[INFO] fetching crate avltree 0.1.0...
[INFO] checking avltree-0.1.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate avltree 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate avltree 0.1.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate avltree 0.1.0
[INFO] finished tweaking crates.io crate avltree 0.1.0
[INFO] tweaked toml for crates.io crate avltree 0.1.0 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "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" "+b0696a5160711c068cb1f01b7437db7990d15750" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af72e1039639190bef7ce031f740070f7499cde660aca6da4b194df3c00cec5c
[INFO] running `Command { std: "docker" "start" "-a" "af72e1039639190bef7ce031f740070f7499cde660aca6da4b194df3c00cec5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af72e1039639190bef7ce031f740070f7499cde660aca6da4b194df3c00cec5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af72e1039639190bef7ce031f740070f7499cde660aca6da4b194df3c00cec5c", kill_on_drop: false }`
[INFO] [stdout] af72e1039639190bef7ce031f740070f7499cde660aca6da4b194df3c00cec5c
[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=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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4fad45ab6c340288c91cf1c9f171e7a1ede9f75d1492500df4de57fe8b4dd8f
[INFO] running `Command { std: "docker" "start" "-a" "e4fad45ab6c340288c91cf1c9f171e7a1ede9f75d1492500df4de57fe8b4dd8f", kill_on_drop: false }`
[INFO] [stderr]     Checking avltree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:396:9
[INFO] [stdout]     |
[INFO] [stdout] 395 |     use super::*;
[INFO] [stdout]     |         -------- the item `rand` is already imported here
[INFO] [stdout] 396 |     use rand;
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "e4fad45ab6c340288c91cf1c9f171e7a1ede9f75d1492500df4de57fe8b4dd8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4fad45ab6c340288c91cf1c9f171e7a1ede9f75d1492500df4de57fe8b4dd8f", kill_on_drop: false }`
[INFO] [stdout] e4fad45ab6c340288c91cf1c9f171e7a1ede9f75d1492500df4de57fe8b4dd8f
[INFO] checking avltree-0.1.0 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate avltree 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate avltree 0.1.0 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate avltree 0.1.0
[INFO] finished tweaking crates.io crate avltree 0.1.0
[INFO] tweaked toml for crates.io crate avltree 0.1.0 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ffd1b572bb7b13db86de681b6f961b21a82bb9bf88731eb8ee08cfb2d1149f7
[INFO] running `Command { std: "docker" "start" "-a" "7ffd1b572bb7b13db86de681b6f961b21a82bb9bf88731eb8ee08cfb2d1149f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ffd1b572bb7b13db86de681b6f961b21a82bb9bf88731eb8ee08cfb2d1149f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ffd1b572bb7b13db86de681b6f961b21a82bb9bf88731eb8ee08cfb2d1149f7", kill_on_drop: false }`
[INFO] [stdout] 7ffd1b572bb7b13db86de681b6f961b21a82bb9bf88731eb8ee08cfb2d1149f7
[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=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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f709791c1fbda3ab33e3bb2b2e0f7db0f2be370928e01abf49c7d4f7c3f0d222
[INFO] running `Command { std: "docker" "start" "-a" "f709791c1fbda3ab33e3bb2b2e0f7db0f2be370928e01abf49c7d4f7c3f0d222", kill_on_drop: false }`
[INFO] [stderr]     Checking avltree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:396:9
[INFO] [stdout]     |
[INFO] [stdout] 395 |     use super::*;
[INFO] [stdout]     |         -------- the item `rand` is already imported here
[INFO] [stdout] 396 |     use rand;
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "f709791c1fbda3ab33e3bb2b2e0f7db0f2be370928e01abf49c7d4f7c3f0d222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f709791c1fbda3ab33e3bb2b2e0f7db0f2be370928e01abf49c7d4f7c3f0d222", kill_on_drop: false }`
[INFO] [stdout] f709791c1fbda3ab33e3bb2b2e0f7db0f2be370928e01abf49c7d4f7c3f0d222
