[INFO] fetching crate metron 0.0.1...
[INFO] checking metron-0.0.1 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate metron 0.0.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate metron 0.0.1 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metron 0.0.1
[INFO] finished tweaking crates.io crate metron 0.0.1
[INFO] tweaked toml for crates.io crate metron 0.0.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded metron_library v0.0.1
[INFO] [stderr]   Downloaded metron_core v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fadfc0092bfb105a1a7fac7d583d7bb80d761528b4e30e5c25e49c9e3fc5689
[INFO] running `Command { std: "docker" "start" "-a" "3fadfc0092bfb105a1a7fac7d583d7bb80d761528b4e30e5c25e49c9e3fc5689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fadfc0092bfb105a1a7fac7d583d7bb80d761528b4e30e5c25e49c9e3fc5689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fadfc0092bfb105a1a7fac7d583d7bb80d761528b4e30e5c25e49c9e3fc5689", kill_on_drop: false }`
[INFO] [stdout] 3fadfc0092bfb105a1a7fac7d583d7bb80d761528b4e30e5c25e49c9e3fc5689
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95fc2e7e044966d4f6d749e3d149ea71961e4b8470f941c08226714246e2f521
[INFO] running `Command { std: "docker" "start" "-a" "95fc2e7e044966d4f6d749e3d149ea71961e4b8470f941c08226714246e2f521", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking metron_core v0.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking metron_library v0.0.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking metron v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] error[E0601]: `main` function not found in crate `my_benchmark`
[INFO] [stdout]   --> benches/my_benchmark.rs:30:30
[INFO] [stdout]    |
[INFO] [stdout] 30 | // criterion_main!(benches);
[INFO] [stdout]    |                              ^ consider adding a `main` function to `benches/my_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 `metron` (bench "my_benchmark") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "95fc2e7e044966d4f6d749e3d149ea71961e4b8470f941c08226714246e2f521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95fc2e7e044966d4f6d749e3d149ea71961e4b8470f941c08226714246e2f521", kill_on_drop: false }`
[INFO] [stdout] 95fc2e7e044966d4f6d749e3d149ea71961e4b8470f941c08226714246e2f521
[INFO] checking metron-0.0.1 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate metron 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate metron 0.0.1 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metron 0.0.1
[INFO] finished tweaking crates.io crate metron 0.0.1
[INFO] tweaked toml for crates.io crate metron 0.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98dfd58e3408f91ddb99eb19ccc92cabeb383feafd18b7d0ebaa347389410866
[INFO] running `Command { std: "docker" "start" "-a" "98dfd58e3408f91ddb99eb19ccc92cabeb383feafd18b7d0ebaa347389410866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98dfd58e3408f91ddb99eb19ccc92cabeb383feafd18b7d0ebaa347389410866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98dfd58e3408f91ddb99eb19ccc92cabeb383feafd18b7d0ebaa347389410866", kill_on_drop: false }`
[INFO] [stdout] 98dfd58e3408f91ddb99eb19ccc92cabeb383feafd18b7d0ebaa347389410866
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8630fd22bf987846c6199496dc4323d7d52cc656f443c857a3a10061d20b8b7e
[INFO] running `Command { std: "docker" "start" "-a" "8630fd22bf987846c6199496dc4323d7d52cc656f443c857a3a10061d20b8b7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking metron_core v0.0.1
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking metron_library v0.0.1
[INFO] [stderr]     Checking metron v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] error[E0601]: `main` function not found in crate `my_benchmark`
[INFO] [stdout]   --> benches/my_benchmark.rs:30:30
[INFO] [stdout]    |
[INFO] [stdout] 30 | // criterion_main!(benches);
[INFO] [stdout]    |                              ^ consider adding a `main` function to `benches/my_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 `metron` (bench "my_benchmark") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8630fd22bf987846c6199496dc4323d7d52cc656f443c857a3a10061d20b8b7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8630fd22bf987846c6199496dc4323d7d52cc656f443c857a3a10061d20b8b7e", kill_on_drop: false }`
[INFO] [stdout] 8630fd22bf987846c6199496dc4323d7d52cc656f443c857a3a10061d20b8b7e
