[INFO] fetching crate algotrees 0.2.0...
[INFO] checking algotrees-0.2.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate algotrees 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate algotrees 0.2.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate algotrees 0.2.0
[INFO] finished tweaking crates.io crate algotrees 0.2.0
[INFO] tweaked toml for crates.io crate algotrees 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate algotrees 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43d5aba20a2ff1a7ed31144eb32d2408d2faf3845355f40b57ea80599c92e6f5
[INFO] running `Command { std: "docker" "start" "-a" "43d5aba20a2ff1a7ed31144eb32d2408d2faf3845355f40b57ea80599c92e6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43d5aba20a2ff1a7ed31144eb32d2408d2faf3845355f40b57ea80599c92e6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d5aba20a2ff1a7ed31144eb32d2408d2faf3845355f40b57ea80599c92e6f5", kill_on_drop: false }`
[INFO] [stdout] 43d5aba20a2ff1a7ed31144eb32d2408d2faf3845355f40b57ea80599c92e6f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b68415ee200e4cbc1ae8b11c86d66010a04755932c485f68742c8718060ebf0
[INFO] running `Command { std: "docker" "start" "-a" "2b68415ee200e4cbc1ae8b11c86d66010a04755932c485f68742c8718060ebf0", kill_on_drop: false }`
[INFO] [stderr]     Checking algotrees v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::trees::types::Tree`
[INFO] [stdout]  --> src/trees/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use crate::trees::types::Tree;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::trees::types::Tree`
[INFO] [stdout]  --> src/trees/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use crate::trees::types::Tree;
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "2b68415ee200e4cbc1ae8b11c86d66010a04755932c485f68742c8718060ebf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b68415ee200e4cbc1ae8b11c86d66010a04755932c485f68742c8718060ebf0", kill_on_drop: false }`
[INFO] [stdout] 2b68415ee200e4cbc1ae8b11c86d66010a04755932c485f68742c8718060ebf0
[INFO] checking algotrees-0.2.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate algotrees 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate algotrees 0.2.0 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate algotrees 0.2.0
[INFO] finished tweaking crates.io crate algotrees 0.2.0
[INFO] tweaked toml for crates.io crate algotrees 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate algotrees 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e016faee83c0ab5a15fee5b333628ded86f8041efd2a4e77c3d6477ce660e8d1
[INFO] running `Command { std: "docker" "start" "-a" "e016faee83c0ab5a15fee5b333628ded86f8041efd2a4e77c3d6477ce660e8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e016faee83c0ab5a15fee5b333628ded86f8041efd2a4e77c3d6477ce660e8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e016faee83c0ab5a15fee5b333628ded86f8041efd2a4e77c3d6477ce660e8d1", kill_on_drop: false }`
[INFO] [stdout] e016faee83c0ab5a15fee5b333628ded86f8041efd2a4e77c3d6477ce660e8d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15d28e26a5268a6b6e4f658e708d65b7f36a8bce818b4e5936b1404af4d63575
[INFO] running `Command { std: "docker" "start" "-a" "15d28e26a5268a6b6e4f658e708d65b7f36a8bce818b4e5936b1404af4d63575", kill_on_drop: false }`
[INFO] [stderr]     Checking algotrees v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::trees::types::Tree`
[INFO] [stdout]  --> src/trees/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use crate::trees::types::Tree;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::trees::types::Tree`
[INFO] [stdout]  --> src/trees/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use crate::trees::types::Tree;
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "15d28e26a5268a6b6e4f658e708d65b7f36a8bce818b4e5936b1404af4d63575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d28e26a5268a6b6e4f658e708d65b7f36a8bce818b4e5936b1404af4d63575", kill_on_drop: false }`
[INFO] [stdout] 15d28e26a5268a6b6e4f658e708d65b7f36a8bce818b4e5936b1404af4d63575