[INFO] fetching crate cursive_calendar_view 0.8.0...
[INFO] checking cursive_calendar_view-0.8.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate cursive_calendar_view 0.8.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate cursive_calendar_view 0.8.0 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 cursive_calendar_view 0.8.0
[INFO] finished tweaking crates.io crate cursive_calendar_view 0.8.0
[INFO] tweaked toml for crates.io crate cursive_calendar_view 0.8.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate cursive_calendar_view 0.8.0 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 num v0.4.0
[INFO] [stderr]   Downloaded time v0.3.5
[INFO] [stderr]   Downloaded darling_macro v0.13.1
[INFO] [stderr]   Downloaded wasi v0.10.1+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded enum-map-derive v0.7.0
[INFO] [stderr]   Downloaded term_size v0.3.2
[INFO] [stderr]   Downloaded darling v0.13.1
[INFO] [stderr]   Downloaded ncurses v5.100.0
[INFO] [stderr]   Downloaded cc v1.0.66
[INFO] [stderr]   Downloaded syn v1.0.85
[INFO] [stderr]   Downloaded signal-hook v0.3.4
[INFO] [stderr]   Downloaded libc v0.2.112
[INFO] [stderr]   Downloaded cursive v0.17.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.0
[INFO] [stderr]   Downloaded darling_core v0.13.1
[INFO] [stderr]   Downloaded num-complex v0.4.0
[INFO] [stderr]   Downloaded rand v0.8.2
[INFO] [stderr]   Downloaded once_cell v1.5.2
[INFO] [stderr]   Downloaded ahash v0.7.4
[INFO] [stderr]   Downloaded enum-map v2.0.0
[INFO] [stderr]   Downloaded quote v1.0.14
[INFO] [stderr]   Downloaded enumset_derive v0.5.5
[INFO] [stderr]   Downloaded enumset v1.0.8
[INFO] [stderr]   Downloaded log v0.4.13
[INFO] [stderr]   Downloaded num-iter v0.1.42
[INFO] [stderr]   Downloaded num-rational v0.4.0
[INFO] [stderr]   Downloaded rand_core v0.6.1
[INFO] [stderr]   Downloaded cursive_core v0.3.1
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b7c4c54203bb5a104b67578fd73f08014ec7609a44cea0c6921e9a97750d898
[INFO] running `Command { std: "docker" "start" "-a" "3b7c4c54203bb5a104b67578fd73f08014ec7609a44cea0c6921e9a97750d898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b7c4c54203bb5a104b67578fd73f08014ec7609a44cea0c6921e9a97750d898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b7c4c54203bb5a104b67578fd73f08014ec7609a44cea0c6921e9a97750d898", kill_on_drop: false }`
[INFO] [stdout] 3b7c4c54203bb5a104b67578fd73f08014ec7609a44cea0c6921e9a97750d898
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 837993ad84c4397943a4afbbd18e4e1e87bea46d896fad690503bd5838e76730
[INFO] running `Command { std: "docker" "start" "-a" "837993ad84c4397943a4afbbd18e4e1e87bea46d896fad690503bd5838e76730", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling signal-hook v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]     Checking xi-unicode v0.3.0
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling ncurses v5.100.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking time v0.3.5
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling darling_core v0.13.1
[INFO] [stderr]    Compiling enum-map-derive v0.7.0
[INFO] [stderr]     Checking enum-map v2.0.0
[INFO] [stderr]    Compiling darling_macro v0.13.1
[INFO] [stderr]    Compiling darling v0.13.1
[INFO] [stderr]    Compiling enumset_derive v0.5.5
[INFO] [stderr]     Checking enumset v1.0.8
[INFO] [stderr]     Checking cursive_core v0.3.1
[INFO] [stderr]     Checking cursive v0.17.0
[INFO] [stderr]     Checking cursive_calendar_view v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TimeZone` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use chrono::offset::TimeZone;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 22 | use chrono::prelude::*;
[INFO] [stdout]    |     ------------------ the item `TimeZone` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `cursive` is imported redundantly
[INFO] [stdout]  --> examples/basic.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cursive;
[INFO] [stdout]   |     ^^^^^^^ the item `cursive` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TimeZone` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use chrono::offset::TimeZone;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 22 | use chrono::prelude::*;
[INFO] [stdout]    |     ------------------ the item `TimeZone` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `cursive` is imported redundantly
[INFO] [stdout]  --> examples/double.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cursive;
[INFO] [stdout]   |     ^^^^^^^ the item `cursive` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.02s
[INFO] running `Command { std: "docker" "inspect" "837993ad84c4397943a4afbbd18e4e1e87bea46d896fad690503bd5838e76730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "837993ad84c4397943a4afbbd18e4e1e87bea46d896fad690503bd5838e76730", kill_on_drop: false }`
[INFO] [stdout] 837993ad84c4397943a4afbbd18e4e1e87bea46d896fad690503bd5838e76730