[INFO] fetching crate convert 0.2.0... [INFO] checking convert-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate convert 0.2.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate convert 0.2.0 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 convert 0.2.0 [INFO] finished tweaking crates.io crate convert 0.2.0 [INFO] tweaked toml for crates.io crate convert 0.2.0 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 85 packages [INFO] [stderr] Adding aho-corasick v0.6.10 (latest: v1.1.3) [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 curl v0.2.19 (latest: v0.4.46) [INFO] [stderr] Adding curl-sys v0.1.35 (latest: v0.4.72+curl-8.6.0) [INFO] [stderr] Adding env_logger v0.4.3 (latest: v0.11.3) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding idna v0.1.5 (latest: v0.5.0) [INFO] [stderr] Adding json v0.11.15 (latest: v0.12.4) [INFO] [stderr] Adding log v0.3.9 (latest: v0.4.21) [INFO] [stderr] Adding num v0.1.42 (latest: v0.4.1) [INFO] [stderr] Adding num-bigint v0.1.44 (latest: v0.4.4) [INFO] [stderr] Adding num-complex v0.1.43 (latest: v0.4.5) [INFO] [stderr] Adding num-rational v0.1.42 (latest: v0.4.1) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding openssl-sys v0.7.17 (latest: v0.9.102) [INFO] [stderr] Adding percent-encoding v1.0.1 (latest: v2.3.1) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding regex v0.2.11 (latest: v1.10.4) [INFO] [stderr] Adding regex-syntax v0.5.6 (latest: v0.8.3) [INFO] [stderr] Adding remove_dir_all v0.5.3 (latest: v0.8.2) [INFO] [stderr] Adding same-file v0.1.3 (latest: v1.0.6) [INFO] [stderr] Adding serde v0.6.15 (latest: v1.0.197) [INFO] [stderr] Adding serde_json v0.6.1 (latest: v1.0.115) [INFO] [stderr] Adding strsim v0.8.0 (latest: v0.11.1) [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 thread_local v0.3.6 (latest: v1.1.8) [INFO] [stderr] Adding ucd-util v0.1.10 (latest: v0.2.1) [INFO] [stderr] Adding url v1.7.2 (latest: v2.5.0) [INFO] [stderr] Adding walkdir v1.0.7 (latest: v2.5.0) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [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 user32-sys v0.2.0 [INFO] [stderr] Downloaded openssl-sys v0.7.17 [INFO] [stderr] Downloaded json v0.11.15 [INFO] [stderr] Downloaded gdi32-sys v0.2.0 [INFO] [stderr] Downloaded curl v0.2.19 [INFO] [stderr] Downloaded env_logger v0.4.3 [INFO] [stderr] Downloaded serde_json v0.6.1 [INFO] [stderr] Downloaded curl-sys v0.1.35 [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] 2a3911a6b3765121baf79b4f773835aeacca87ca47887e38f7a928970f87bc93 [INFO] running `Command { std: "docker" "start" "-a" "2a3911a6b3765121baf79b4f773835aeacca87ca47887e38f7a928970f87bc93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a3911a6b3765121baf79b4f773835aeacca87ca47887e38f7a928970f87bc93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a3911a6b3765121baf79b4f773835aeacca87ca47887e38f7a928970f87bc93", kill_on_drop: false }` [INFO] [stdout] 2a3911a6b3765121baf79b4f773835aeacca87ca47887e38f7a928970f87bc93 [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] fcc248962d8017731382a28eae7e8b662b309380a9ef78e2f291a0bd163f8087 [INFO] running `Command { std: "docker" "start" "-a" "fcc248962d8017731382a28eae7e8b662b309380a9ef78e2f291a0bd163f8087", kill_on_drop: false }` [INFO] [stderr] Compiling libz-sys v1.1.16 [INFO] [stderr] Compiling openssl-sys v0.7.17 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking unicode-normalization v0.1.23 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling curl-sys v0.1.35 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking json v0.11.15 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking serde v0.6.15 [INFO] [stderr] Checking curl v0.2.19 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking serde_json v0.6.1 [INFO] [stderr] Checking env_logger v0.4.3 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking convert v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `json::parse` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use json::parse; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `json::parse` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use json::parse; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules [INFO] [stdout] --> src/main.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules [INFO] [stdout] --> src/main.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `failure::Error::causes`: please use the 'iter_chain()' method instead [INFO] [stdout] --> src/main.rs:40:26 [INFO] [stdout] | [INFO] [stdout] 40 | for cause in err.causes().skip(1) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `failure::Error::causes`: please use the 'iter_chain()' method instead [INFO] [stdout] --> src/main.rs:40:26 [INFO] [stdout] | [INFO] [stdout] 40 | for cause in err.causes().skip(1) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/main.rs:90:20 [INFO] [stdout] | [INFO] [stdout] 90 | for (curr, val) in obj.iter() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/main.rs:90:20 [INFO] [stdout] | [INFO] [stdout] 90 | for (curr, val) in obj.iter() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.36s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "fcc248962d8017731382a28eae7e8b662b309380a9ef78e2f291a0bd163f8087", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcc248962d8017731382a28eae7e8b662b309380a9ef78e2f291a0bd163f8087", kill_on_drop: false }` [INFO] [stdout] fcc248962d8017731382a28eae7e8b662b309380a9ef78e2f291a0bd163f8087 [INFO] checking convert-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate convert 0.2.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate convert 0.2.0 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 convert 0.2.0 [INFO] finished tweaking crates.io crate convert 0.2.0 [INFO] tweaked toml for crates.io crate convert 0.2.0 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] Blocking waiting for file lock on package cache [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] [stderr] Blocking waiting for file lock on package cache [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] 794cfce285074924a1b3ffb0f1f63c820eaaaf37852ecbfd8be53b8c7e179ceb [INFO] running `Command { std: "docker" "start" "-a" "794cfce285074924a1b3ffb0f1f63c820eaaaf37852ecbfd8be53b8c7e179ceb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "794cfce285074924a1b3ffb0f1f63c820eaaaf37852ecbfd8be53b8c7e179ceb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "794cfce285074924a1b3ffb0f1f63c820eaaaf37852ecbfd8be53b8c7e179ceb", kill_on_drop: false }` [INFO] [stdout] 794cfce285074924a1b3ffb0f1f63c820eaaaf37852ecbfd8be53b8c7e179ceb [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] fd91e3193bb89b912e2222f1f422553580140e6c238f1a921b8a111e4e7090d9 [INFO] running `Command { std: "docker" "start" "-a" "fd91e3193bb89b912e2222f1f422553580140e6c238f1a921b8a111e4e7090d9", kill_on_drop: false }` [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Compiling openssl-sys v0.7.17 [INFO] [stderr] Compiling libz-sys v1.1.16 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking unicode-normalization v0.1.23 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.25/src/json.rs:1387:20 [INFO] [stdout] | [INFO] [stdout] 1387 | _ => { panic!(); } [INFO] [stdout] | ^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling curl-sys v0.1.35 [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/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] [stderr] Checking thread_local v0.3.6 [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 `rustc-serialize` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "fd91e3193bb89b912e2222f1f422553580140e6c238f1a921b8a111e4e7090d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd91e3193bb89b912e2222f1f422553580140e6c238f1a921b8a111e4e7090d9", kill_on_drop: false }` [INFO] [stdout] fd91e3193bb89b912e2222f1f422553580140e6c238f1a921b8a111e4e7090d9