[INFO] fetching crate intercom-attributes 0.4.0...
[INFO] checking intercom-attributes-0.4.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate intercom-attributes 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate intercom-attributes 0.4.0 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 intercom-attributes 0.4.0
[INFO] finished tweaking crates.io crate intercom-attributes 0.4.0
[INFO] tweaked toml for crates.io crate intercom-attributes 0.4.0 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 52 packages
[INFO] [stderr]       Adding arrayvec v0.5.2 (latest: v0.7.4)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding blake2b_simd v0.5.11 (latest: v1.0.2)
[INFO] [stderr]       Adding constant_time_eq v0.1.5 (latest: v0.3.0)
[INFO] [stderr]       Adding dirs v1.0.5 (latest: v5.0.1)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.12)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding redox_syscall v0.1.57 (latest: v0.5.1)
[INFO] [stderr]       Adding redox_users v0.3.5 (latest: v0.4.5)
[INFO] [stderr]       Adding rust-argon2 v0.8.3 (latest: v2.1.0)
[INFO] [stderr]       Adding sha1 v0.6.1 (latest: v0.10.6)
[INFO] [stderr]       Adding simple_logger v1.16.0 (latest: v4.3.3)
[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 term v0.5.2 (latest: v0.7.0)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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 intercom-common v0.4.0
[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] 0f7467284c4d446cbb85112cd090f30050080a82c55bef7f09b1509b9d835a83
[INFO] running `Command { std: "docker" "start" "-a" "0f7467284c4d446cbb85112cd090f30050080a82c55bef7f09b1509b9d835a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f7467284c4d446cbb85112cd090f30050080a82c55bef7f09b1509b9d835a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f7467284c4d446cbb85112cd090f30050080a82c55bef7f09b1509b9d835a83", kill_on_drop: false }`
[INFO] [stdout] 0f7467284c4d446cbb85112cd090f30050080a82c55bef7f09b1509b9d835a83
[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] 31eac25d0af6b40cd77dc0278c4640c0de2ad69640901a77f97bdc5e519183a3
[INFO] running `Command { std: "docker" "start" "-a" "31eac25d0af6b40cd77dc0278c4640c0de2ad69640901a77f97bdc5e519183a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking simple_logger v1.16.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]    Compiling sha1 v0.6.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking intercom-common v0.4.0
[INFO] [stderr]     Checking intercom-attributes v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.03s
[INFO] running `Command { std: "docker" "inspect" "31eac25d0af6b40cd77dc0278c4640c0de2ad69640901a77f97bdc5e519183a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31eac25d0af6b40cd77dc0278c4640c0de2ad69640901a77f97bdc5e519183a3", kill_on_drop: false }`
[INFO] [stdout] 31eac25d0af6b40cd77dc0278c4640c0de2ad69640901a77f97bdc5e519183a3
[INFO] checking intercom-attributes-0.4.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate intercom-attributes 0.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate intercom-attributes 0.4.0 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 intercom-attributes 0.4.0
[INFO] finished tweaking crates.io crate intercom-attributes 0.4.0
[INFO] tweaked toml for crates.io crate intercom-attributes 0.4.0 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] ab7b33fa29341b319bc4d88ad5206b4527a7d2e04460936d0b5e611c0a6ca732
[INFO] running `Command { std: "docker" "start" "-a" "ab7b33fa29341b319bc4d88ad5206b4527a7d2e04460936d0b5e611c0a6ca732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab7b33fa29341b319bc4d88ad5206b4527a7d2e04460936d0b5e611c0a6ca732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab7b33fa29341b319bc4d88ad5206b4527a7d2e04460936d0b5e611c0a6ca732", kill_on_drop: false }`
[INFO] [stdout] ab7b33fa29341b319bc4d88ad5206b4527a7d2e04460936d0b5e611c0a6ca732
[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] 3bf781b19c7361f4bab93529086e729e7016d934e8319c5aae3c3d866a9141e8
[INFO] running `Command { std: "docker" "start" "-a" "3bf781b19c7361f4bab93529086e729e7016d934e8319c5aae3c3d866a9141e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking simple_logger v1.16.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking sha1 v0.6.1
[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[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] [stderr] warning: build failed, waiting for other jobs to finish...
[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" "3bf781b19c7361f4bab93529086e729e7016d934e8319c5aae3c3d866a9141e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf781b19c7361f4bab93529086e729e7016d934e8319c5aae3c3d866a9141e8", kill_on_drop: false }`
[INFO] [stdout] 3bf781b19c7361f4bab93529086e729e7016d934e8319c5aae3c3d866a9141e8