[INFO] fetching crate pallas-machines 0.4.0...
[INFO] checking pallas-machines-0.4.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate pallas-machines 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate pallas-machines 0.4.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallas-machines 0.4.0
[INFO] finished tweaking crates.io crate pallas-machines 0.4.0
[INFO] tweaked toml for crates.io crate pallas-machines 0.4.0 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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minicbor v0.13.2
[INFO] [stderr]   Downloaded pallas-multiplexer v0.4.0
[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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fc9ca7ef4a2dbe4dd15efcf4048da12a7b6230db375f222613602882affb698
[INFO] running `Command { std: "docker" "start" "-a" "4fc9ca7ef4a2dbe4dd15efcf4048da12a7b6230db375f222613602882affb698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fc9ca7ef4a2dbe4dd15efcf4048da12a7b6230db375f222613602882affb698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fc9ca7ef4a2dbe4dd15efcf4048da12a7b6230db375f222613602882affb698", kill_on_drop: false }`
[INFO] [stdout] 4fc9ca7ef4a2dbe4dd15efcf4048da12a7b6230db375f222613602882affb698
[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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ced058073233259a582d8a2667574680dfa55667352b3ca089b55ebe4802ecbc
[INFO] running `Command { std: "docker" "start" "-a" "ced058073233259a582d8a2667574680dfa55667352b3ca089b55ebe4802ecbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling minicbor v0.13.2
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking pallas-multiplexer v0.4.0
[INFO] [stderr]     Checking pallas-machines v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Payload` is imported redundantly
[INFO] [stdout]  --> src/payloads.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Payload` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 5 | use pallas_multiplexer::Payload;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Payload` is imported redundantly
[INFO] [stdout]  --> src/payloads.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Payload` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 5 | use pallas_multiplexer::Payload;
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "ced058073233259a582d8a2667574680dfa55667352b3ca089b55ebe4802ecbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ced058073233259a582d8a2667574680dfa55667352b3ca089b55ebe4802ecbc", kill_on_drop: false }`
[INFO] [stdout] ced058073233259a582d8a2667574680dfa55667352b3ca089b55ebe4802ecbc
[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 pallas-machines-0.4.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate pallas-machines 0.4.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate pallas-machines 0.4.0 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallas-machines 0.4.0
[INFO] finished tweaking crates.io crate pallas-machines 0.4.0
[INFO] tweaked toml for crates.io crate pallas-machines 0.4.0 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" "+09bc67b9158392361780e779d32997f14cc75c39" "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" "+09bc67b9158392361780e779d32997f14cc75c39" "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" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd266d1c2afd908965dada639854480fffc86b412714791dcd41cd8c28609c7d
[INFO] running `Command { std: "docker" "start" "-a" "fd266d1c2afd908965dada639854480fffc86b412714791dcd41cd8c28609c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd266d1c2afd908965dada639854480fffc86b412714791dcd41cd8c28609c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd266d1c2afd908965dada639854480fffc86b412714791dcd41cd8c28609c7d", kill_on_drop: false }`
[INFO] [stdout] fd266d1c2afd908965dada639854480fffc86b412714791dcd41cd8c28609c7d
[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" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e81b1e3212bb3be5483947a06f3b48f0d886639a8124078022fb87cf85de52c0
[INFO] running `Command { std: "docker" "start" "-a" "e81b1e3212bb3be5483947a06f3b48f0d886639a8124078022fb87cf85de52c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling minicbor v0.13.2
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking pallas-multiplexer v0.4.0
[INFO] [stderr]     Checking pallas-machines v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Payload` is imported redundantly
[INFO] [stdout]  --> src/payloads.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Payload` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 5 | use pallas_multiplexer::Payload;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Payload` is imported redundantly
[INFO] [stdout]  --> src/payloads.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Payload` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 5 | use pallas_multiplexer::Payload;
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "e81b1e3212bb3be5483947a06f3b48f0d886639a8124078022fb87cf85de52c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e81b1e3212bb3be5483947a06f3b48f0d886639a8124078022fb87cf85de52c0", kill_on_drop: false }`
[INFO] [stdout] e81b1e3212bb3be5483947a06f3b48f0d886639a8124078022fb87cf85de52c0