[INFO] fetching crate mfio 0.1.0...
[INFO] checking mfio-0.1.0 against master#91c0823ee63e793d990bb9fed898dc95b5d6db51 for pr-125384-2
[INFO] extracting crate mfio 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate mfio 0.1.0 on toolchain 91c0823ee63e793d990bb9fed898dc95b5d6db51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mfio 0.1.0
[INFO] finished tweaking crates.io crate mfio 0.1.0
[INFO] tweaked toml for crates.io crate mfio 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate mfio 0.1.0 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" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tarc v0.1.4
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[INFO] [stderr]   Downloaded futures-lite v2.1.0
[INFO] [stderr]   Downloaded piper v0.2.1
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31e3781f91feb607a61ff2c8915de1c8faf0a44ed6a4245986c136412482fa21
[INFO] running `Command { std: "docker" "start" "-a" "31e3781f91feb607a61ff2c8915de1c8faf0a44ed6a4245986c136412482fa21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31e3781f91feb607a61ff2c8915de1c8faf0a44ed6a4245986c136412482fa21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e3781f91feb607a61ff2c8915de1c8faf0a44ed6a4245986c136412482fa21", kill_on_drop: false }`
[INFO] [stdout] 31e3781f91feb607a61ff2c8915de1c8faf0a44ed6a4245986c136412482fa21
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 909ea6cc045e78ccfaee4d746c1ed15f11e681ae3f0fedce21b8b686ea18ab81
[INFO] running `Command { std: "docker" "start" "-a" "909ea6cc045e78ccfaee4d746c1ed15f11e681ae3f0fedce21b8b686ea18ab81", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling rustix v0.38.26
[INFO] [stderr]     Checking futures-lite v2.1.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking event-listener v4.0.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]    Compiling semver v1.0.20
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[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking async-task v4.5.0
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling winnow v0.5.25
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling syn v1.0.109
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[INFO] [stderr]    Compiling lock_api v0.4.11
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[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling toml_edit v0.20.7
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling cglue v0.2.14
[INFO] [stderr]     Checking event-listener v3.1.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking ciborium-io v0.2.1
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[INFO] [stderr]     Checking anstyle v1.0.4
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[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking clap_builder v4.4.11
[INFO] [stderr]     Checking polling v3.3.1
[INFO] [stderr]     Checking async-io v2.2.1
[INFO] [stderr]    Compiling proc-macro-crate v2.0.0
[INFO] [stderr]     Checking async-signal v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking async-process v1.8.1
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]    Compiling cglue-gen v0.2.9
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling bytemuck_derive v1.5.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking async-net v1.8.0
[INFO] [stderr]     Checking async-executor v1.8.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking no-std-compat v0.4.1
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking tarc v0.1.4
[INFO] [stderr]     Checking smol v1.3.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]    Compiling mfio-derive v0.1.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking http v0.2.11
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[INFO] [stderr]     Checking clap v4.4.11
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking rangemap v1.4.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking pollster v0.2.5
[INFO] [stderr]    Compiling cglue-macro v0.2.3
[INFO] [stderr]     Checking mfio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "909ea6cc045e78ccfaee4d746c1ed15f11e681ae3f0fedce21b8b686ea18ab81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "909ea6cc045e78ccfaee4d746c1ed15f11e681ae3f0fedce21b8b686ea18ab81", kill_on_drop: false }`
[INFO] [stdout] 909ea6cc045e78ccfaee4d746c1ed15f11e681ae3f0fedce21b8b686ea18ab81
[INFO] checking mfio-0.1.0 against try#519d6e23a6cb73c4d0f295f71ad37db8e95c54ab for pr-125384-2
[INFO] extracting crate mfio 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate mfio 0.1.0 on toolchain 519d6e23a6cb73c4d0f295f71ad37db8e95c54ab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+519d6e23a6cb73c4d0f295f71ad37db8e95c54ab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mfio 0.1.0
[INFO] finished tweaking crates.io crate mfio 0.1.0
[INFO] tweaked toml for crates.io crate mfio 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate mfio 0.1.0 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" "+519d6e23a6cb73c4d0f295f71ad37db8e95c54ab" "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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+519d6e23a6cb73c4d0f295f71ad37db8e95c54ab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f3fee7f2cda6a138124e137d71e08bfb12783f099c27b5ca441e473cecad015
[INFO] running `Command { std: "docker" "start" "-a" "7f3fee7f2cda6a138124e137d71e08bfb12783f099c27b5ca441e473cecad015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f3fee7f2cda6a138124e137d71e08bfb12783f099c27b5ca441e473cecad015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f3fee7f2cda6a138124e137d71e08bfb12783f099c27b5ca441e473cecad015", kill_on_drop: false }`
[INFO] [stdout] 7f3fee7f2cda6a138124e137d71e08bfb12783f099c27b5ca441e473cecad015
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "+519d6e23a6cb73c4d0f295f71ad37db8e95c54ab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 762cde50e3e6a2a049b45235aafb43816a5d7df16faff806694085aba887ae3a
[INFO] running `Command { std: "docker" "start" "-a" "762cde50e3e6a2a049b45235aafb43816a5d7df16faff806694085aba887ae3a", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Migrating Cargo.toml from 2021 edition to 2024
[INFO] [stderr]        Fixed Cargo.toml (4 fixes)
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling rustix v0.38.26
[INFO] [stderr]     Checking futures-lite v2.1.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking event-listener v4.0.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
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[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
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[INFO] [stderr]        Fixed src/io/packet/output.rs (2 fixes)
[INFO] [stderr]        Fixed src/io/packet/mod.rs (14 fixes)
[INFO] [stderr]        Fixed src/backend/fd.rs (4 fixes)
[INFO] [stderr]        Fixed src/io/packet/view.rs (6 fixes)
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[INFO] running `Command { std: "docker" "inspect" "762cde50e3e6a2a049b45235aafb43816a5d7df16faff806694085aba887ae3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "762cde50e3e6a2a049b45235aafb43816a5d7df16faff806694085aba887ae3a", kill_on_drop: false }`
[INFO] [stdout] 762cde50e3e6a2a049b45235aafb43816a5d7df16faff806694085aba887ae3a