[INFO] fetching crate kass 0.1.0... [INFO] checking kass-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate kass 0.1.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate kass 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate kass 0.1.0 [INFO] finished tweaking crates.io crate kass 0.1.0 [INFO] tweaked toml for crates.io crate kass 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate kass 0.1.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_json v1.0.42 [INFO] [stderr] Downloaded serde_derive v1.0.103 [INFO] [stderr] Downloaded colored_json v2.1.0 [INFO] [stderr] Downloaded itoa v0.4.4 [INFO] [stderr] Downloaded futures-task v0.3.1 [INFO] [stderr] Downloaded hermit-abi v0.1.3 [INFO] [stderr] Downloaded bigdecimal v0.1.0 [INFO] [stderr] Downloaded byteorder v0.5.3 [INFO] [stderr] Downloaded num-bigint v0.2.3 [INFO] [stderr] Downloaded cdrs v2.2.4 [INFO] [stderr] Downloaded regex-syntax v0.6.12 [INFO] [stderr] Downloaded libc v0.2.65 [INFO] [stderr] Downloaded regex v1.3.1 [INFO] [stderr] Downloaded syn v1.0.9 [INFO] [stderr] Downloaded chrono v0.4.10 [INFO] [stderr] Downloaded snap v0.2.5 [INFO] [stderr] Downloaded futures-util v0.3.1 [INFO] [stderr] Downloaded aho-corasick v0.7.6 [INFO] [stderr] Downloaded futures v0.3.1 [INFO] [stderr] Downloaded lz4-compress v0.1.0 [INFO] [stderr] Downloaded lock_api v0.3.2 [INFO] [stderr] Downloaded smallvec v1.0.0 [INFO] [stderr] Downloaded r2d2 v0.8.7 [INFO] [stderr] Downloaded num-integer v0.1.41 [INFO] [stderr] Downloaded num-traits v0.2.10 [INFO] [stderr] Downloaded time v0.1.42 [INFO] [stderr] Downloaded unicode-width v0.1.6 [INFO] [stderr] Downloaded futures-io v0.3.1 [INFO] [stderr] Downloaded futures-macro v0.3.1 [INFO] [stderr] Downloaded futures-sink v0.3.1 [INFO] [stderr] Downloaded memchr v2.2.1 [INFO] [stderr] Downloaded proc-macro2 v1.0.6 [INFO] [stderr] Downloaded serde v1.0.103 [INFO] [stderr] Downloaded scheduled-thread-pool v0.2.3 [INFO] [stderr] Downloaded atty v0.2.13 [INFO] [stderr] Downloaded num_cpus v1.11.1 [INFO] [stderr] Downloaded futures-executor v0.3.1 [INFO] [stderr] Downloaded futures-channel v0.3.1 [INFO] [stderr] Downloaded futures-core v0.3.1 [INFO] [stderr] Downloaded pin-utils v0.1.0-alpha.4 [INFO] [stderr] Downloaded proc-macro-nested v0.1.3 [INFO] [stderr] Downloaded indexmap v1.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a7d7ad74f731e833ee65b76133a5e398ce4cbaab0051157e6eb8fde63fa4ccb9 [INFO] running `Command { std: "docker" "start" "-a" "a7d7ad74f731e833ee65b76133a5e398ce4cbaab0051157e6eb8fde63fa4ccb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a7d7ad74f731e833ee65b76133a5e398ce4cbaab0051157e6eb8fde63fa4ccb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7d7ad74f731e833ee65b76133a5e398ce4cbaab0051157e6eb8fde63fa4ccb9", kill_on_drop: false }` [INFO] [stdout] a7d7ad74f731e833ee65b76133a5e398ce4cbaab0051157e6eb8fde63fa4ccb9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a5ef47e98e90f5ccb9bfac8773f569dfd424af37f6433305672161cc73dc19d [INFO] running `Command { std: "docker" "start" "-a" "7a5ef47e98e90f5ccb9bfac8773f569dfd424af37f6433305672161cc73dc19d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling syn v1.0.9 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking smallvec v1.0.0 [INFO] [stderr] Compiling serde v1.0.103 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking lock_api v0.3.2 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking futures-sink v0.3.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking parking_lot_core v0.7.0 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking parking_lot v0.10.0 [INFO] [stderr] Checking scheduled-thread-pool v0.2.3 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking byteorder v0.5.3 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking r2d2 v0.8.7 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking lz4-compress v0.1.0 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking snap v0.2.5 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking uuid v0.8.1 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking cdrs v2.2.4 [INFO] [stderr] Checking bigdecimal v0.1.0 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling serde_derive v1.0.103 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Checking serde_json v1.0.42 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Checking colored_json v2.1.0 [INFO] [stderr] Checking kass v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/errors.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/errors.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/params.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/types.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `bigdecimal` is imported redundantly [INFO] [stdout] --> src/types.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use bigdecimal; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate bigdecimal; [INFO] [stdout] | ------------------------ the item `bigdecimal` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `uuid` is imported redundantly [INFO] [stdout] --> src/types.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use uuid; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate uuid; [INFO] [stdout] | ------------------ the item `uuid` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `NaiveDate` is imported redundantly [INFO] [stdout] --> src/date_range.rs:154:9 [INFO] [stdout] | [INFO] [stdout] 153 | use super::*; [INFO] [stdout] | -------- the item `NaiveDate` is already imported here [INFO] [stdout] 154 | use chrono::NaiveDate; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [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/errors.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/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 `Result` is imported redundantly [INFO] [stdout] --> src/errors.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/params.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/types.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `bigdecimal` is imported redundantly [INFO] [stdout] --> src/types.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use bigdecimal; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate bigdecimal; [INFO] [stdout] | ------------------------ the item `bigdecimal` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `uuid` is imported redundantly [INFO] [stdout] --> src/types.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use uuid; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate uuid; [INFO] [stdout] | ------------------ the item `uuid` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.14s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: snap v0.2.5 [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" "7a5ef47e98e90f5ccb9bfac8773f569dfd424af37f6433305672161cc73dc19d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a5ef47e98e90f5ccb9bfac8773f569dfd424af37f6433305672161cc73dc19d", kill_on_drop: false }` [INFO] [stdout] 7a5ef47e98e90f5ccb9bfac8773f569dfd424af37f6433305672161cc73dc19d