[INFO] fetching crate calcify 0.8.2... [INFO] checking calcify-0.8.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate calcify 0.8.2 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate calcify 0.8.2 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 calcify 0.8.2 [INFO] finished tweaking crates.io crate calcify 0.8.2 [INFO] tweaked toml for crates.io crate calcify 0.8.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate calcify 0.8.2 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 memoffset v0.5.3 [INFO] [stderr] Downloaded hermit-abi v0.1.8 [INFO] [stderr] Downloaded rayon-core v1.7.0 [INFO] [stderr] Downloaded crossbeam-deque v0.7.3 [INFO] [stderr] Downloaded rayon v1.3.0 [INFO] [stderr] Downloaded crossbeam-queue v0.2.1 [INFO] [stderr] Downloaded chrono v0.4.11 [INFO] [stderr] Downloaded rmp v0.8.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 572000af10134ddec8a2d63aade68d8cb15e65746192398152836b64acae8467 [INFO] running `Command { std: "docker" "start" "-a" "572000af10134ddec8a2d63aade68d8cb15e65746192398152836b64acae8467", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "572000af10134ddec8a2d63aade68d8cb15e65746192398152836b64acae8467", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "572000af10134ddec8a2d63aade68d8cb15e65746192398152836b64acae8467", kill_on_drop: false }` [INFO] [stdout] 572000af10134ddec8a2d63aade68d8cb15e65746192398152836b64acae8467 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 727d364fec8ffec4ca2b65add4eb80c93fa891511638e752fb29f5f7383db557 [INFO] running `Command { std: "docker" "start" "-a" "727d364fec8ffec4ca2b65add4eb80c93fa891511638e752fb29f5f7383db557", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking rmp v0.8.9 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking calcify v0.8.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Extend` is imported redundantly [INFO] [stdout] --> src/tree/branch/collection/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::iter::Extend; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Extend` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/tree/branch/collection/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Sized` is imported redundantly [INFO] [stdout] --> src/utils/serializable.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::marker::Sized; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Sized` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Sized` is imported redundantly [INFO] [stdout] --> src/utils/io.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::marker::Sized; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Sized` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Extend` is imported redundantly [INFO] [stdout] --> src/tree/branch/collection/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::iter::Extend; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Extend` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/tree/branch/collection/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Sized` is imported redundantly [INFO] [stdout] --> src/utils/serializable.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::marker::Sized; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Sized` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Sized` is imported redundantly [INFO] [stdout] --> src/utils/io.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::marker::Sized; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Sized` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.25s [INFO] running `Command { std: "docker" "inspect" "727d364fec8ffec4ca2b65add4eb80c93fa891511638e752fb29f5f7383db557", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "727d364fec8ffec4ca2b65add4eb80c93fa891511638e752fb29f5f7383db557", kill_on_drop: false }` [INFO] [stdout] 727d364fec8ffec4ca2b65add4eb80c93fa891511638e752fb29f5f7383db557 [INFO] checking calcify-0.8.2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate calcify 0.8.2 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate calcify 0.8.2 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 calcify 0.8.2 [INFO] finished tweaking crates.io crate calcify 0.8.2 [INFO] tweaked toml for crates.io crate calcify 0.8.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate calcify 0.8.2 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d1100d739ece83e420ddf10761f7c729b65e3004c06819ca823123cdf54bac1d [INFO] running `Command { std: "docker" "start" "-a" "d1100d739ece83e420ddf10761f7c729b65e3004c06819ca823123cdf54bac1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d1100d739ece83e420ddf10761f7c729b65e3004c06819ca823123cdf54bac1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1100d739ece83e420ddf10761f7c729b65e3004c06819ca823123cdf54bac1d", kill_on_drop: false }` [INFO] [stdout] d1100d739ece83e420ddf10761f7c729b65e3004c06819ca823123cdf54bac1d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8d2612bd6a78b2447e0b0e8226ec22611380b5338ad777364d9b4d3be63ff133 [INFO] running `Command { std: "docker" "start" "-a" "8d2612bd6a78b2447e0b0e8226ec22611380b5338ad777364d9b4d3be63ff133", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking rmp v0.8.9 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking calcify v0.8.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Extend` is imported redundantly [INFO] [stdout] --> src/tree/branch/collection/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::iter::Extend; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Extend` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/tree/branch/collection/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Sized` is imported redundantly [INFO] [stdout] --> src/utils/serializable.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::marker::Sized; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Sized` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Sized` is imported redundantly [INFO] [stdout] --> src/utils/io.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::marker::Sized; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Sized` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/chrono-0.4.11/src/format/parse.rs:423:21 [INFO] [stdout] | [INFO] [stdout] 423 | 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] 423 | 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] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8d2612bd6a78b2447e0b0e8226ec22611380b5338ad777364d9b4d3be63ff133", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d2612bd6a78b2447e0b0e8226ec22611380b5338ad777364d9b4d3be63ff133", kill_on_drop: false }` [INFO] [stdout] 8d2612bd6a78b2447e0b0e8226ec22611380b5338ad777364d9b4d3be63ff133