[INFO] fetching crate ubuntu-distro-info 0.3.0...
[INFO] checking ubuntu-distro-info-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate ubuntu-distro-info 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ubuntu-distro-info 0.3.0 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 ubuntu-distro-info 0.3.0
[INFO] finished tweaking crates.io crate ubuntu-distro-info 0.3.0
[INFO] tweaked toml for crates.io crate ubuntu-distro-info 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 66 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding distro-info v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding strsim v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[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 distro-info v0.3.0
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c45357b23eff2ade26f5739e89f13e9852e4c020a6d288dd18fc3418822e7927
[INFO] running `Command { std: "docker" "start" "-a" "c45357b23eff2ade26f5739e89f13e9852e4c020a6d288dd18fc3418822e7927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c45357b23eff2ade26f5739e89f13e9852e4c020a6d288dd18fc3418822e7927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45357b23eff2ade26f5739e89f13e9852e4c020a6d288dd18fc3418822e7927", kill_on_drop: false }`
[INFO] [stdout] c45357b23eff2ade26f5739e89f13e9852e4c020a6d288dd18fc3418822e7927
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2df9ef06016d7d1bd11f720a57c43de5eab1356055b348edf9fad224cc0c7a1
[INFO] running `Command { std: "docker" "start" "-a" "e2df9ef06016d7d1bd11f720a57c43de5eab1356055b348edf9fad224cc0c7a1", kill_on_drop: false }`
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking distro-info v0.3.0
[INFO] [stderr]     Checking ubuntu-distro-info v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDate::from_ymd`: use `from_ymd_opt()` instead
[INFO] [stdout]   --> src/main.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |     NaiveDate::from_ymd(now.year(), now.month(), now.day())
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDate::from_ymd`: use `from_ymd_opt()` instead
[INFO] [stdout]   --> src/main.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |     NaiveDate::from_ymd(now.year(), now.month(), now.day())
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&DistroRelease` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:206:42
[INFO] [stdout]     |
[INFO] [stdout] 206 |         vec![lts_releases.last().unwrap().clone()]
[INFO] [stdout]     |                                          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&DistroRelease` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:208:64
[INFO] [stdout]     |
[INFO] [stdout] 208 |         vec![ubuntu_distro_info.supported(date).last().unwrap().clone()]
[INFO] [stdout]     |                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&DistroRelease` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:206:42
[INFO] [stdout]     |
[INFO] [stdout] 206 |         vec![lts_releases.last().unwrap().clone()]
[INFO] [stdout]     |                                          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&DistroRelease` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:208:64
[INFO] [stdout]     |
[INFO] [stdout] 208 |         vec![ubuntu_distro_info.supported(date).last().unwrap().clone()]
[INFO] [stdout]     |                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "e2df9ef06016d7d1bd11f720a57c43de5eab1356055b348edf9fad224cc0c7a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2df9ef06016d7d1bd11f720a57c43de5eab1356055b348edf9fad224cc0c7a1", kill_on_drop: false }`
[INFO] [stdout] e2df9ef06016d7d1bd11f720a57c43de5eab1356055b348edf9fad224cc0c7a1