[INFO] fetching crate unicode_extension 0.4.0...
[INFO] testing unicode_extension-0.4.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate unicode_extension 0.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate unicode_extension 0.4.0
[INFO] finished tweaking crates.io crate unicode_extension 0.4.0
[INFO] tweaked toml for crates.io crate unicode_extension 0.4.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate unicode_extension 0.4.0 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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a3539ae4d7e3e3577d9c4b07face08dae642582fcfaea510ad7697b796847871
[INFO] running `Command { std: "docker" "start" "-a" "a3539ae4d7e3e3577d9c4b07face08dae642582fcfaea510ad7697b796847871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3539ae4d7e3e3577d9c4b07face08dae642582fcfaea510ad7697b796847871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3539ae4d7e3e3577d9c4b07face08dae642582fcfaea510ad7697b796847871", kill_on_drop: false }`
[INFO] [stdout] a3539ae4d7e3e3577d9c4b07face08dae642582fcfaea510ad7697b796847871
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] aef5a8011417f32241992547c3f15e736623665201cadd57e9c1711b96e7cae2
[INFO] running `Command { std: "docker" "start" "-a" "aef5a8011417f32241992547c3f15e736623665201cadd57e9c1711b96e7cae2", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode_extension v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DerefMut` and `Deref`
[INFO] [stdout]  --> src/lib.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Deref, DerefMut};
[INFO] [stdout]   |                ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "aef5a8011417f32241992547c3f15e736623665201cadd57e9c1711b96e7cae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aef5a8011417f32241992547c3f15e736623665201cadd57e9c1711b96e7cae2", kill_on_drop: false }`
[INFO] [stdout] aef5a8011417f32241992547c3f15e736623665201cadd57e9c1711b96e7cae2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] dd9a9aeb1f6e180ae48a2afafa8f946cb16110e78bbfe0bccaf380f90d6ac50a
[INFO] running `Command { std: "docker" "start" "-a" "dd9a9aeb1f6e180ae48a2afafa8f946cb16110e78bbfe0bccaf380f90d6ac50a", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DerefMut` and `Deref`
[INFO] [stdout]  --> src/lib.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Deref, DerefMut};
[INFO] [stdout]   |                ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling unicode_extension v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DerefMut` and `Deref`
[INFO] [stdout]  --> src/lib.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Deref, DerefMut};
[INFO] [stdout]   |                ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "dd9a9aeb1f6e180ae48a2afafa8f946cb16110e78bbfe0bccaf380f90d6ac50a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd9a9aeb1f6e180ae48a2afafa8f946cb16110e78bbfe0bccaf380f90d6ac50a", kill_on_drop: false }`
[INFO] [stdout] dd9a9aeb1f6e180ae48a2afafa8f946cb16110e78bbfe0bccaf380f90d6ac50a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] da563c0c392d2a676385668aa77de2929809331ca7086c08824e7343b0e81b73
[INFO] running `Command { std: "docker" "start" "-a" "da563c0c392d2a676385668aa77de2929809331ca7086c08824e7343b0e81b73", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fmt::Display`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::Display;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DerefMut` and `Deref`
[INFO] [stderr]  --> src/lib.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ops::{Deref, DerefMut};
[INFO] [stderr]   |                ^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `unicode_extension` (lib) generated 2 warnings (run `cargo fix --lib -p unicode_extension` to apply 2 suggestions)
[INFO] [stderr] warning: `unicode_extension` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unicode_extension-73dd82f85c5a3e3b)
[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 unicode_extension
[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" "da563c0c392d2a676385668aa77de2929809331ca7086c08824e7343b0e81b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da563c0c392d2a676385668aa77de2929809331ca7086c08824e7343b0e81b73", kill_on_drop: false }`
[INFO] [stdout] da563c0c392d2a676385668aa77de2929809331ca7086c08824e7343b0e81b73