[INFO] fetching crate dantalian 0.4.5...
[INFO] checking dantalian-0.4.5 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate dantalian 0.4.5 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate dantalian 0.4.5 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 dantalian 0.4.5
[INFO] finished tweaking crates.io crate dantalian 0.4.5
[INFO] tweaked toml for crates.io crate dantalian 0.4.5 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate dantalian 0.4.5 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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.179
[INFO] [stderr]   Downloaded terminal_size v0.2.6
[INFO] [stderr]   Downloaded serde_repr v0.1.16
[INFO] [stderr]   Downloaded os_str_bytes v6.5.1
[INFO] [stderr]   Downloaded clap_derive v3.2.25
[INFO] [stderr]   Downloaded clap_complete v3.2.5
[INFO] [stderr]   Downloaded tempfile v3.7.0
[INFO] [stderr]   Downloaded serde_json v1.0.104
[INFO] [stderr]   Downloaded serde_derive v1.0.179
[INFO] [stderr]   Downloaded openssl-src v111.26.0+1.1.1u
[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] 176e6dab8257e6b20ac341f9a1a450a0c7dbd22f83f79f0ea9943a68ee85cacf
[INFO] running `Command { std: "docker" "start" "-a" "176e6dab8257e6b20ac341f9a1a450a0c7dbd22f83f79f0ea9943a68ee85cacf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "176e6dab8257e6b20ac341f9a1a450a0c7dbd22f83f79f0ea9943a68ee85cacf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "176e6dab8257e6b20ac341f9a1a450a0c7dbd22f83f79f0ea9943a68ee85cacf", kill_on_drop: false }`
[INFO] [stdout] 176e6dab8257e6b20ac341f9a1a450a0c7dbd22f83f79f0ea9943a68ee85cacf
[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] ebe5ad56ba1d70b8e52bad1e4eb2a985028bd8f5d9be2e578c93ec8bb14f2f97
[INFO] running `Command { std: "docker" "start" "-a" "ebe5ad56ba1d70b8e52bad1e4eb2a985028bd8f5d9be2e578c93ec8bb14f2f97", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling openssl-sys v0.9.90
[INFO] [stderr]     Checking lock_api v0.4.10
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling serde v1.0.179
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling openssl v0.10.55
[INFO] [stderr]    Compiling os_str_bytes v6.5.1
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.179
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking regex-automata v0.3.4
[INFO] [stderr]    Compiling terminal_size v0.2.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_repr v0.1.16
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling clap_complete v3.2.5
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling dantalian v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stdout] warning: the item `debug` is imported redundantly
[INFO] [stdout]   --> src/nfogen/generator.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  |   use crate::debug;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/logger.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | / macro_rules! debug {
[INFO] [stdout] 68 | |     (ind: $ind:expr, $($arg:tt)+) => {
[INFO] [stdout] 69 | |         log::debug!("{}{}", $crate::logger::indent($ind), format!($($arg)+))
[INFO] [stdout] 70 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 73 | |     }
[INFO] [stdout] 74 | | }
[INFO] [stdout]    | |_- the item `debug` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `debug` is imported redundantly
[INFO] [stdout]   --> src/nfogen/generator.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  |   use crate::debug;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/logger.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | / macro_rules! debug {
[INFO] [stdout] 68 | |     (ind: $ind:expr, $($arg:tt)+) => {
[INFO] [stdout] 69 | |         log::debug!("{}{}", $crate::logger::indent($ind), format!($($arg)+))
[INFO] [stdout] 70 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 73 | |     }
[INFO] [stdout] 74 | | }
[INFO] [stdout]    | |_- the item `debug` is already defined 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] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined 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 16.16s
[INFO] running `Command { std: "docker" "inspect" "ebe5ad56ba1d70b8e52bad1e4eb2a985028bd8f5d9be2e578c93ec8bb14f2f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebe5ad56ba1d70b8e52bad1e4eb2a985028bd8f5d9be2e578c93ec8bb14f2f97", kill_on_drop: false }`
[INFO] [stdout] ebe5ad56ba1d70b8e52bad1e4eb2a985028bd8f5d9be2e578c93ec8bb14f2f97