[INFO] fetching crate kademlia-dht 1.2.0...
[INFO] checking kademlia-dht-1.2.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate kademlia-dht 1.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate kademlia-dht 1.2.0 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kademlia-dht 1.2.0
[INFO] finished tweaking crates.io crate kademlia-dht 1.2.0
[INFO] tweaked toml for crates.io crate kademlia-dht 1.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate kademlia-dht 1.2.0 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simplelog v0.5.3
[INFO] [stderr]   Downloaded generic-array v0.9.0
[INFO] [stderr]   Downloaded block-buffer v0.3.3
[INFO] [stderr]   Downloaded bincode v0.9.2
[INFO] [stderr]   Downloaded digest v0.7.6
[INFO] [stderr]   Downloaded syn v1.0.6
[INFO] [stderr]   Downloaded sha3 v0.7.3
[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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31c11876243cbcb5ad4d6059fe4005607a7c87cf9f8d1d732bd0d3e5bb036219
[INFO] running `Command { std: "docker" "start" "-a" "31c11876243cbcb5ad4d6059fe4005607a7c87cf9f8d1d732bd0d3e5bb036219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31c11876243cbcb5ad4d6059fe4005607a7c87cf9f8d1d732bd0d3e5bb036219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31c11876243cbcb5ad4d6059fe4005607a7c87cf9f8d1d732bd0d3e5bb036219", kill_on_drop: false }`
[INFO] [stdout] 31c11876243cbcb5ad4d6059fe4005607a7c87cf9f8d1d732bd0d3e5bb036219
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3294a81ab9d28c3111161bb2a58e4ea215dc4576c385be23bf6a758db17b574
[INFO] running `Command { std: "docker" "start" "-a" "c3294a81ab9d28c3111161bb2a58e4ea215dc4576c385be23bf6a758db17b574", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling syn v1.0.6
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]      |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]     --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/alloc/src/borrow.rs:180:30
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]      |
[INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]      |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking sha3 v0.7.3
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c3294a81ab9d28c3111161bb2a58e4ea215dc4576c385be23bf6a758db17b574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3294a81ab9d28c3111161bb2a58e4ea215dc4576c385be23bf6a758db17b574", kill_on_drop: false }`
[INFO] [stdout] c3294a81ab9d28c3111161bb2a58e4ea215dc4576c385be23bf6a758db17b574
[INFO] checking kademlia-dht-1.2.0 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate kademlia-dht 1.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate kademlia-dht 1.2.0 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kademlia-dht 1.2.0
[INFO] finished tweaking crates.io crate kademlia-dht 1.2.0
[INFO] tweaked toml for crates.io crate kademlia-dht 1.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate kademlia-dht 1.2.0 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" "+dae34b759e282c069aa28752564694effd121a63" "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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d99407b7cf39ebf9b3e67c274fceded477b468d6adcdbaead5c3865b91bc5a5
[INFO] running `Command { std: "docker" "start" "-a" "5d99407b7cf39ebf9b3e67c274fceded477b468d6adcdbaead5c3865b91bc5a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d99407b7cf39ebf9b3e67c274fceded477b468d6adcdbaead5c3865b91bc5a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d99407b7cf39ebf9b3e67c274fceded477b468d6adcdbaead5c3865b91bc5a5", kill_on_drop: false }`
[INFO] [stdout] 5d99407b7cf39ebf9b3e67c274fceded477b468d6adcdbaead5c3865b91bc5a5
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9969080661f977f7f37588ebe39924e0e44bd23dc4a8e7f31932e5336e74b177
[INFO] running `Command { std: "docker" "start" "-a" "9969080661f977f7f37588ebe39924e0e44bd23dc4a8e7f31932e5336e74b177", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "9969080661f977f7f37588ebe39924e0e44bd23dc4a8e7f31932e5336e74b177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9969080661f977f7f37588ebe39924e0e44bd23dc4a8e7f31932e5336e74b177", kill_on_drop: false }`
[INFO] [stdout] 9969080661f977f7f37588ebe39924e0e44bd23dc4a8e7f31932e5336e74b177