[INFO] fetching crate worst-executor 0.1.1...
[INFO] checking worst-executor-0.1.1 against master#16b569057e4d1591b4bee05f10df34000308dedc for pr-127827
[INFO] extracting crate worst-executor 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate worst-executor 0.1.1 on toolchain 16b569057e4d1591b4bee05f10df34000308dedc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate worst-executor 0.1.1
[INFO] finished tweaking crates.io crate worst-executor 0.1.1
[INFO] tweaked toml for crates.io crate worst-executor 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "generate-lockfile" "--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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 73 packages to latest compatible versions
[INFO] [stderr]       Adding async-channel v1.9.0 (latest: v2.3.1)
[INFO] [stderr]       Adding async-fs v1.6.0 (latest: v2.1.2)
[INFO] [stderr]       Adding async-io v1.13.0 (latest: v2.3.3)
[INFO] [stderr]       Adding async-lock v2.8.0 (latest: v3.4.0)
[INFO] [stderr]       Adding async-net v1.8.0 (latest: v2.0.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding event-listener v2.5.3 (latest: v5.3.1)
[INFO] [stderr]       Adding fastrand v1.9.0 (latest: v2.1.0)
[INFO] [stderr]       Adding futures-lite v1.13.0 (latest: v2.3.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (latest: v0.4.0)
[INFO] [stderr]       Adding io-lifetimes v1.0.11 (latest: v2.0.3)
[INFO] [stderr]       Adding linux-raw-sys v0.3.8 (latest: v0.6.4)
[INFO] [stderr]       Adding polling v2.8.0 (latest: v3.7.2)
[INFO] [stderr]       Adding rustix v0.37.27 (latest: v0.38.34)
[INFO] [stderr]       Adding socket2 v0.4.10 (latest: v0.5.7)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-fs v1.6.0
[INFO] [stderr]   Downloaded async-net v1.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ff0d8e0d26701c715b0a1108099ae9fee392e478cb4f626c4473bd131c09ff4
[INFO] running `Command { std: "docker" "start" "-a" "0ff0d8e0d26701c715b0a1108099ae9fee392e478cb4f626c4473bd131c09ff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ff0d8e0d26701c715b0a1108099ae9fee392e478cb4f626c4473bd131c09ff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ff0d8e0d26701c715b0a1108099ae9fee392e478cb4f626c4473bd131c09ff4", kill_on_drop: false }`
[INFO] [stdout] 0ff0d8e0d26701c715b0a1108099ae9fee392e478cb4f626c4473bd131c09ff4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e73099752eb1d2dd20e0ded5b64b3649338512543fcedb2ac8b6b62dde21c985
[INFO] running `Command { std: "docker" "start" "-a" "e73099752eb1d2dd20e0ded5b64b3649338512543fcedb2ac8b6b62dde21c985", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]     Checking worst-executor v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking piper v0.2.3
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]     Checking async-net v1.8.0
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.24s
[INFO] running `Command { std: "docker" "inspect" "e73099752eb1d2dd20e0ded5b64b3649338512543fcedb2ac8b6b62dde21c985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e73099752eb1d2dd20e0ded5b64b3649338512543fcedb2ac8b6b62dde21c985", kill_on_drop: false }`
[INFO] [stdout] e73099752eb1d2dd20e0ded5b64b3649338512543fcedb2ac8b6b62dde21c985
[INFO] checking worst-executor-0.1.1 against try#8a6640bd72b80869b16392026cb3aa8ce8e3f9b7 for pr-127827
[INFO] extracting crate worst-executor 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate worst-executor 0.1.1 on toolchain 8a6640bd72b80869b16392026cb3aa8ce8e3f9b7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate worst-executor 0.1.1
[INFO] finished tweaking crates.io crate worst-executor 0.1.1
[INFO] tweaked toml for crates.io crate worst-executor 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 73 packages to latest compatible versions
[INFO] [stderr]       Adding async-channel v1.9.0 (latest: v2.3.1)
[INFO] [stderr]       Adding async-fs v1.6.0 (latest: v2.1.2)
[INFO] [stderr]       Adding async-io v1.13.0 (latest: v2.3.3)
[INFO] [stderr]       Adding async-lock v2.8.0 (latest: v3.4.0)
[INFO] [stderr]       Adding async-net v1.8.0 (latest: v2.0.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding event-listener v2.5.3 (latest: v5.3.1)
[INFO] [stderr]       Adding fastrand v1.9.0 (latest: v2.1.0)
[INFO] [stderr]       Adding futures-lite v1.13.0 (latest: v2.3.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (latest: v0.4.0)
[INFO] [stderr]       Adding io-lifetimes v1.0.11 (latest: v2.0.3)
[INFO] [stderr]       Adding linux-raw-sys v0.3.8 (latest: v0.6.4)
[INFO] [stderr]       Adding polling v2.8.0 (latest: v3.7.2)
[INFO] [stderr]       Adding rustix v0.37.27 (latest: v0.38.34)
[INFO] [stderr]       Adding socket2 v0.4.10 (latest: v0.5.7)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe59d47f61c0e08889e92ad5079a4f3b4c50395837b7c0f750b94a0ba9452fa6
[INFO] running `Command { std: "docker" "start" "-a" "fe59d47f61c0e08889e92ad5079a4f3b4c50395837b7c0f750b94a0ba9452fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe59d47f61c0e08889e92ad5079a4f3b4c50395837b7c0f750b94a0ba9452fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe59d47f61c0e08889e92ad5079a4f3b4c50395837b7c0f750b94a0ba9452fa6", kill_on_drop: false }`
[INFO] [stdout] fe59d47f61c0e08889e92ad5079a4f3b4c50395837b7c0f750b94a0ba9452fa6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83244fbeee229f17507a394cb333653be3851ce9c15b2ac16683b671dd1c7fce
[INFO] running `Command { std: "docker" "start" "-a" "83244fbeee229f17507a394cb333653be3851ce9c15b2ac16683b671dd1c7fce", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking worst-executor v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking piper v0.2.3
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]     Checking async-net v1.8.0
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stdout] error: async closure does not implement `FnMut` because it captures state from its environment
[INFO] [stdout]    --> src/lib.rs:306:69
[INFO] [stdout]     |
[INFO] [stdout] 306 |             let mut readers = futures::future::join_all((0..10).map(|i| async move {
[INFO] [stdout]     |                                                                 --- ^^^
[INFO] [stdout]     |                                                                 |
[INFO] [stdout]     |                                                                 required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `std::iter::Iterator::map`
[INFO] [stdout]    --> /rustc/8a6640bd72b80869b16392026cb3aa8ce8e3f9b7/library/core/src/iter/traits/iterator.rs:762:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: async closure does not implement `FnMut` because it captures state from its environment
[INFO] [stdout]    --> src/lib.rs:306:69
[INFO] [stdout]     |
[INFO] [stdout] 306 |             let mut readers = futures::future::join_all((0..10).map(|i| async move {
[INFO] [stdout]     |                                                                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for `std::iter::Map<std::ops::Range<i32>, {async closure@src/lib.rs:306:69: 306:72}>` to implement `Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `worst-executor` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "83244fbeee229f17507a394cb333653be3851ce9c15b2ac16683b671dd1c7fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83244fbeee229f17507a394cb333653be3851ce9c15b2ac16683b671dd1c7fce", kill_on_drop: false }`
[INFO] [stdout] 83244fbeee229f17507a394cb333653be3851ce9c15b2ac16683b671dd1c7fce