[INFO] fetching crate peerlink 0.6.0...
[INFO] checking peerlink-0.6.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate peerlink 0.6.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate peerlink 0.6.0 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 peerlink 0.6.0
[INFO] finished tweaking crates.io crate peerlink 0.6.0
[INFO] tweaked toml for crates.io crate peerlink 0.6.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate peerlink 0.6.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded socks v0.3.4
[INFO] [stderr]   Downloaded windows-targets v0.42.1
[INFO] [stderr]   Downloaded is-terminal v0.4.4
[INFO] [stderr]   Downloaded intmap v2.0.0
[INFO] [stderr]   Downloaded io-lifetimes v1.0.5
[INFO] [stderr]   Downloaded secp256k1 v0.24.1
[INFO] [stderr]   Downloaded cc v1.0.76
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.7
[INFO] [stderr]   Downloaded rustix v0.36.8
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.42.1
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.42.1
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.42.1
[INFO] [stderr]   Downloaded windows_i686_gnu v0.42.1
[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.1
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.42.1
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.42.1
[INFO] [stderr]   Downloaded libc v0.2.137
[INFO] [stderr]   Downloaded mio v0.8.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c8f753901b0364386364ea3d7f4a36e000dd02b390d196094b9c7f5aa62327cb
[INFO] running `Command { std: "docker" "start" "-a" "c8f753901b0364386364ea3d7f4a36e000dd02b390d196094b9c7f5aa62327cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8f753901b0364386364ea3d7f4a36e000dd02b390d196094b9c7f5aa62327cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8f753901b0364386364ea3d7f4a36e000dd02b390d196094b9c7f5aa62327cb", kill_on_drop: false }`
[INFO] [stdout] c8f753901b0364386364ea3d7f4a36e000dd02b390d196094b9c7f5aa62327cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b6197605a1d1dfa16fb21191bc7d7e52136a8d0cc9ebae3cd98f469e1a9e49d6
[INFO] running `Command { std: "docker" "start" "-a" "b6197605a1d1dfa16fb21191bc7d7e52136a8d0cc9ebae3cd98f469e1a9e49d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling cc v1.0.76
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]     Checking bitcoin_hashes v0.11.0
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking bech32 v0.9.1
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking intmap v2.0.0
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]    Compiling secp256k1-sys v0.6.1
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking is-terminal v0.4.4
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking secp256k1 v0.24.1
[INFO] [stderr]     Checking bitcoin v0.29.2
[INFO] [stderr]     Checking peerlink v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Encodable` is imported redundantly
[INFO] [stdout]    --> src/message_stream.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |     use bitcoin::consensus::Encodable;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 204 |     use super::*;
[INFO] [stdout]     |         -------- the item `Encodable` is already imported here
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.45s
[INFO] running `Command { std: "docker" "inspect" "b6197605a1d1dfa16fb21191bc7d7e52136a8d0cc9ebae3cd98f469e1a9e49d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6197605a1d1dfa16fb21191bc7d7e52136a8d0cc9ebae3cd98f469e1a9e49d6", kill_on_drop: false }`
[INFO] [stdout] b6197605a1d1dfa16fb21191bc7d7e52136a8d0cc9ebae3cd98f469e1a9e49d6
[INFO] checking peerlink-0.6.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate peerlink 0.6.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate peerlink 0.6.0 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 peerlink 0.6.0
[INFO] finished tweaking crates.io crate peerlink 0.6.0
[INFO] tweaked toml for crates.io crate peerlink 0.6.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate peerlink 0.6.0 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] cb2fa4e17a2a3fc60440b9adca94303a2b5b9921a4673e47f52cf9ff1f9fa98b
[INFO] running `Command { std: "docker" "start" "-a" "cb2fa4e17a2a3fc60440b9adca94303a2b5b9921a4673e47f52cf9ff1f9fa98b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb2fa4e17a2a3fc60440b9adca94303a2b5b9921a4673e47f52cf9ff1f9fa98b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb2fa4e17a2a3fc60440b9adca94303a2b5b9921a4673e47f52cf9ff1f9fa98b", kill_on_drop: false }`
[INFO] [stdout] cb2fa4e17a2a3fc60440b9adca94303a2b5b9921a4673e47f52cf9ff1f9fa98b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 48e6aba59d46550a48efdbc6605164583e9fa3ccdbef6eb663d24001a1d5d10e
[INFO] running `Command { std: "docker" "start" "-a" "48e6aba59d46550a48efdbc6605164583e9fa3ccdbef6eb663d24001a1d5d10e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling cc v1.0.76
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking bitcoin_hashes v0.11.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking bech32 v0.9.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking intmap v2.0.0
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]    Compiling secp256k1-sys v0.6.1
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking is-terminal v0.4.4
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking secp256k1 v0.24.1
[INFO] [stderr]     Checking bitcoin v0.29.2
[INFO] [stderr]     Checking peerlink v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Encodable` is imported redundantly
[INFO] [stdout]    --> src/message_stream.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |     use bitcoin::consensus::Encodable;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 204 |     use super::*;
[INFO] [stdout]     |         -------- the item `Encodable` is already imported here
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.81s
[INFO] running `Command { std: "docker" "inspect" "48e6aba59d46550a48efdbc6605164583e9fa3ccdbef6eb663d24001a1d5d10e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e6aba59d46550a48efdbc6605164583e9fa3ccdbef6eb663d24001a1d5d10e", kill_on_drop: false }`
[INFO] [stdout] 48e6aba59d46550a48efdbc6605164583e9fa3ccdbef6eb663d24001a1d5d10e