[INFO] fetching crate bench 1.1.0...
[INFO] checking bench-1.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate bench 1.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate bench 1.1.0 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 bench 1.1.0
[INFO] finished tweaking crates.io crate bench 1.1.0
[INFO] tweaked toml for crates.io crate bench 1.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate bench 1.1.0 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 rustc-demangle v0.1.18
[INFO] [stderr]   Downloaded synstructure v0.12.4
[INFO] [stderr]   Downloaded simplelog v0.10.0
[INFO] [stderr]   Downloaded addr2line v0.14.1
[INFO] [stderr]   Downloaded plotters-svg v0.3.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.73
[INFO] [stderr]   Downloaded cast v0.2.5
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.73
[INFO] [stderr]   Downloaded half v1.7.1
[INFO] [stderr]   Downloaded backtrace v0.3.56
[INFO] [stderr]   Downloaded criterion-plot v0.4.3
[INFO] [stderr]   Downloaded yaml-rust v0.3.5
[INFO] [stderr]   Downloaded serde_json v1.0.64
[INFO] [stderr]   Downloaded criterion v0.3.4
[INFO] [stderr]   Downloaded bstr v0.2.15
[INFO] [stderr]   Downloaded web-sys v0.3.50
[INFO] [stderr]   Downloaded gimli v0.23.0
[INFO] [stderr]   Downloaded bumpalo v3.6.1
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.73
[INFO] [stderr]   Downloaded rayon v1.5.0
[INFO] [stderr]   Downloaded itertools v0.10.0
[INFO] [stderr]   Downloaded plotters-backend v0.3.0
[INFO] [stderr]   Downloaded js-sys v0.3.50
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.73
[INFO] [stderr]   Downloaded memoffset v0.6.3
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.3
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.3
[INFO] [stderr]   Downloaded rayon-core v1.9.0
[INFO] [stderr]   Downloaded serde_cbor v0.11.1
[INFO] [stderr]   Downloaded object v0.23.0
[INFO] [stderr]   Downloaded syn v1.0.69
[INFO] [stderr]   Downloaded plotters v0.3.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.0
[INFO] [stderr]   Downloaded itoa v0.4.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1ea8db41f2fb39d29a359c73a6625a2a4a73652fc5ae886f3da35e6e5238c968
[INFO] running `Command { std: "docker" "start" "-a" "1ea8db41f2fb39d29a359c73a6625a2a4a73652fc5ae886f3da35e6e5238c968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ea8db41f2fb39d29a359c73a6625a2a4a73652fc5ae886f3da35e6e5238c968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ea8db41f2fb39d29a359c73a6625a2a4a73652fc5ae886f3da35e6e5238c968", kill_on_drop: false }`
[INFO] [stdout] 1ea8db41f2fb39d29a359c73a6625a2a4a73652fc5ae886f3da35e6e5238c968
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1d98f3f2aba9264d65158682bd52976e8525038377efca09e4196c106be55761
[INFO] running `Command { std: "docker" "start" "-a" "1d98f3f2aba9264d65158682bd52976e8525038377efca09e4196c106be55761", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling cast v0.2.5
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking simplelog v0.10.0
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Checking bench v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.72s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "1d98f3f2aba9264d65158682bd52976e8525038377efca09e4196c106be55761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d98f3f2aba9264d65158682bd52976e8525038377efca09e4196c106be55761", kill_on_drop: false }`
[INFO] [stdout] 1d98f3f2aba9264d65158682bd52976e8525038377efca09e4196c106be55761
[INFO] checking bench-1.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate bench 1.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate bench 1.1.0 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 bench 1.1.0
[INFO] finished tweaking crates.io crate bench 1.1.0
[INFO] tweaked toml for crates.io crate bench 1.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate bench 1.1.0 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c530e75d7996c256445c8b9b74f844eddccce1f41133cb7c32aff48def1c5aad
[INFO] running `Command { std: "docker" "start" "-a" "c530e75d7996c256445c8b9b74f844eddccce1f41133cb7c32aff48def1c5aad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c530e75d7996c256445c8b9b74f844eddccce1f41133cb7c32aff48def1c5aad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c530e75d7996c256445c8b9b74f844eddccce1f41133cb7c32aff48def1c5aad", kill_on_drop: false }`
[INFO] [stdout] c530e75d7996c256445c8b9b74f844eddccce1f41133cb7c32aff48def1c5aad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e9d83143b20efabadd0591d5b3ea05dd6d4df51be86c6cd8a737f1872a7ec8c2
[INFO] running `Command { std: "docker" "start" "-a" "e9d83143b20efabadd0591d5b3ea05dd6d4df51be86c6cd8a737f1872a7ec8c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling cast v0.2.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking miniz_oxide v0.4.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.4.4/src/inflate/core.rs:1060:9
[INFO] [stdout]      |
[INFO] [stdout] 1060 | /         match state {
[INFO] [stdout] 1061 | |             Start => generate_state!(state, 'state_machine, {
[INFO] [stdout] 1062 | |                 l.bit_buf = 0;
[INFO] [stdout] 1063 | |                 l.num_bits = 0;
[INFO] [stdout] ...    |
[INFO] [stdout] 1592 | |             _ => break TINFLStatus::Failed,
[INFO] [stdout] 1593 | |         };
[INFO] [stdout]      | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.3/src/sync/parker.rs:364:25
[INFO] [stdout]     |
[INFO] [stdout] 364 | /                         match self.state.swap(EMPTY, SeqCst) {
[INFO] [stdout] 365 | |                             NOTIFIED | PARKED => return,
[INFO] [stdout] 366 | |                             n => panic!("inconsistent park_timeout state: {}", n),
[INFO] [stdout] 367 | |                         };
[INFO] [stdout]     | |_________________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking oorandom v11.1.3
[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] [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] [stderr] error: could not compile `miniz_oxide` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e9d83143b20efabadd0591d5b3ea05dd6d4df51be86c6cd8a737f1872a7ec8c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9d83143b20efabadd0591d5b3ea05dd6d4df51be86c6cd8a737f1872a7ec8c2", kill_on_drop: false }`
[INFO] [stdout] e9d83143b20efabadd0591d5b3ea05dd6d4df51be86c6cd8a737f1872a7ec8c2