[INFO] fetching crate rational_extensions 0.4.1...
[INFO] checking rational_extensions-0.4.1 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate rational_extensions 0.4.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate rational_extensions 0.4.1 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 rational_extensions 0.4.1
[INFO] finished tweaking crates.io crate rational_extensions 0.4.1
[INFO] tweaked toml for crates.io crate rational_extensions 0.4.1 written to /workspace/builds/worker-7-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2db1657e6418daf56068448517b1357d6da387026b866a7c9ce6ada545442f29
[INFO] running `Command { std: "docker" "start" "-a" "2db1657e6418daf56068448517b1357d6da387026b866a7c9ce6ada545442f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2db1657e6418daf56068448517b1357d6da387026b866a7c9ce6ada545442f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2db1657e6418daf56068448517b1357d6da387026b866a7c9ce6ada545442f29", kill_on_drop: false }`
[INFO] [stdout] 2db1657e6418daf56068448517b1357d6da387026b866a7c9ce6ada545442f29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2324e7bbc6bdbc3e08ef5960555a5e326b6683267931ccf6c3e756fe8f0a9a05
[INFO] running `Command { std: "docker" "start" "-a" "2324e7bbc6bdbc3e08ef5960555a5e326b6683267931ccf6c3e756fe8f0a9a05", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rational_extensions v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.78s
[INFO] running `Command { std: "docker" "inspect" "2324e7bbc6bdbc3e08ef5960555a5e326b6683267931ccf6c3e756fe8f0a9a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2324e7bbc6bdbc3e08ef5960555a5e326b6683267931ccf6c3e756fe8f0a9a05", kill_on_drop: false }`
[INFO] [stdout] 2324e7bbc6bdbc3e08ef5960555a5e326b6683267931ccf6c3e756fe8f0a9a05
[INFO] checking rational_extensions-0.4.1 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate rational_extensions 0.4.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate rational_extensions 0.4.1 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 rational_extensions 0.4.1
[INFO] finished tweaking crates.io crate rational_extensions 0.4.1
[INFO] tweaked toml for crates.io crate rational_extensions 0.4.1 written to /workspace/builds/worker-7-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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 90af24ef7ea03371201a907a395886015e3e0c9999d3c4c7b357492d47768427
[INFO] running `Command { std: "docker" "start" "-a" "90af24ef7ea03371201a907a395886015e3e0c9999d3c4c7b357492d47768427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90af24ef7ea03371201a907a395886015e3e0c9999d3c4c7b357492d47768427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90af24ef7ea03371201a907a395886015e3e0c9999d3c4c7b357492d47768427", kill_on_drop: false }`
[INFO] [stdout] 90af24ef7ea03371201a907a395886015e3e0c9999d3c4c7b357492d47768427
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8bb9969e52c8f0beffc5b450d95bd5d2daec75d0041d2f81a704eb91ab8a28b5
[INFO] running `Command { std: "docker" "start" "-a" "8bb9969e52c8f0beffc5b450d95bd5d2daec75d0041d2f81a704eb91ab8a28b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rational_extensions v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stdout] error: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/lib.rs:320:34
[INFO] [stdout]     |
[INFO] [stdout] 320 |         let frac_val = &frac_str[frac_str.get(..1).map_or(0, neg_sign)..];
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:10:5
[INFO] [stdout]     |
[INFO] [stdout] 10  |     warnings,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(range_syntax)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rational_extensions` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8bb9969e52c8f0beffc5b450d95bd5d2daec75d0041d2f81a704eb91ab8a28b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bb9969e52c8f0beffc5b450d95bd5d2daec75d0041d2f81a704eb91ab8a28b5", kill_on_drop: false }`
[INFO] [stdout] 8bb9969e52c8f0beffc5b450d95bd5d2daec75d0041d2f81a704eb91ab8a28b5
