[INFO] fetching crate transient-btree-index 0.5.1...
[INFO] checking transient-btree-index-0.5.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate transient-btree-index 0.5.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate transient-btree-index 0.5.1 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 transient-btree-index 0.5.1
[INFO] finished tweaking crates.io crate transient-btree-index 0.5.1
[INFO] tweaked toml for crates.io crate transient-btree-index 0.5.1 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 94 packages
[INFO] [stderr]       Adding binary-layout v2.1.0 (latest: v4.0.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding criterion v0.3.6 (latest: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (latest: v0.5.0)
[INFO] [stderr]       Adding half v1.8.3 (latest: v2.4.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding memmap2 v0.5.10 (latest: v0.9.4)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded binary-layout v2.1.0
[INFO] [stderr]   Downloaded debug_tree v0.4.0
[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] df3b9c7dd5c1baf86520edf9ffa5e95f88bdfcecfc0a8874d18227ae805ea598
[INFO] running `Command { std: "docker" "start" "-a" "df3b9c7dd5c1baf86520edf9ffa5e95f88bdfcecfc0a8874d18227ae805ea598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df3b9c7dd5c1baf86520edf9ffa5e95f88bdfcecfc0a8874d18227ae805ea598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df3b9c7dd5c1baf86520edf9ffa5e95f88bdfcecfc0a8874d18227ae805ea598", kill_on_drop: false }`
[INFO] [stdout] df3b9c7dd5c1baf86520edf9ffa5e95f88bdfcecfc0a8874d18227ae805ea598
[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] 09edc4ba12cea1fca50da2183e046a5b89ac8b9804f80e066b05e3a2a78db414
[INFO] running `Command { std: "docker" "start" "-a" "09edc4ba12cea1fca50da2183e046a5b89ac8b9804f80e066b05e3a2a78db414", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking deunicode v1.4.3
[INFO] [stderr]     Checking debug_tree v0.4.0
[INFO] [stderr]     Checking fake v2.9.2
[INFO] [stderr]     Checking binary-layout v2.1.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking transient-btree-index v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `BtreeIndex` is imported redundantly
[INFO] [stdout]  --> src/btree/tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::BtreeIndex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `BtreeIndex` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.26s
[INFO] running `Command { std: "docker" "inspect" "09edc4ba12cea1fca50da2183e046a5b89ac8b9804f80e066b05e3a2a78db414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09edc4ba12cea1fca50da2183e046a5b89ac8b9804f80e066b05e3a2a78db414", kill_on_drop: false }`
[INFO] [stdout] 09edc4ba12cea1fca50da2183e046a5b89ac8b9804f80e066b05e3a2a78db414