[INFO] fetching crate robust-binary-search 0.1.1... [INFO] checking robust-binary-search-0.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate robust-binary-search 0.1.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate robust-binary-search 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] started tweaking crates.io crate robust-binary-search 0.1.1 [INFO] finished tweaking crates.io crate robust-binary-search 0.1.1 [INFO] tweaked toml for crates.io crate robust-binary-search 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate robust-binary-search 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 simplelog v0.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 03197ed62958ca81db11112a4d1bacd26c2218b95962903583dafd79181785d7 [INFO] running `Command { std: "docker" "start" "-a" "03197ed62958ca81db11112a4d1bacd26c2218b95962903583dafd79181785d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "03197ed62958ca81db11112a4d1bacd26c2218b95962903583dafd79181785d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03197ed62958ca81db11112a4d1bacd26c2218b95962903583dafd79181785d7", kill_on_drop: false }` [INFO] [stdout] 03197ed62958ca81db11112a4d1bacd26c2218b95962903583dafd79181785d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 922673d88ae3e577a5855af53bcd07f172a80235deae6237531dfc835e3a33c0 [INFO] running `Command { std: "docker" "start" "-a" "922673d88ae3e577a5855af53bcd07f172a80235deae6237531dfc835e3a33c0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rand_xoshiro v0.4.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Compiling im-rc v15.0.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking bitmaps v2.1.0 [INFO] [stderr] Checking simplelog v0.8.0 [INFO] [stderr] Checking sized-chunks v0.6.2 [INFO] [stderr] Checking robust-binary-search v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `offset` is never used [INFO] [stdout] --> src/range_map.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 26 | impl RangeMapEntry { [INFO] [stdout] | ------------------------ method in this implementation [INFO] [stdout] 27 | /// Returns the index of the first individual value in the range. [INFO] [stdout] 28 | pub fn offset(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused implementer of `Iterator` in tuple element 0 that must be used [INFO] [stdout] --> src/lib.rs:164:9 [INFO] [stdout] | [INFO] [stdout] 164 | weights.split(index); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: iterators are lazy and do nothing unless consumed [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused implementer of `Iterator` in tuple element 1 that must be used [INFO] [stdout] --> src/lib.rs:164:9 [INFO] [stdout] | [INFO] [stdout] 164 | weights.split(index); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: iterators are lazy and do nothing unless consumed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `offset` is never used [INFO] [stdout] --> src/range_map.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 26 | impl RangeMapEntry { [INFO] [stdout] | ------------------------ method in this implementation [INFO] [stdout] 27 | /// Returns the index of the first individual value in the range. [INFO] [stdout] 28 | pub fn offset(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused implementer of `Iterator` in tuple element 0 that must be used [INFO] [stdout] --> src/lib.rs:164:9 [INFO] [stdout] | [INFO] [stdout] 164 | weights.split(index); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: iterators are lazy and do nothing unless consumed [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused implementer of `Iterator` in tuple element 1 that must be used [INFO] [stdout] --> src/lib.rs:164:9 [INFO] [stdout] | [INFO] [stdout] 164 | weights.split(index); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: iterators are lazy and do nothing unless consumed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.24s [INFO] running `Command { std: "docker" "inspect" "922673d88ae3e577a5855af53bcd07f172a80235deae6237531dfc835e3a33c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "922673d88ae3e577a5855af53bcd07f172a80235deae6237531dfc835e3a33c0", kill_on_drop: false }` [INFO] [stdout] 922673d88ae3e577a5855af53bcd07f172a80235deae6237531dfc835e3a33c0 [INFO] checking robust-binary-search-0.1.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate robust-binary-search 0.1.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate robust-binary-search 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] started tweaking crates.io crate robust-binary-search 0.1.1 [INFO] finished tweaking crates.io crate robust-binary-search 0.1.1 [INFO] tweaked toml for crates.io crate robust-binary-search 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate robust-binary-search 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ddbf4e7a2b74b2109ae8093e025bdb4d556ed23f83c82ab0e4ca34e8c8330a23 [INFO] running `Command { std: "docker" "start" "-a" "ddbf4e7a2b74b2109ae8093e025bdb4d556ed23f83c82ab0e4ca34e8c8330a23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ddbf4e7a2b74b2109ae8093e025bdb4d556ed23f83c82ab0e4ca34e8c8330a23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddbf4e7a2b74b2109ae8093e025bdb4d556ed23f83c82ab0e4ca34e8c8330a23", kill_on_drop: false }` [INFO] [stdout] ddbf4e7a2b74b2109ae8093e025bdb4d556ed23f83c82ab0e4ca34e8c8330a23 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ccc8daabc4cbc08bd1202fb8acf5232c58a4d1c1f36bff4e3ba82b76807db5eb [INFO] running `Command { std: "docker" "start" "-a" "ccc8daabc4cbc08bd1202fb8acf5232c58a4d1c1f36bff4e3ba82b76807db5eb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rand_xoshiro v0.4.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling im-rc v15.0.0 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking bitmaps v2.1.0 [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" "ccc8daabc4cbc08bd1202fb8acf5232c58a4d1c1f36bff4e3ba82b76807db5eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ccc8daabc4cbc08bd1202fb8acf5232c58a4d1c1f36bff4e3ba82b76807db5eb", kill_on_drop: false }` [INFO] [stdout] ccc8daabc4cbc08bd1202fb8acf5232c58a4d1c1f36bff4e3ba82b76807db5eb