[INFO] fetching crate flat-tree 6.0.0...
[INFO] checking flat-tree-6.0.0 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate flat-tree 6.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate flat-tree 6.0.0 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 flat-tree 6.0.0
[INFO] finished tweaking crates.io crate flat-tree 6.0.0
[INFO] tweaked toml for crates.io crate flat-tree 6.0.0 written to /workspace/builds/worker-2-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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] eab40c9d14cc6de7a6bec11c3d512df80e2c5bed53ffe53a62a8457005aec044
[INFO] running `Command { std: "docker" "start" "-a" "eab40c9d14cc6de7a6bec11c3d512df80e2c5bed53ffe53a62a8457005aec044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eab40c9d14cc6de7a6bec11c3d512df80e2c5bed53ffe53a62a8457005aec044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eab40c9d14cc6de7a6bec11c3d512df80e2c5bed53ffe53a62a8457005aec044", kill_on_drop: false }`
[INFO] [stdout] eab40c9d14cc6de7a6bec11c3d512df80e2c5bed53ffe53a62a8457005aec044
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4e2c5662bbf55ef15c68384e5c582f5609e79afbdd539fdfa1a2d65a47afa8d2
[INFO] running `Command { std: "docker" "start" "-a" "4e2c5662bbf55ef15c68384e5c582f5609e79afbdd539fdfa1a2d65a47afa8d2", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking flat-tree v6.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.32s
[INFO] running `Command { std: "docker" "inspect" "4e2c5662bbf55ef15c68384e5c582f5609e79afbdd539fdfa1a2d65a47afa8d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e2c5662bbf55ef15c68384e5c582f5609e79afbdd539fdfa1a2d65a47afa8d2", kill_on_drop: false }`
[INFO] [stdout] 4e2c5662bbf55ef15c68384e5c582f5609e79afbdd539fdfa1a2d65a47afa8d2
[INFO] checking flat-tree-6.0.0 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate flat-tree 6.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate flat-tree 6.0.0 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 flat-tree 6.0.0
[INFO] finished tweaking crates.io crate flat-tree 6.0.0
[INFO] tweaked toml for crates.io crate flat-tree 6.0.0 written to /workspace/builds/worker-2-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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0f17c5dc7e3ead7c76c7a49d64c5e99b14e9c3cc9065bb69ca6db739640837e5
[INFO] running `Command { std: "docker" "start" "-a" "0f17c5dc7e3ead7c76c7a49d64c5e99b14e9c3cc9065bb69ca6db739640837e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f17c5dc7e3ead7c76c7a49d64c5e99b14e9c3cc9065bb69ca6db739640837e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f17c5dc7e3ead7c76c7a49d64c5e99b14e9c3cc9065bb69ca6db739640837e5", kill_on_drop: false }`
[INFO] [stdout] 0f17c5dc7e3ead7c76c7a49d64c5e99b14e9c3cc9065bb69ca6db739640837e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0d14c480d9d47e6b4c94c1adb3f449816086b621b4b2c556fcc02aae3947c1ab
[INFO] running `Command { std: "docker" "start" "-a" "0d14c480d9d47e6b4c94c1adb3f449816086b621b4b2c556fcc02aae3947c1ab", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking flat-tree v6.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:421:14
[INFO] [stdout]     |
[INFO] [stdout] 421 |     for _ in 0..50 {
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:24
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(range_syntax)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:425:14
[INFO] [stdout]     |
[INFO] [stdout] 425 |     for _ in 0..50 {
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flat-tree` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "0d14c480d9d47e6b4c94c1adb3f449816086b621b4b2c556fcc02aae3947c1ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d14c480d9d47e6b4c94c1adb3f449816086b621b4b2c556fcc02aae3947c1ab", kill_on_drop: false }`
[INFO] [stdout] 0d14c480d9d47e6b4c94c1adb3f449816086b621b4b2c556fcc02aae3947c1ab
