[INFO] fetching crate hightorrent 0.1.0...
[INFO] checking hightorrent-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate hightorrent 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate hightorrent 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hightorrent 0.1.0
[INFO] finished tweaking crates.io crate hightorrent 0.1.0
[INFO] tweaked toml for crates.io crate hightorrent 0.1.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 45 packages
[INFO] [stderr]       Adding bt_bencode v0.7.0 (latest: v0.8.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha256 v1.5.0
[INFO] [stderr]   Downloaded bt_bencode v0.7.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb8f27a1c70de42edba7651212cd51177112b044a728ce7cd019855e06aa7bd6
[INFO] running `Command { std: "docker" "start" "-a" "bb8f27a1c70de42edba7651212cd51177112b044a728ce7cd019855e06aa7bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb8f27a1c70de42edba7651212cd51177112b044a728ce7cd019855e06aa7bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb8f27a1c70de42edba7651212cd51177112b044a728ce7cd019855e06aa7bd6", kill_on_drop: false }`
[INFO] [stdout] bb8f27a1c70de42edba7651212cd51177112b044a728ce7cd019855e06aa7bd6
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc765e54ac370cf2e3a5366f082aa5235a8b9825ce1e626331a05c6ba046135b
[INFO] running `Command { std: "docker" "start" "-a" "bc765e54ac370cf2e3a5366f082aa5235a8b9825ce1e626331a05c6ba046135b", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking sha256 v1.5.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking bt_bencode v0.7.0
[INFO] [stderr]     Checking hightorrent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.29s
[INFO] running `Command { std: "docker" "inspect" "bc765e54ac370cf2e3a5366f082aa5235a8b9825ce1e626331a05c6ba046135b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc765e54ac370cf2e3a5366f082aa5235a8b9825ce1e626331a05c6ba046135b", kill_on_drop: false }`
[INFO] [stdout] bc765e54ac370cf2e3a5366f082aa5235a8b9825ce1e626331a05c6ba046135b
[INFO] checking hightorrent-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate hightorrent 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate hightorrent 0.1.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hightorrent 0.1.0
[INFO] finished tweaking crates.io crate hightorrent 0.1.0
[INFO] tweaked toml for crates.io crate hightorrent 0.1.0 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 45 packages
[INFO] [stderr]       Adding bt_bencode v0.7.0 (latest: v0.8.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19544e551810908a12d5c89a9f6a112846fe13b75cee31ded27b2521243b8f4d
[INFO] running `Command { std: "docker" "start" "-a" "19544e551810908a12d5c89a9f6a112846fe13b75cee31ded27b2521243b8f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19544e551810908a12d5c89a9f6a112846fe13b75cee31ded27b2521243b8f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19544e551810908a12d5c89a9f6a112846fe13b75cee31ded27b2521243b8f4d", kill_on_drop: false }`
[INFO] [stdout] 19544e551810908a12d5c89a9f6a112846fe13b75cee31ded27b2521243b8f4d
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16cc0ead387f5305c0127183f50ebc961a35c5550c808ecfdcd8d8d2b2868334
[INFO] running `Command { std: "docker" "start" "-a" "16cc0ead387f5305c0127183f50ebc961a35c5550c808ecfdcd8d8d2b2868334", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking sha256 v1.5.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking bt_bencode v0.7.0
[INFO] [stderr]     Checking hightorrent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.15s
[INFO] running `Command { std: "docker" "inspect" "16cc0ead387f5305c0127183f50ebc961a35c5550c808ecfdcd8d8d2b2868334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16cc0ead387f5305c0127183f50ebc961a35c5550c808ecfdcd8d8d2b2868334", kill_on_drop: false }`
[INFO] [stdout] 16cc0ead387f5305c0127183f50ebc961a35c5550c808ecfdcd8d8d2b2868334