[INFO] fetching crate amethyst_ecs 0.1.1...
[INFO] checking amethyst_ecs-0.1.1 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate amethyst_ecs 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate amethyst_ecs 0.1.1 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 amethyst_ecs 0.1.1
[INFO] finished tweaking crates.io crate amethyst_ecs 0.1.1
[INFO] tweaked toml for crates.io crate amethyst_ecs 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] bfa49c0e2e38165cfbf93c3db3a148eb1221db6b21fda5fa67e5b27a72e2b434
[INFO] running `Command { std: "docker" "start" "-a" "bfa49c0e2e38165cfbf93c3db3a148eb1221db6b21fda5fa67e5b27a72e2b434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfa49c0e2e38165cfbf93c3db3a148eb1221db6b21fda5fa67e5b27a72e2b434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfa49c0e2e38165cfbf93c3db3a148eb1221db6b21fda5fa67e5b27a72e2b434", kill_on_drop: false }`
[INFO] [stdout] bfa49c0e2e38165cfbf93c3db3a148eb1221db6b21fda5fa67e5b27a72e2b434
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 57b6e5f86c86e866a53069b820be85cce5249ee454380f04f44b64593d2bf36e
[INFO] running `Command { std: "docker" "start" "-a" "57b6e5f86c86e866a53069b820be85cce5249ee454380f04f44b64593d2bf36e", kill_on_drop: false }`
[INFO] [stderr]     Checking amethyst_ecs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `step_by`
[INFO] [stdout]  --> benches/components.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(step_by)]
[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 E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `amethyst_ecs` (bench "components") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "57b6e5f86c86e866a53069b820be85cce5249ee454380f04f44b64593d2bf36e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57b6e5f86c86e866a53069b820be85cce5249ee454380f04f44b64593d2bf36e", kill_on_drop: false }`
[INFO] [stdout] 57b6e5f86c86e866a53069b820be85cce5249ee454380f04f44b64593d2bf36e
[INFO] checking amethyst_ecs-0.1.1 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate amethyst_ecs 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate amethyst_ecs 0.1.1 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 amethyst_ecs 0.1.1
[INFO] finished tweaking crates.io crate amethyst_ecs 0.1.1
[INFO] tweaked toml for crates.io crate amethyst_ecs 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f55259b490494f3e7d8ad1e39573faada6139094bda37f8a9fa49e282893f520
[INFO] running `Command { std: "docker" "start" "-a" "f55259b490494f3e7d8ad1e39573faada6139094bda37f8a9fa49e282893f520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f55259b490494f3e7d8ad1e39573faada6139094bda37f8a9fa49e282893f520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f55259b490494f3e7d8ad1e39573faada6139094bda37f8a9fa49e282893f520", kill_on_drop: false }`
[INFO] [stdout] f55259b490494f3e7d8ad1e39573faada6139094bda37f8a9fa49e282893f520
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c744f4e4c5ff6cc9c0bbf8644ef2bf2d4240330daa60a8daca31001de4a01aaa
[INFO] running `Command { std: "docker" "start" "-a" "c744f4e4c5ff6cc9c0bbf8644ef2bf2d4240330daa60a8daca31001de4a01aaa", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "c744f4e4c5ff6cc9c0bbf8644ef2bf2d4240330daa60a8daca31001de4a01aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c744f4e4c5ff6cc9c0bbf8644ef2bf2d4240330daa60a8daca31001de4a01aaa", kill_on_drop: false }`
[INFO] [stdout] c744f4e4c5ff6cc9c0bbf8644ef2bf2d4240330daa60a8daca31001de4a01aaa