[INFO] fetching crate dptree 0.3.0...
[INFO] checking dptree-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate dptree 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate dptree 0.3.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dptree 0.3.0
[INFO] finished tweaking crates.io crate dptree 0.3.0
[INFO] tweaked toml for crates.io crate dptree 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate dptree 0.3.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v1.12.1
[INFO] [stderr]   Downloaded tokio v1.19.2
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbb9d28a1d250df96875b7756fcea3f8b1d2e24da293c15783741fe43dce011b
[INFO] running `Command { std: "docker" "start" "-a" "fbb9d28a1d250df96875b7756fcea3f8b1d2e24da293c15783741fe43dce011b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbb9d28a1d250df96875b7756fcea3f8b1d2e24da293c15783741fe43dce011b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbb9d28a1d250df96875b7756fcea3f8b1d2e24da293c15783741fe43dce011b", kill_on_drop: false }`
[INFO] [stdout] fbb9d28a1d250df96875b7756fcea3f8b1d2e24da293c15783741fe43dce011b
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5d2c605e4ad9bff6138e0fd10066bb258f4c479dee2dcb5ae53e046f8b41ca3
[INFO] running `Command { std: "docker" "start" "-a" "a5d2c605e4ad9bff6138e0fd10066bb258f4c479dee2dcb5ae53e046f8b41ca3", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking once_cell v1.12.1
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking dptree v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stdout] warning: the item `ControlFlow` is imported redundantly
[INFO] [stdout]  --> examples/state_machine.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ops::ControlFlow,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 | use dptree::prelude::*;
[INFO] [stdout]   |     ------------------ the item `ControlFlow` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ControlFlow` is imported redundantly
[INFO] [stdout]   --> examples/simple_dispatcher.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     ops::ControlFlow,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 | use dptree::prelude::*;
[INFO] [stdout]    |     ------------------ the item `ControlFlow` is already imported here
[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: the item `description` is imported redundantly
[INFO] [stdout]    --> src/handler/core.rs:284:15
[INFO] [stdout]     |
[INFO] [stdout] 284 |         deps, description, filter_map, filter_map_with_description,
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 289 |     use super::*;
[INFO] [stdout]     |         -------- the item `description` is already imported here
[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 7.45s
[INFO] running `Command { std: "docker" "inspect" "a5d2c605e4ad9bff6138e0fd10066bb258f4c479dee2dcb5ae53e046f8b41ca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d2c605e4ad9bff6138e0fd10066bb258f4c479dee2dcb5ae53e046f8b41ca3", kill_on_drop: false }`
[INFO] [stdout] a5d2c605e4ad9bff6138e0fd10066bb258f4c479dee2dcb5ae53e046f8b41ca3
[INFO] checking dptree-0.3.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate dptree 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate dptree 0.3.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dptree 0.3.0
[INFO] finished tweaking crates.io crate dptree 0.3.0
[INFO] tweaked toml for crates.io crate dptree 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate dptree 0.3.0 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b9060f1b1aa0ef317b57d43da114a9024ed13d6df1a018c4f4d4689ea70e492
[INFO] running `Command { std: "docker" "start" "-a" "4b9060f1b1aa0ef317b57d43da114a9024ed13d6df1a018c4f4d4689ea70e492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b9060f1b1aa0ef317b57d43da114a9024ed13d6df1a018c4f4d4689ea70e492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b9060f1b1aa0ef317b57d43da114a9024ed13d6df1a018c4f4d4689ea70e492", kill_on_drop: false }`
[INFO] [stdout] 4b9060f1b1aa0ef317b57d43da114a9024ed13d6df1a018c4f4d4689ea70e492
[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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea1fa9ee994be51e43637947d6976b646857584bb59bc4b2798cd66cb58b3d25
[INFO] running `Command { std: "docker" "start" "-a" "ea1fa9ee994be51e43637947d6976b646857584bb59bc4b2798cd66cb58b3d25", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking once_cell v1.12.1
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking dptree v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stdout] warning: the item `ControlFlow` is imported redundantly
[INFO] [stdout]   --> examples/simple_dispatcher.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     ops::ControlFlow,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 | use dptree::prelude::*;
[INFO] [stdout]    |     ------------------ the item `ControlFlow` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ControlFlow` is imported redundantly
[INFO] [stdout]  --> examples/state_machine.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ops::ControlFlow,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 | use dptree::prelude::*;
[INFO] [stdout]   |     ------------------ the item `ControlFlow` is already imported here
[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: the item `description` is imported redundantly
[INFO] [stdout]    --> src/handler/core.rs:284:15
[INFO] [stdout]     |
[INFO] [stdout] 284 |         deps, description, filter_map, filter_map_with_description,
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 289 |     use super::*;
[INFO] [stdout]     |         -------- the item `description` is already imported here
[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 7.25s
[INFO] running `Command { std: "docker" "inspect" "ea1fa9ee994be51e43637947d6976b646857584bb59bc4b2798cd66cb58b3d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea1fa9ee994be51e43637947d6976b646857584bb59bc4b2798cd66cb58b3d25", kill_on_drop: false }`
[INFO] [stdout] ea1fa9ee994be51e43637947d6976b646857584bb59bc4b2798cd66cb58b3d25