[INFO] fetching crate luk_chain 0.2.0...
[INFO] checking luk_chain-0.2.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate luk_chain 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate luk_chain 0.2.0 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 luk_chain 0.2.0
[INFO] finished tweaking crates.io crate luk_chain 0.2.0
[INFO] tweaked toml for crates.io crate luk_chain 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate luk_chain 0.2.0 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.19
[INFO] [stderr]   Downloaded tracing-test-macro v0.1.0
[INFO] [stderr]   Downloaded tracing-test v0.1.0
[INFO] [stderr]   Downloaded synstructure v0.12.5
[INFO] [stderr]   Downloaded zeroize_derive v1.1.0
[INFO] [stderr]   Downloaded base64ct v1.0.0
[INFO] [stderr]   Downloaded pem-rfc7468 v0.2.0
[INFO] [stderr]   Downloaded der v0.4.0
[INFO] [stderr]   Downloaded rsa v0.5.0
[INFO] [stderr]   Downloaded num-bigint-dig v0.7.0
[INFO] [stderr]   Downloaded libm v0.2.1
[INFO] [stderr]   Downloaded pkcs1 v0.2.3
[INFO] [stderr]   Downloaded const-oid v0.6.0
[INFO] [stderr]   Downloaded pkcs8 v0.7.5
[INFO] [stderr]   Downloaded crypto-bigint v0.2.2
[INFO] [stderr]   Downloaded spki 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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61b47e2327ef6f031bb4cbf0e7df7cb9101decae0571cbba85696abebc06db0b
[INFO] running `Command { std: "docker" "start" "-a" "61b47e2327ef6f031bb4cbf0e7df7cb9101decae0571cbba85696abebc06db0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61b47e2327ef6f031bb4cbf0e7df7cb9101decae0571cbba85696abebc06db0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61b47e2327ef6f031bb4cbf0e7df7cb9101decae0571cbba85696abebc06db0b", kill_on_drop: false }`
[INFO] [stdout] 61b47e2327ef6f031bb4cbf0e7df7cb9101decae0571cbba85696abebc06db0b
[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=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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b0e15c93c9c0d4ecb663251af7a330d668b44a8865d3af91d22e9c8f120f519
[INFO] running `Command { std: "docker" "start" "-a" "5b0e15c93c9c0d4ecb663251af7a330d668b44a8865d3af91d22e9c8f120f519", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking const-oid v0.6.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking base64ct v1.0.0
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling num-bigint-dig v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking pem-rfc7468 v0.2.0
[INFO] [stderr]     Checking crypto-bigint v0.2.2
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking der v0.4.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking spki v0.4.0
[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking pico-args v0.4.2
[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] [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" "5b0e15c93c9c0d4ecb663251af7a330d668b44a8865d3af91d22e9c8f120f519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b0e15c93c9c0d4ecb663251af7a330d668b44a8865d3af91d22e9c8f120f519", kill_on_drop: false }`
[INFO] [stdout] 5b0e15c93c9c0d4ecb663251af7a330d668b44a8865d3af91d22e9c8f120f519
[INFO] checking luk_chain-0.2.0 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate luk_chain 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate luk_chain 0.2.0 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 luk_chain 0.2.0
[INFO] finished tweaking crates.io crate luk_chain 0.2.0
[INFO] tweaked toml for crates.io crate luk_chain 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate luk_chain 0.2.0 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-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f7218a7666b41ca29ed570221edac66e004e682393b455dccd80d1c5f8cff86
[INFO] running `Command { std: "docker" "start" "-a" "8f7218a7666b41ca29ed570221edac66e004e682393b455dccd80d1c5f8cff86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f7218a7666b41ca29ed570221edac66e004e682393b455dccd80d1c5f8cff86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f7218a7666b41ca29ed570221edac66e004e682393b455dccd80d1c5f8cff86", kill_on_drop: false }`
[INFO] [stdout] 8f7218a7666b41ca29ed570221edac66e004e682393b455dccd80d1c5f8cff86
[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=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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f44b2c0ac399df38678a9718e44dc88aa7a474cce5d5c010644c50344b7e565b
[INFO] running `Command { std: "docker" "start" "-a" "f44b2c0ac399df38678a9718e44dc88aa7a474cce5d5c010644c50344b7e565b", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "f44b2c0ac399df38678a9718e44dc88aa7a474cce5d5c010644c50344b7e565b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f44b2c0ac399df38678a9718e44dc88aa7a474cce5d5c010644c50344b7e565b", kill_on_drop: false }`
[INFO] [stdout] f44b2c0ac399df38678a9718e44dc88aa7a474cce5d5c010644c50344b7e565b