[INFO] fetching crate nanoid_cli 1.0.0...
[INFO] checking nanoid_cli-1.0.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate nanoid_cli 1.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate nanoid_cli 1.0.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nanoid_cli 1.0.0
[INFO] finished tweaking crates.io crate nanoid_cli 1.0.0
[INFO] tweaked toml for crates.io crate nanoid_cli 1.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate nanoid_cli 1.0.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded easy-error v1.0.0
[INFO] [stderr]   Downloaded nanoid v0.4.0
[INFO] [stderr]   Downloaded clap v4.4.2
[INFO] [stderr]   Downloaded serde_json v1.0.106
[INFO] [stderr]   Downloaded syn v2.0.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91cf862f53d9b489a444af0926d1aa1a01f65b6323c64dc17d5775d7cf1aac10
[INFO] running `Command { std: "docker" "start" "-a" "91cf862f53d9b489a444af0926d1aa1a01f65b6323c64dc17d5775d7cf1aac10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91cf862f53d9b489a444af0926d1aa1a01f65b6323c64dc17d5775d7cf1aac10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91cf862f53d9b489a444af0926d1aa1a01f65b6323c64dc17d5775d7cf1aac10", kill_on_drop: false }`
[INFO] [stdout] 91cf862f53d9b489a444af0926d1aa1a01f65b6323c64dc17d5775d7cf1aac10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97826db3ca84ea0bfc19af467febf5ce65feceb74ef40ca6fd34104bde20f52e
[INFO] running `Command { std: "docker" "start" "-a" "97826db3ca84ea0bfc19af467febf5ce65feceb74ef40ca6fd34104bde20f52e", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling serde_json v1.0.106
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]     Checking easy-error v1.0.0
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap_builder v4.4.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking nanoid v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
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[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking clap v4.4.2
[INFO] [stderr]     Checking nanoid_cli v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `nanoid` is imported redundantly
[INFO] [stdout]  --> src/alphabet.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nanoid;
[INFO] [stdout]   |     ^^^^^^ the item `nanoid` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `easy_error` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use easy_error::{self, ResultExt};
[INFO] [stdout]   |                  ^^^^ the item `easy_error` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `nanoid` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use nanoid;
[INFO] [stdout]   |     ^^^^^^ the item `nanoid` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: the item `nanoid` is imported redundantly
[INFO] [stdout]  --> src/alphabet.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nanoid;
[INFO] [stdout]   |     ^^^^^^ the item `nanoid` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `easy_error` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use easy_error::{self, ResultExt};
[INFO] [stdout]   |                  ^^^^ the item `easy_error` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `nanoid` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use nanoid;
[INFO] [stdout]   |     ^^^^^^ the item `nanoid` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.08s
[INFO] running `Command { std: "docker" "inspect" "97826db3ca84ea0bfc19af467febf5ce65feceb74ef40ca6fd34104bde20f52e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97826db3ca84ea0bfc19af467febf5ce65feceb74ef40ca6fd34104bde20f52e", kill_on_drop: false }`
[INFO] [stdout] 97826db3ca84ea0bfc19af467febf5ce65feceb74ef40ca6fd34104bde20f52e