abbda3f33324b34c9b40e70cdb6a4127319829f1e8984f9ef0b6b2a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking getrandom v0.2.12
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[INFO] [stderr]     Checking directories v5.0.1
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[INFO] [stderr]    Compiling zstd-sys v2.0.10+zstd.1.5.6
[INFO] [stderr]     Checking bstr v1.9.1
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[INFO] [stderr]     Checking owmods_core v0.11.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TcpStream` is imported redundantly
[INFO] [stdout]    --> src/socket.rs:273:9
[INFO] [stdout]     |
[INFO] [stdout] 273 |         net::TcpStream,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 277 |     use super::*;
[INFO] [stdout]     |         -------- the item `TcpStream` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mpsc` is imported redundantly
[INFO] [stdout]    --> src/socket.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |         sync::mpsc,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 277 |     use super::*;
[INFO] [stdout]     |         -------- the item `mpsc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `LocalMod` is imported redundantly
[INFO] [stdout]    --> src/toggle.rs:155:23
[INFO] [stdout]     |
[INFO] [stdout] 155 |         mods::local::{LocalMod, UnsafeLocalMod},
[INFO] [stdout]     |                       ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 159 |     use super::*;
[INFO] [stdout]     |         -------- the item `LocalMod` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.73s
[INFO] running `Command { std: "docker" "inspect" "6b36c122abbda3f33324b34c9b40e70cdb6a4127319829f1e8984f9ef0b6b2a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b36c122abbda3f33324b34c9b40e70cdb6a4127319829f1e8984f9ef0b6b2a5", kill_on_drop: false }`
[INFO] [stdout] 6b36c122abbda3f33324b34c9b40e70cdb6a4127319829f1e8984f9ef0b6b2a5