[INFO] fetching crate mag-image-decoder 0.1.0...
[INFO] checking mag-image-decoder-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate mag-image-decoder 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate mag-image-decoder 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 mag-image-decoder 0.1.0
[INFO] finished tweaking crates.io crate mag-image-decoder 0.1.0
[INFO] tweaked toml for crates.io crate mag-image-decoder 0.1.0 written to /workspace/builds/worker-7-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 93 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding colored v1.9.4 (latest: v2.1.0)
[INFO] [stderr]       Adding deflate v0.7.20 (latest: v1.0.0)
[INFO] [stderr]       Adding gif v0.10.3 (latest: v0.13.1)
[INFO] [stderr]       Adding heck v0.3.3 (latest: v0.5.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding image v0.22.5 (latest: v0.25.1)
[INFO] [stderr]       Adding jpeg-decoder v0.1.22 (latest: v0.3.1)
[INFO] [stderr]       Adding num-derive v0.2.5 (latest: v0.4.2)
[INFO] [stderr]       Adding num-rational v0.2.4 (latest: v0.4.1)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding png v0.15.3 (latest: v0.17.13)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.79)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.35)
[INFO] [stderr]       Adding simple_logger v1.16.0 (latest: v4.3.3)
[INFO] [stderr]       Adding strsim v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding structopt v0.2.18 (latest: v0.3.26)
[INFO] [stderr]       Adding structopt-derive v0.2.18 (latest: v0.4.18)
[INFO] [stderr]       Adding syn v0.15.44 (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 textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding tiff v0.3.1 (latest: v0.9.1)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[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 tiff v0.3.1
[INFO] [stderr]   Downloaded inflate v0.4.5
[INFO] [stderr]   Downloaded gif v0.10.3
[INFO] [stderr]   Downloaded num-derive v0.2.5
[INFO] [stderr]   Downloaded png v0.15.3
[INFO] [stderr]   Downloaded image v0.22.5
[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] eea010863f12e712ef8d10882a8710e1e2b98540b92669482f497de53baf09b0
[INFO] running `Command { std: "docker" "start" "-a" "eea010863f12e712ef8d10882a8710e1e2b98540b92669482f497de53baf09b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eea010863f12e712ef8d10882a8710e1e2b98540b92669482f497de53baf09b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eea010863f12e712ef8d10882a8710e1e2b98540b92669482f497de53baf09b0", kill_on_drop: false }`
[INFO] [stdout] eea010863f12e712ef8d10882a8710e1e2b98540b92669482f497de53baf09b0
[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] 2adb34294eddfeb4968bd542753190b24f0c12e12c43a3c3a1be3b79d7dead05
[INFO] running `Command { std: "docker" "start" "-a" "2adb34294eddfeb4968bd542753190b24f0c12e12c43a3c3a1be3b79d7dead05", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking simple_logger v1.16.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking mag-image-decoder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `simple_logger` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use simple_logger;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ the item `simple_logger` 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 `simple_logger` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use simple_logger;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ the item `simple_logger` is already defined by prelude
[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 5.21s
[INFO] running `Command { std: "docker" "inspect" "2adb34294eddfeb4968bd542753190b24f0c12e12c43a3c3a1be3b79d7dead05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2adb34294eddfeb4968bd542753190b24f0c12e12c43a3c3a1be3b79d7dead05", kill_on_drop: false }`
[INFO] [stdout] 2adb34294eddfeb4968bd542753190b24f0c12e12c43a3c3a1be3b79d7dead05
[INFO] checking mag-image-decoder-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate mag-image-decoder 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate mag-image-decoder 0.1.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mag-image-decoder 0.1.0
[INFO] finished tweaking crates.io crate mag-image-decoder 0.1.0
[INFO] tweaked toml for crates.io crate mag-image-decoder 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b16a3315897762fa5b34a3674aaed86b1c7f6e39e1ee2c25a421a5e2457baf8
[INFO] running `Command { std: "docker" "start" "-a" "8b16a3315897762fa5b34a3674aaed86b1c7f6e39e1ee2c25a421a5e2457baf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b16a3315897762fa5b34a3674aaed86b1c7f6e39e1ee2c25a421a5e2457baf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b16a3315897762fa5b34a3674aaed86b1c7f6e39e1ee2c25a421a5e2457baf8", kill_on_drop: false }`
[INFO] [stdout] 8b16a3315897762fa5b34a3674aaed86b1c7f6e39e1ee2c25a421a5e2457baf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 180f7ecf8042ed7662af2d749ef91ea239f2c39b3834ab0f15fe7741cfc645bc
[INFO] running `Command { std: "docker" "start" "-a" "180f7ecf8042ed7662af2d749ef91ea239f2c39b3834ab0f15fe7741cfc645bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.19/src/sync/parker.rs:370:25
[INFO] [stdout]     |
[INFO] [stdout] 370 | /                         match self.state.swap(EMPTY, SeqCst) {
[INFO] [stdout] 371 | |                             NOTIFIED | PARKED => return,
[INFO] [stdout] 372 | |                             n => panic!("inconsistent park_timeout state: {}", n),
[INFO] [stdout] 373 | |                         };
[INFO] [stdout]     | |_________________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crossbeam-utils` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.7.2/src/inflate/core.rs:1196:9
[INFO] [stdout]      |
[INFO] [stdout] 1196 | /         match state {
[INFO] [stdout] 1197 | |             Start => generate_state!(state, 'state_machine, {
[INFO] [stdout] 1198 | |                 l.bit_buf = 0;
[INFO] [stdout] 1199 | |                 l.num_bits = 0;
[INFO] [stdout] ...    |
[INFO] [stdout] 1741 | |             _ => break TINFLStatus::Failed,
[INFO] [stdout] 1742 | |         };
[INFO] [stdout]      | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `miniz_oxide` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "180f7ecf8042ed7662af2d749ef91ea239f2c39b3834ab0f15fe7741cfc645bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "180f7ecf8042ed7662af2d749ef91ea239f2c39b3834ab0f15fe7741cfc645bc", kill_on_drop: false }`
[INFO] [stdout] 180f7ecf8042ed7662af2d749ef91ea239f2c39b3834ab0f15fe7741cfc645bc