[INFO] fetching crate rucron 0.1.5...
[INFO] checking rucron-0.1.5 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate rucron 0.1.5 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate rucron 0.1.5 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 rucron 0.1.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rucron 0.1.5
[INFO] tweaked toml for crates.io crate rucron 0.1.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate rucron 0.1.5 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustix v0.38.18
[INFO] [stderr]   Downloaded select-macro-utils v0.2.0
[INFO] [stderr]   Downloaded event-listener v3.0.0
[INFO] [stderr]   Downloaded parking v2.1.1
[INFO] [stderr]   Downloaded async-executor v1.5.4
[INFO] [stderr]   Downloaded async-signal v0.2.4
[INFO] [stderr]   Downloaded select-macro v0.2.0
[INFO] [stderr]   Downloaded rustix v0.37.24
[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] 4c585f7def290a02400d965b99cda2fa7d808605aa94015afe8b79a0afeb6199
[INFO] running `Command { std: "docker" "start" "-a" "4c585f7def290a02400d965b99cda2fa7d808605aa94015afe8b79a0afeb6199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c585f7def290a02400d965b99cda2fa7d808605aa94015afe8b79a0afeb6199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c585f7def290a02400d965b99cda2fa7d808605aa94015afe8b79a0afeb6199", kill_on_drop: false }`
[INFO] [stdout] 4c585f7def290a02400d965b99cda2fa7d808605aa94015afe8b79a0afeb6199
[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] 40d251ccbc0bb931232c63bb83d5ae4c5b6c1c844487dc3e9b1290b56feeadb8
[INFO] running `Command { std: "docker" "start" "-a" "40d251ccbc0bb931232c63bb83d5ae4c5b6c1c844487dc3e9b1290b56feeadb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking hashbrown v0.14.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]    Compiling select-macro-utils v0.2.0
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking redis v0.22.3
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking select-macro v0.2.0
[INFO] [stderr]     Checking rucron v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 | use serde_json;
[INFO] [stdout]     |     ^^^^^^^^^^ the item `serde_json` 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 `serde_json` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 | use serde_json;
[INFO] [stdout]     |     ^^^^^^^^^^ the item `serde_json` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.53s
[INFO] running `Command { std: "docker" "inspect" "40d251ccbc0bb931232c63bb83d5ae4c5b6c1c844487dc3e9b1290b56feeadb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40d251ccbc0bb931232c63bb83d5ae4c5b6c1c844487dc3e9b1290b56feeadb8", kill_on_drop: false }`
[INFO] [stdout] 40d251ccbc0bb931232c63bb83d5ae4c5b6c1c844487dc3e9b1290b56feeadb8