[INFO] fetching crate streamunordered 0.5.3...
[INFO] checking streamunordered-0.5.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate streamunordered 0.5.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate streamunordered 0.5.3 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 streamunordered 0.5.3
[INFO] finished tweaking crates.io crate streamunordered 0.5.3
[INFO] tweaked toml for crates.io crate streamunordered 0.5.3 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 69 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[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 async-bincode v0.7.2
[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] 2435c48f520d5451555dc653b6dd771f2cbef42dbedc2a3a4635fd5914830d1c
[INFO] running `Command { std: "docker" "start" "-a" "2435c48f520d5451555dc653b6dd771f2cbef42dbedc2a3a4635fd5914830d1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2435c48f520d5451555dc653b6dd771f2cbef42dbedc2a3a4635fd5914830d1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2435c48f520d5451555dc653b6dd771f2cbef42dbedc2a3a4635fd5914830d1c", kill_on_drop: false }`
[INFO] [stdout] 2435c48f520d5451555dc653b6dd771f2cbef42dbedc2a3a4635fd5914830d1c
[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] 8d569b39119232cb0daa8fa2d319ebfaf5f9fbfaa7043b14f43ba5216cd02193
[INFO] running `Command { std: "docker" "start" "-a" "8d569b39119232cb0daa8fa2d319ebfaf5f9fbfaa7043b14f43ba5216cd02193", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking async-bincode v0.7.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking streamunordered v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stdout] warning: the item `Future` is imported redundantly
[INFO] [stdout]  --> tests/chan.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::prelude::*;
[INFO] [stdout]   |     ------------------- the item `Future` is already imported here
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet, VecDeque};
[INFO] [stdout] 3 | use std::future::Future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Future` is imported redundantly
[INFO] [stdout]  --> tests/tcp.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::prelude::*;
[INFO] [stdout]   |     ------------------- the item `Future` is already imported here
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet, VecDeque};
[INFO] [stdout] 4 | use std::future::Future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Pin` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:992:9
[INFO] [stdout]     |
[INFO] [stdout] 990 |     use super::*;
[INFO] [stdout]     |         -------- the item `Pin` is already imported here
[INFO] [stdout] 991 |     use futures_util::{stream, stream::StreamExt};
[INFO] [stdout] 992 |     use std::pin::Pin;
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.50s
[INFO] running `Command { std: "docker" "inspect" "8d569b39119232cb0daa8fa2d319ebfaf5f9fbfaa7043b14f43ba5216cd02193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d569b39119232cb0daa8fa2d319ebfaf5f9fbfaa7043b14f43ba5216cd02193", kill_on_drop: false }`
[INFO] [stdout] 8d569b39119232cb0daa8fa2d319ebfaf5f9fbfaa7043b14f43ba5216cd02193
[INFO] checking streamunordered-0.5.3 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate streamunordered 0.5.3 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate streamunordered 0.5.3 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 streamunordered 0.5.3
[INFO] finished tweaking crates.io crate streamunordered 0.5.3
[INFO] tweaked toml for crates.io crate streamunordered 0.5.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] 3edb1ba036923a364683339c96b997adad16d74db3fb7a6798c06085e9a033cf
[INFO] running `Command { std: "docker" "start" "-a" "3edb1ba036923a364683339c96b997adad16d74db3fb7a6798c06085e9a033cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3edb1ba036923a364683339c96b997adad16d74db3fb7a6798c06085e9a033cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3edb1ba036923a364683339c96b997adad16d74db3fb7a6798c06085e9a033cf", kill_on_drop: false }`
[INFO] [stdout] 3edb1ba036923a364683339c96b997adad16d74db3fb7a6798c06085e9a033cf
[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] a45550b1c592ff1b4198f70465cb5f4e3f5876b1acd315a5c1116d6a2acc4f62
[INFO] running `Command { std: "docker" "start" "-a" "a45550b1c592ff1b4198f70465cb5f4e3f5876b1acd315a5c1116d6a2acc4f62", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking async-bincode v0.7.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking streamunordered v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stdout] warning: the item `Pin` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:992:9
[INFO] [stdout]     |
[INFO] [stdout] 990 |     use super::*;
[INFO] [stdout]     |         -------- the item `Pin` is already imported here
[INFO] [stdout] 991 |     use futures_util::{stream, stream::StreamExt};
[INFO] [stdout] 992 |     use std::pin::Pin;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Future` is imported redundantly
[INFO] [stdout]  --> tests/tcp.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::prelude::*;
[INFO] [stdout]   |     ------------------- the item `Future` is already imported here
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet, VecDeque};
[INFO] [stdout] 4 | use std::future::Future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Future` is imported redundantly
[INFO] [stdout]  --> tests/chan.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::prelude::*;
[INFO] [stdout]   |     ------------------- the item `Future` is already imported here
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet, VecDeque};
[INFO] [stdout] 3 | use std::future::Future;
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.28s
[INFO] running `Command { std: "docker" "inspect" "a45550b1c592ff1b4198f70465cb5f4e3f5876b1acd315a5c1116d6a2acc4f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a45550b1c592ff1b4198f70465cb5f4e3f5876b1acd315a5c1116d6a2acc4f62", kill_on_drop: false }`
[INFO] [stdout] a45550b1c592ff1b4198f70465cb5f4e3f5876b1acd315a5c1116d6a2acc4f62