[INFO] fetching crate ulang 0.1.0...
[INFO] testing ulang-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate ulang 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate ulang 0.1.0
[INFO] finished tweaking crates.io crate ulang 0.1.0
[INFO] tweaked toml for crates.io crate ulang 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ulang 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 181e62312abdf0d554394bee4c11e7c06387cb65775fc55db0be8913db97e59c
[INFO] running `Command { std: "docker" "start" "-a" "181e62312abdf0d554394bee4c11e7c06387cb65775fc55db0be8913db97e59c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "181e62312abdf0d554394bee4c11e7c06387cb65775fc55db0be8913db97e59c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "181e62312abdf0d554394bee4c11e7c06387cb65775fc55db0be8913db97e59c", kill_on_drop: false }`
[INFO] [stdout] 181e62312abdf0d554394bee4c11e7c06387cb65775fc55db0be8913db97e59c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed7bbada589658a520a0c91c48d7234b525a07de180e58d8fb6c58b509f79531
[INFO] running `Command { std: "docker" "start" "-a" "ed7bbada589658a520a0c91c48d7234b525a07de180e58d8fb6c58b509f79531", kill_on_drop: false }`
[INFO] [stderr]    Compiling ulang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `serde::Deserialize`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::Deserialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Any` and `TypeId`
[INFO] [stdout]  --> src/lib.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::any::{Any, TypeId};
[INFO] [stdout]   |                ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "ed7bbada589658a520a0c91c48d7234b525a07de180e58d8fb6c58b509f79531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed7bbada589658a520a0c91c48d7234b525a07de180e58d8fb6c58b509f79531", kill_on_drop: false }`
[INFO] [stdout] ed7bbada589658a520a0c91c48d7234b525a07de180e58d8fb6c58b509f79531
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c438e74721b92a80d10415f3ad2c8cd3edf2aac8faa4eb744c7791c46672048c
[INFO] running `Command { std: "docker" "start" "-a" "c438e74721b92a80d10415f3ad2c8cd3edf2aac8faa4eb744c7791c46672048c", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `serde::Deserialize`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::Deserialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Any` and `TypeId`
[INFO] [stdout]  --> src/lib.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::any::{Any, TypeId};
[INFO] [stdout]   |                ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ulang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `serde::Deserialize`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::Deserialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Any` and `TypeId`
[INFO] [stdout]  --> src/lib.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::any::{Any, TypeId};
[INFO] [stdout]   |                ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "c438e74721b92a80d10415f3ad2c8cd3edf2aac8faa4eb744c7791c46672048c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c438e74721b92a80d10415f3ad2c8cd3edf2aac8faa4eb744c7791c46672048c", kill_on_drop: false }`
[INFO] [stdout] c438e74721b92a80d10415f3ad2c8cd3edf2aac8faa4eb744c7791c46672048c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff3aa43a7a7955f00024420b5de3d85bf35dec4de8cdc366f2f79f7fd28deb2e
[INFO] running `Command { std: "docker" "start" "-a" "ff3aa43a7a7955f00024420b5de3d85bf35dec4de8cdc366f2f79f7fd28deb2e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `serde::Deserialize`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serde::Deserialize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Any` and `TypeId`
[INFO] [stderr]  --> src/lib.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::any::{Any, TypeId};
[INFO] [stderr]   |                ^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ulang` (lib) generated 2 warnings (run `cargo fix --lib -p ulang` to apply 2 suggestions)
[INFO] [stderr] warning: `ulang` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ulang-8ed8983f5d40376d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ulang
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff3aa43a7a7955f00024420b5de3d85bf35dec4de8cdc366f2f79f7fd28deb2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff3aa43a7a7955f00024420b5de3d85bf35dec4de8cdc366f2f79f7fd28deb2e", kill_on_drop: false }`
[INFO] [stdout] ff3aa43a7a7955f00024420b5de3d85bf35dec4de8cdc366f2f79f7fd28deb2e