[INFO] cloning repository https://github.com/leodasvacas/futures-benchmark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leodasvacas/futures-benchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleodasvacas%2Ffutures-benchmark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleodasvacas%2Ffutures-benchmark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a8283a443817a9854b4cace21eaf5a774070a40
[INFO] checking leodasvacas/futures-benchmark against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleodasvacas%2Ffutures-benchmark" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leodasvacas/futures-benchmark 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 git repo https://github.com/leodasvacas/futures-benchmark
[INFO] finished tweaking git repo https://github.com/leodasvacas/futures-benchmark
[INFO] tweaked toml for git repo https://github.com/leodasvacas/futures-benchmark written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/leodasvacas/futures-benchmark 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 git repository `https://github.com/leodasvacas/futures-rs`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9098056f68177176a9d0cfebb87f79868d691e87d730a2e5cdf5ef8a2fed07e4
[INFO] running `Command { std: "docker" "start" "-a" "9098056f68177176a9d0cfebb87f79868d691e87d730a2e5cdf5ef8a2fed07e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9098056f68177176a9d0cfebb87f79868d691e87d730a2e5cdf5ef8a2fed07e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9098056f68177176a9d0cfebb87f79868d691e87d730a2e5cdf5ef8a2fed07e4", kill_on_drop: false }`
[INFO] [stdout] 9098056f68177176a9d0cfebb87f79868d691e87d730a2e5cdf5ef8a2fed07e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ae8c612124449a85628625bffed8fae084737f2cd0c98a11c0dd7fa69e3a9d73
[INFO] running `Command { std: "docker" "start" "-a" "ae8c612124449a85628625bffed8fae084737f2cd0c98a11c0dd7fa69e3a9d73", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.13 (https://github.com/leodasvacas/futures-rs?branch=task-rewrite-benchmark#7eeee658)
[INFO] [stderr]     Checking future-seg-fault v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `future_seg_fault`
[INFO] [stdout]   --> src/main.rs:31:2
[INFO] [stdout]    |
[INFO] [stdout] 31 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `src/main.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 `future-seg-fault` (bin "future-seg-fault") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ae8c612124449a85628625bffed8fae084737f2cd0c98a11c0dd7fa69e3a9d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8c612124449a85628625bffed8fae084737f2cd0c98a11c0dd7fa69e3a9d73", kill_on_drop: false }`
[INFO] [stdout] ae8c612124449a85628625bffed8fae084737f2cd0c98a11c0dd7fa69e3a9d73