[INFO] fetching crate spacework 0.0.3... [INFO] checking spacework-0.0.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate spacework 0.0.3 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate spacework 0.0.3 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 spacework 0.0.3 [INFO] finished tweaking crates.io crate spacework 0.0.3 [INFO] tweaked toml for crates.io crate spacework 0.0.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate spacework 0.0.3 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] 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] 4956eb2b2a661f70b18a883cd24f2b2e6af42c1177ab7215a709c3d14675cfec [INFO] running `Command { std: "docker" "start" "-a" "4956eb2b2a661f70b18a883cd24f2b2e6af42c1177ab7215a709c3d14675cfec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4956eb2b2a661f70b18a883cd24f2b2e6af42c1177ab7215a709c3d14675cfec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4956eb2b2a661f70b18a883cd24f2b2e6af42c1177ab7215a709c3d14675cfec", kill_on_drop: false }` [INFO] [stdout] 4956eb2b2a661f70b18a883cd24f2b2e6af42c1177ab7215a709c3d14675cfec [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] b08f8e861c0c68d0f20e9b2edc28d066069269ce3369ec895c79a1670f980405 [INFO] running `Command { std: "docker" "start" "-a" "b08f8e861c0c68d0f20e9b2edc28d066069269ce3369ec895c79a1670f980405", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling serde_derive v1.0.127 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling serde v1.0.127 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Checking os_str_bytes v3.1.0 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.4 [INFO] [stderr] Checking clap v3.0.0-beta.4 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking spacework v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/config/languagefile.rs:147:9 [INFO] [stdout] | [INFO] [stdout] 143 | use super::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] ... [INFO] [stdout] 147 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `compiler`, `output`, `standard`, `optimization_levels`, and `warnings` are never read [INFO] [stdout] --> src/config/languagefile.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Language { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | pub compiler: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 18 | pub output: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 19 | pub standard: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | pub optimization_levels: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 23 | pub warnings: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Language` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `run` is never read [INFO] [stdout] --> src/config/languagefile.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct Cmd { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 34 | pub build: String, [INFO] [stdout] 35 | pub run: String, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Cmd` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `read` is never used [INFO] [stdout] --> src/spacework/history.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl History { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn read(&self) -> Result> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `compiler`, `output`, `standard`, `optimization_levels`, and `warnings` are never read [INFO] [stdout] --> src/config/languagefile.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Language { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | pub compiler: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 18 | pub output: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 19 | pub standard: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | pub optimization_levels: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 23 | pub warnings: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Language` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `run` is never read [INFO] [stdout] --> src/config/languagefile.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct Cmd { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 34 | pub build: String, [INFO] [stdout] 35 | pub run: String, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Cmd` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `read` is never used [INFO] [stdout] --> src/spacework/history.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl History { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn read(&self) -> Result> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.90s [INFO] running `Command { std: "docker" "inspect" "b08f8e861c0c68d0f20e9b2edc28d066069269ce3369ec895c79a1670f980405", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b08f8e861c0c68d0f20e9b2edc28d066069269ce3369ec895c79a1670f980405", kill_on_drop: false }` [INFO] [stdout] b08f8e861c0c68d0f20e9b2edc28d066069269ce3369ec895c79a1670f980405 [INFO] checking spacework-0.0.3 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate spacework 0.0.3 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate spacework 0.0.3 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 spacework 0.0.3 [INFO] finished tweaking crates.io crate spacework 0.0.3 [INFO] tweaked toml for crates.io crate spacework 0.0.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate spacework 0.0.3 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] b1cc5ff38b8f5a3fb4475773dcb8922b4f7937d394785dddc182f0a71269ab05 [INFO] running `Command { std: "docker" "start" "-a" "b1cc5ff38b8f5a3fb4475773dcb8922b4f7937d394785dddc182f0a71269ab05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b1cc5ff38b8f5a3fb4475773dcb8922b4f7937d394785dddc182f0a71269ab05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1cc5ff38b8f5a3fb4475773dcb8922b4f7937d394785dddc182f0a71269ab05", kill_on_drop: false }` [INFO] [stdout] b1cc5ff38b8f5a3fb4475773dcb8922b4f7937d394785dddc182f0a71269ab05 [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] ba9a0d5dbbffd85e83556dfc7ba2fb3ac65f1457e2359b31781b7e921b63ac5a [INFO] running `Command { std: "docker" "start" "-a" "ba9a0d5dbbffd85e83556dfc7ba2fb3ac65f1457e2359b31781b7e921b63ac5a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling serde_derive v1.0.127 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling serde v1.0.127 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking os_str_bytes v3.1.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/chrono-0.4.19/src/format/parse.rs:491:21 [INFO] [stdout] | [INFO] [stdout] 491 | Err(INVALID)?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 491 | Err::(INVALID)?; [INFO] [stdout] | +++++++++++++++++++++++++ [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 `chrono` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ba9a0d5dbbffd85e83556dfc7ba2fb3ac65f1457e2359b31781b7e921b63ac5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba9a0d5dbbffd85e83556dfc7ba2fb3ac65f1457e2359b31781b7e921b63ac5a", kill_on_drop: false }` [INFO] [stdout] ba9a0d5dbbffd85e83556dfc7ba2fb3ac65f1457e2359b31781b7e921b63ac5a