[INFO] fetching crate pickled 1.2.0...
[INFO] checking pickled-1.2.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate pickled 1.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate pickled 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 pickled 1.2.0
[INFO] finished tweaking crates.io crate pickled 1.2.0
[INFO] tweaked toml for crates.io crate pickled 1.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate pickled 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded variantly v0.4.0
[INFO] [stderr]   Downloaded darling_macro v0.11.0
[INFO] [stderr]   Downloaded darling v0.11.0
[INFO] [stderr]   Downloaded darling_core v0.11.0
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53c36c12613e9b274ce447a22b59c56acb55c1c544e544c93a13e773c24e105a
[INFO] running `Command { std: "docker" "start" "-a" "53c36c12613e9b274ce447a22b59c56acb55c1c544e544c93a13e773c24e105a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53c36c12613e9b274ce447a22b59c56acb55c1c544e544c93a13e773c24e105a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53c36c12613e9b274ce447a22b59c56acb55c1c544e544c93a13e773c24e105a", kill_on_drop: false }`
[INFO] [stdout] 53c36c12613e9b274ce447a22b59c56acb55c1c544e544c93a13e773c24e105a
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16cd84edf99ccb163f8cae94bd5f3d9c209252d29af3a801c7cba3c1bb62e0a6
[INFO] running `Command { std: "docker" "start" "-a" "16cd84edf99ccb163f8cae94bd5f3d9c209252d29af3a801c7cba3c1bb62e0a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling syn v2.0.40
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking iter-read v0.3.1
[INFO] [stderr]    Compiling darling_core v0.11.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling darling_macro v0.11.0
[INFO] [stderr]    Compiling darling v0.11.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling variantly v0.4.0
[INFO] [stderr]     Checking pickled v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `benchmark`
[INFO] [stdout]    --> benches/benchmark.rs:202:26
[INFO] [stdout]     |
[INFO] [stdout] 202 | criterion_main!(benches);
[INFO] [stdout]     |                          ^ consider adding a `main` function to `benches/benchmark.rs`
[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 E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pickled` (bench "benchmark") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "16cd84edf99ccb163f8cae94bd5f3d9c209252d29af3a801c7cba3c1bb62e0a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16cd84edf99ccb163f8cae94bd5f3d9c209252d29af3a801c7cba3c1bb62e0a6", kill_on_drop: false }`
[INFO] [stdout] 16cd84edf99ccb163f8cae94bd5f3d9c209252d29af3a801c7cba3c1bb62e0a6