[INFO] fetching crate heatshrink-lib 0.4.1...
[INFO] checking heatshrink-lib-0.4.1 against master#0ef0dd24510b52da980889546fcd15254dc56a23 for pr-126452
[INFO] extracting crate heatshrink-lib 0.4.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate heatshrink-lib 0.4.1 on toolchain 0ef0dd24510b52da980889546fcd15254dc56a23
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0ef0dd24510b52da980889546fcd15254dc56a23" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate heatshrink-lib 0.4.1
[INFO] finished tweaking crates.io crate heatshrink-lib 0.4.1
[INFO] tweaked toml for crates.io crate heatshrink-lib 0.4.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0ef0dd24510b52da980889546fcd15254dc56a23" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0ef0dd24510b52da980889546fcd15254dc56a23" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0ef0dd24510b52da980889546fcd15254dc56a23" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d23bafd6e617f9c89fad80b5d191396b57562b17eeb5f169bd6d647f74516a1
[INFO] running `Command { std: "docker" "start" "-a" "4d23bafd6e617f9c89fad80b5d191396b57562b17eeb5f169bd6d647f74516a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d23bafd6e617f9c89fad80b5d191396b57562b17eeb5f169bd6d647f74516a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d23bafd6e617f9c89fad80b5d191396b57562b17eeb5f169bd6d647f74516a1", kill_on_drop: false }`
[INFO] [stdout] 4d23bafd6e617f9c89fad80b5d191396b57562b17eeb5f169bd6d647f74516a1
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0ef0dd24510b52da980889546fcd15254dc56a23" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17f7bb700e032adca0f2f00592e40225bf2c287947eccfac72664a805de4b828
[INFO] running `Command { std: "docker" "start" "-a" "17f7bb700e032adca0f2f00592e40225bf2c287947eccfac72664a805de4b828", kill_on_drop: false }`
[INFO] [stderr]     Checking hex-literal v0.4.1
[INFO] [stderr]     Checking heatshrink-lib v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "17f7bb700e032adca0f2f00592e40225bf2c287947eccfac72664a805de4b828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17f7bb700e032adca0f2f00592e40225bf2c287947eccfac72664a805de4b828", kill_on_drop: false }`
[INFO] [stdout] 17f7bb700e032adca0f2f00592e40225bf2c287947eccfac72664a805de4b828
[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 heatshrink-lib-0.4.1 against try#d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9 for pr-126452
[INFO] extracting crate heatshrink-lib 0.4.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate heatshrink-lib 0.4.1 on toolchain d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate heatshrink-lib 0.4.1
[INFO] finished tweaking crates.io crate heatshrink-lib 0.4.1
[INFO] tweaked toml for crates.io crate heatshrink-lib 0.4.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9" "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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49f1d5f38375bc159f751ac4e7ac71797f1ef0b32de666142bb23c3fb904931b
[INFO] running `Command { std: "docker" "start" "-a" "49f1d5f38375bc159f751ac4e7ac71797f1ef0b32de666142bb23c3fb904931b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49f1d5f38375bc159f751ac4e7ac71797f1ef0b32de666142bb23c3fb904931b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49f1d5f38375bc159f751ac4e7ac71797f1ef0b32de666142bb23c3fb904931b", kill_on_drop: false }`
[INFO] [stdout] 49f1d5f38375bc159f751ac4e7ac71797f1ef0b32de666142bb23c3fb904931b
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a19bec57a3ecddc76199ac8ba853643d8ca07bdb2c2cf8638a6146a77d113b40
[INFO] running `Command { std: "docker" "start" "-a" "a19bec57a3ecddc76199ac8ba853643d8ca07bdb2c2cf8638a6146a77d113b40", kill_on_drop: false }`
[INFO] [stderr]     Checking hex-literal v0.4.1
[INFO] [stderr]     Checking heatshrink-lib v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "a19bec57a3ecddc76199ac8ba853643d8ca07bdb2c2cf8638a6146a77d113b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a19bec57a3ecddc76199ac8ba853643d8ca07bdb2c2cf8638a6146a77d113b40", kill_on_drop: false }`
[INFO] [stdout] a19bec57a3ecddc76199ac8ba853643d8ca07bdb2c2cf8638a6146a77d113b40