[INFO] fetching crate natsuki 3.0.1...
[INFO] checking natsuki-3.0.1 against master#7c4ac0603e9ee5295bc802c90575391288a69a8a for pr-124728
[INFO] extracting crate natsuki 3.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate natsuki 3.0.1 on toolchain 7c4ac0603e9ee5295bc802c90575391288a69a8a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate natsuki 3.0.1
[INFO] finished tweaking crates.io crate natsuki 3.0.1
[INFO] tweaked toml for crates.io crate natsuki 3.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate natsuki 3.0.1 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" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded comfy-table v6.2.0
[INFO] [stderr]   Downloaded typemap_rev v0.1.5
[INFO] [stderr]   Downloaded shuttle-proto v0.27.0
[INFO] [stderr]   Downloaded poise_macros v0.5.6
[INFO] [stderr]   Downloaded shuttle-runtime v0.27.0
[INFO] [stderr]   Downloaded shuttle-common v0.27.0
[INFO] [stderr]   Downloaded poise v0.5.6
[INFO] [stderr]   Downloaded serenity v0.11.6
[INFO] [stderr]   Downloaded webp v0.2.6
[INFO] [stderr]   Downloaded libwebp-sys v0.9.4
[INFO] [stderr]   Downloaded shuttle-poise v0.27.0
[INFO] [stderr]   Downloaded rustrict v0.7.10
[INFO] [stderr]   Downloaded shuttle-secrets v0.27.0
[INFO] [stderr]   Downloaded shuttle-service v0.27.0
[INFO] [stderr]   Downloaded shuttle-codegen v0.27.0
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69651f70f33dc5cabb8f492eecb89d84d7ac79049d4dcdb3e435c73d55b4a5bf
[INFO] running `Command { std: "docker" "start" "-a" "69651f70f33dc5cabb8f492eecb89d84d7ac79049d4dcdb3e435c73d55b4a5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69651f70f33dc5cabb8f492eecb89d84d7ac79049d4dcdb3e435c73d55b4a5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69651f70f33dc5cabb8f492eecb89d84d7ac79049d4dcdb3e435c73d55b4a5bf", kill_on_drop: false }`
[INFO] [stdout] 69651f70f33dc5cabb8f492eecb89d84d7ac79049d4dcdb3e435c73d55b4a5bf
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a63fa258719dba48c3255ec51c75fd253a7889fb8b89100f625249ce0042bdaf
[INFO] running `Command { std: "docker" "start" "-a" "a63fa258719dba48c3255ec51c75fd253a7889fb8b89100f625249ce0042bdaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
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[INFO] [stderr]     Checking natsuki v3.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.11s
[INFO] running `Command { std: "docker" "inspect" "a63fa258719dba48c3255ec51c75fd253a7889fb8b89100f625249ce0042bdaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a63fa258719dba48c3255ec51c75fd253a7889fb8b89100f625249ce0042bdaf", kill_on_drop: false }`
[INFO] [stdout] a63fa258719dba48c3255ec51c75fd253a7889fb8b89100f625249ce0042bdaf
[ERROR] this task or one of its parent failed!
[ERROR] error sending request for url (https://crater.rust-lang.org/agent-api/record-progress): connection closed before message completed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking natsuki-3.0.1 against try#98ebbae35138252af77610c20ea5a5e8bf68d639 for pr-124728
[INFO] extracting crate natsuki 3.0.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate natsuki 3.0.1 on toolchain 98ebbae35138252af77610c20ea5a5e8bf68d639
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate natsuki 3.0.1
[INFO] finished tweaking crates.io crate natsuki 3.0.1
[INFO] tweaked toml for crates.io crate natsuki 3.0.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate natsuki 3.0.1 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" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14d062e0adf05151933365aadb599e7c580546ec35888c341877ed721997c16a
[INFO] running `Command { std: "docker" "start" "-a" "14d062e0adf05151933365aadb599e7c580546ec35888c341877ed721997c16a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14d062e0adf05151933365aadb599e7c580546ec35888c341877ed721997c16a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14d062e0adf05151933365aadb599e7c580546ec35888c341877ed721997c16a", kill_on_drop: false }`
[INFO] [stdout] 14d062e0adf05151933365aadb599e7c580546ec35888c341877ed721997c16a
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fd50179f47f6d477d896c21aabde52bad30dfe1f491fd63a96ade38c049eb5b
[INFO] running `Command { std: "docker" "start" "-a" "5fd50179f47f6d477d896c21aabde52bad30dfe1f491fd63a96ade38c049eb5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.148
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[INFO] [stderr]    Compiling time-core v0.1.2
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]    Compiling darling_core v0.14.4
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[INFO] [stderr]    Compiling serde_derive v1.0.188
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[INFO] [stderr]    Compiling prost-derive v0.11.9
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[INFO] [stderr]     Checking natsuki v3.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.14s
[INFO] running `Command { std: "docker" "inspect" "5fd50179f47f6d477d896c21aabde52bad30dfe1f491fd63a96ade38c049eb5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fd50179f47f6d477d896c21aabde52bad30dfe1f491fd63a96ade38c049eb5b", kill_on_drop: false }`
[INFO] [stdout] 5fd50179f47f6d477d896c21aabde52bad30dfe1f491fd63a96ade38c049eb5b