[INFO] fetching crate pickpocket 0.1.1...
[INFO] checking pickpocket-0.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate pickpocket 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate pickpocket 0.1.1 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] removed /workspace/builds/worker-5-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate pickpocket 0.1.1
[INFO] finished tweaking crates.io crate pickpocket 0.1.1
[INFO] tweaked toml for crates.io crate pickpocket 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate pickpocket 0.1.1 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_yaml v0.8.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 32ebe8bc234b9c4796069e135c6a374e1d2bcf30997481aa30925af97ba0d70c
[INFO] running `Command { std: "docker" "start" "-a" "32ebe8bc234b9c4796069e135c6a374e1d2bcf30997481aa30925af97ba0d70c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32ebe8bc234b9c4796069e135c6a374e1d2bcf30997481aa30925af97ba0d70c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32ebe8bc234b9c4796069e135c6a374e1d2bcf30997481aa30925af97ba0d70c", kill_on_drop: false }`
[INFO] [stdout] 32ebe8bc234b9c4796069e135c6a374e1d2bcf30997481aa30925af97ba0d70c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9dc5ab2fd0d4939637a263ea5759ac7e9cb725b5e8d403f9a98ce6eeb9572617
[INFO] running `Command { std: "docker" "start" "-a" "9dc5ab2fd0d4939637a263ea5759ac7e9cb725b5e8d403f9a98ce6eeb9572617", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking hashbrown v0.12.2
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling openssl v0.10.41
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking open v1.7.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking publicsuffix v1.5.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling serde_derive v1.0.138
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde v1.0.138
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.82
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking serde_yaml v0.8.25
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking pickpocket v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_yaml` is imported redundantly
[INFO] [stdout]  --> src/articles/library.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde_yaml;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_yaml` 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 `dirs` is imported redundantly
[INFO] [stdout]  --> src/configuration.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use dirs;
[INFO] [stdout]   |     ^^^^ the item `dirs` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_yaml` is imported redundantly
[INFO] [stdout]  --> src/articles/library.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde_yaml;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_yaml` 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 `dirs` is imported redundantly
[INFO] [stdout]  --> src/configuration.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use dirs;
[INFO] [stdout]   |     ^^^^ the item `dirs` is already defined by prelude
[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 9.18s
[INFO] running `Command { std: "docker" "inspect" "9dc5ab2fd0d4939637a263ea5759ac7e9cb725b5e8d403f9a98ce6eeb9572617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dc5ab2fd0d4939637a263ea5759ac7e9cb725b5e8d403f9a98ce6eeb9572617", kill_on_drop: false }`
[INFO] [stdout] 9dc5ab2fd0d4939637a263ea5759ac7e9cb725b5e8d403f9a98ce6eeb9572617
[INFO] checking pickpocket-0.1.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate pickpocket 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate pickpocket 0.1.1 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] removed /workspace/builds/worker-5-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate pickpocket 0.1.1
[INFO] finished tweaking crates.io crate pickpocket 0.1.1
[INFO] tweaked toml for crates.io crate pickpocket 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate pickpocket 0.1.1 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1d0b8b23c00ffcbb414d6bfb698cbd79b9c99d77ace6d00668d07b9237c6e8f3
[INFO] running `Command { std: "docker" "start" "-a" "1d0b8b23c00ffcbb414d6bfb698cbd79b9c99d77ace6d00668d07b9237c6e8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d0b8b23c00ffcbb414d6bfb698cbd79b9c99d77ace6d00668d07b9237c6e8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d0b8b23c00ffcbb414d6bfb698cbd79b9c99d77ace6d00668d07b9237c6e8f3", kill_on_drop: false }`
[INFO] [stdout] 1d0b8b23c00ffcbb414d6bfb698cbd79b9c99d77ace6d00668d07b9237c6e8f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 72a6bc3830f56ca7c5d83ad697f7119788a4442b50ef20ff85eb8d9e0e8ed7d4
[INFO] running `Command { std: "docker" "start" "-a" "72a6bc3830f56ca7c5d83ad697f7119788a4442b50ef20ff85eb8d9e0e8ed7d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking hashbrown v0.12.2
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling openssl v0.10.41
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.5.3/src/inflate/core.rs:1107:9
[INFO] [stdout]      |
[INFO] [stdout] 1107 | /         match state {
[INFO] [stdout] 1108 | |             Start => generate_state!(state, 'state_machine, {
[INFO] [stdout] 1109 | |                 l.bit_buf = 0;
[INFO] [stdout] 1110 | |                 l.num_bits = 0;
[INFO] [stdout] ...    |
[INFO] [stdout] 1639 | |             _ => break TINFLStatus::Failed,
[INFO] [stdout] 1640 | |         };
[INFO] [stdout]      | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking tokio-executor v0.1.10
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "72a6bc3830f56ca7c5d83ad697f7119788a4442b50ef20ff85eb8d9e0e8ed7d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72a6bc3830f56ca7c5d83ad697f7119788a4442b50ef20ff85eb8d9e0e8ed7d4", kill_on_drop: false }`
[INFO] [stdout] 72a6bc3830f56ca7c5d83ad697f7119788a4442b50ef20ff85eb8d9e0e8ed7d4