[INFO] fetching crate cargo_atelier 0.2.7...
[INFO] checking cargo_atelier-0.2.7 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate cargo_atelier 0.2.7 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate cargo_atelier 0.2.7 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 cargo_atelier 0.2.7
[INFO] finished tweaking crates.io crate cargo_atelier 0.2.7
[INFO] tweaked toml for crates.io crate cargo_atelier 0.2.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo_atelier 0.2.7 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 structopt v0.3.22
[INFO] [stderr]   Downloaded rustc-demangle v0.1.20
[INFO] [stderr]   Downloaded backtrace v0.3.60
[INFO] [stderr]   Downloaded addr2line v0.15.2
[INFO] [stderr]   Downloaded object v0.25.3
[INFO] [stderr]   Downloaded structopt-derive v0.4.15
[INFO] [stderr]   Downloaded ctor v0.1.20
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded gimli v0.24.0
[INFO] [stderr]   Downloaded pretty_assertions v0.7.2
[INFO] [stderr]   Downloaded atelier_test v0.1.4
[INFO] [stderr]   Downloaded atelier_assembler v0.1.4
[INFO] [stderr]   Downloaded atelier_json v0.2.7
[INFO] [stderr]   Downloaded atelier_core v0.1.4
[INFO] [stderr]   Downloaded atelier_openapi v0.1.0
[INFO] [stderr]   Downloaded atelier_core v0.2.22
[INFO] [stderr]   Downloaded ascii_tree v0.1.1
[INFO] [stderr]   Downloaded escape_string v0.1.1
[INFO] [stderr]   Downloaded atelier_smithy v0.2.13
[INFO] [stderr]   Downloaded atelier_lib v0.2.5
[INFO] [stderr]   Downloaded somedoc v0.2.10
[INFO] [stderr]   Downloaded pest_ascii_tree v0.1.0
[INFO] [stderr]   Downloaded blob-uuid v0.4.0
[INFO] [stderr]   Downloaded atelier_describe v0.1.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b71bddb5388663de7d32327f95a56ddb30f73d7b79d250c61e2a191abfdfe171
[INFO] running `Command { std: "docker" "start" "-a" "b71bddb5388663de7d32327f95a56ddb30f73d7b79d250c61e2a191abfdfe171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b71bddb5388663de7d32327f95a56ddb30f73d7b79d250c61e2a191abfdfe171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b71bddb5388663de7d32327f95a56ddb30f73d7b79d250c61e2a191abfdfe171", kill_on_drop: false }`
[INFO] [stdout] b71bddb5388663de7d32327f95a56ddb30f73d7b79d250c61e2a191abfdfe171
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 542e3d09003af3cba2da0ebef6b6525e02d5bc55e2a555065ab2bf325e685236
[INFO] running `Command { std: "docker" "start" "-a" "542e3d09003af3cba2da0ebef6b6525e02d5bc55e2a555065ab2bf325e685236", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking escape_string v0.1.1
[INFO] [stderr]     Checking ascii_tree v0.1.1
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking blob-uuid v0.4.0
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking atelier_core v0.2.22
[INFO] [stderr]     Checking atelier_core v0.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]     Checking atelier_openapi v0.1.0
[INFO] [stderr]     Checking atelier_test v0.1.4
[INFO] [stderr]     Checking pest_ascii_tree v0.1.0
[INFO] [stderr]     Checking atelier_smithy v0.2.13
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking atelier_json v0.2.7
[INFO] [stderr]     Checking somedoc v0.2.10
[INFO] [stderr]     Checking atelier_assembler v0.1.4
[INFO] [stderr]     Checking atelier_describe v0.1.10
[INFO] [stderr]     Checking atelier_lib v0.2.5
[INFO] [stderr]     Checking cargo_atelier v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `verbose` is never read
[INFO] [stdout]   --> src/command_line.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct CommandLine {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     verbose: i8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CommandLine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `verbose` is never read
[INFO] [stdout]   --> src/command_line.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct CommandLine {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     verbose: i8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CommandLine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 11.81s
[INFO] running `Command { std: "docker" "inspect" "542e3d09003af3cba2da0ebef6b6525e02d5bc55e2a555065ab2bf325e685236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "542e3d09003af3cba2da0ebef6b6525e02d5bc55e2a555065ab2bf325e685236", kill_on_drop: false }`
[INFO] [stdout] 542e3d09003af3cba2da0ebef6b6525e02d5bc55e2a555065ab2bf325e685236