[INFO] fetching crate quick_atom 0.1.0...
[INFO] checking quick_atom-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate quick_atom 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate quick_atom 0.1.0 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 quick_atom 0.1.0
[INFO] finished tweaking crates.io crate quick_atom 0.1.0
[INFO] tweaked toml for crates.io crate quick_atom 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 58 packages
[INFO] [stderr]       Adding atom_syndication v0.5.8 (latest: v0.12.2)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding derive_builder v0.5.1 (latest: v0.20.0)
[INFO] [stderr]       Adding derive_builder_core v0.2.0 (latest: v0.20.0)
[INFO] [stderr]       Adding encoding_rs v0.7.2 (latest: v0.8.33)
[INFO] [stderr]       Adding error-chain v0.11.0 (latest: v0.12.4)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding quick-xml v0.10.1 (latest: v0.31.0)
[INFO] [stderr]       Adding quote v0.3.15 (latest: v1.0.35)
[INFO] [stderr]       Adding syn v0.11.11 (latest: v2.0.58)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding unicode-xid v0.0.4 (latest: v0.2.4)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[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 failure_derive v0.1.8
[INFO] [stderr]   Downloaded addr2line v0.21.0
[INFO] [stderr]   Downloaded synstructure v0.12.6
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.92
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded unicode-xid v0.2.4
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.92
[INFO] [stderr]   Downloaded unicode-xid v0.0.4
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]   Downloaded windows-targets v0.52.4
[INFO] [stderr]   Downloaded object v0.32.2
[INFO] [stderr]   Downloaded rustc-demangle v0.1.23
[INFO] [stderr]   Downloaded synom v0.11.3
[INFO] [stderr]   Downloaded windows_i686_gnu v0.52.4
[INFO] [stderr]   Downloaded syn v0.11.11
[INFO] [stderr]   Downloaded derive_builder_core v0.2.0
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.52.4
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.52.4
[INFO] [stderr]   Downloaded android-tzdata v0.1.1
[INFO] [stderr]   Downloaded windows_i686_msvc v0.52.4
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.52.4
[INFO] [stderr]   Downloaded encoding_rs v0.7.2
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.52.4
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.52.4
[INFO] [stderr]   Downloaded gimli v0.28.1
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded derive_builder v0.5.1
[INFO] [stderr]   Downloaded quick-xml v0.10.1
[INFO] [stderr]   Downloaded android_system_properties v0.1.5
[INFO] [stderr]   Downloaded windows-core v0.52.0
[INFO] [stderr]   Downloaded iana-time-zone v0.1.60
[INFO] [stderr]   Downloaded js-sys v0.3.69
[INFO] [stderr]   Downloaded bumpalo v3.15.4
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.92
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.92
[INFO] [stderr]   Downloaded chrono v0.4.37
[INFO] [stderr]   Downloaded atom_syndication v0.5.8
[INFO] [stderr]   Downloaded error-chain v0.11.0
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.6
[INFO] [stderr]   Downloaded iana-time-zone-haiku v0.1.2
[INFO] [stderr]   Downloaded backtrace v0.3.71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d38e642e82a70e6bcbb75096e65a6985300a72ee3ba7a4c403ad05c199606e41
[INFO] running `Command { std: "docker" "start" "-a" "d38e642e82a70e6bcbb75096e65a6985300a72ee3ba7a4c403ad05c199606e41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d38e642e82a70e6bcbb75096e65a6985300a72ee3ba7a4c403ad05c199606e41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d38e642e82a70e6bcbb75096e65a6985300a72ee3ba7a4c403ad05c199606e41", kill_on_drop: false }`
[INFO] [stdout] d38e642e82a70e6bcbb75096e65a6985300a72ee3ba7a4c403ad05c199606e41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a1722fcda3cf4a4752f1b1df025026ad56df6d87e3beb66a755c53c76bbd1813
[INFO] running `Command { std: "docker" "start" "-a" "a1722fcda3cf4a4752f1b1df025026ad56df6d87e3beb66a755c53c76bbd1813", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]     Checking encoding_rs v0.7.2
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling derive_builder_core v0.2.0
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking quick-xml v0.10.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking atom_syndication v0.5.8
[INFO] [stderr]     Checking quick_atom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `atom_syndication` is imported redundantly
[INFO] [stdout]  --> src/error.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use atom_syndication;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate atom_syndication;
[INFO] [stdout]   | ------------------------------ the item `atom_syndication` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `atom_syndication` is imported redundantly
[INFO] [stdout]  --> src/error.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use atom_syndication;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate atom_syndication;
[INFO] [stdout]   | ------------------------------ the item `atom_syndication` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.96s
[INFO] running `Command { std: "docker" "inspect" "a1722fcda3cf4a4752f1b1df025026ad56df6d87e3beb66a755c53c76bbd1813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1722fcda3cf4a4752f1b1df025026ad56df6d87e3beb66a755c53c76bbd1813", kill_on_drop: false }`
[INFO] [stdout] a1722fcda3cf4a4752f1b1df025026ad56df6d87e3beb66a755c53c76bbd1813