[INFO] cloning repository https://github.com/j0lol/feed2cord
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/j0lol/feed2cord" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj0lol%2Ffeed2cord", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj0lol%2Ffeed2cord'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc318064d247e4241277044f9ff84581d9ea0668
[INFO] checking j0lol/feed2cord against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj0lol%2Ffeed2cord" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/j0lol/feed2cord 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 git repo https://github.com/j0lol/feed2cord
[INFO] finished tweaking git repo https://github.com/j0lol/feed2cord
[INFO] tweaked toml for git repo https://github.com/j0lol/feed2cord written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/j0lol/feed2cord 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 feed-rs v1.0.0
[INFO] [stderr]   Downloaded ureq v2.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ed7fa5d2a9d76abf98ec3559a37e104161a06b32133242eba3f6b726c35952ce
[INFO] running `Command { std: "docker" "start" "-a" "ed7fa5d2a9d76abf98ec3559a37e104161a06b32133242eba3f6b726c35952ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed7fa5d2a9d76abf98ec3559a37e104161a06b32133242eba3f6b726c35952ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed7fa5d2a9d76abf98ec3559a37e104161a06b32133242eba3f6b726c35952ce", kill_on_drop: false }`
[INFO] [stdout] ed7fa5d2a9d76abf98ec3559a37e104161a06b32133242eba3f6b726c35952ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b2b48d548939e240591fb5a017a568abfab6643c3cfa4729aa2bd17f1294d327
[INFO] running `Command { std: "docker" "start" "-a" "b2b48d548939e240591fb5a017a568abfab6643c3cfa4729aa2bd17f1294d327", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking once_cell v1.11.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]     Checking siphasher v0.3.10
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking flate2 v1.0.23
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki-roots v0.22.3
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking ureq v2.4.0
[INFO] [stderr]     Checking feed-rs v1.0.0
[INFO] [stderr]     Checking feed2cord v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `toml::value::Array`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use toml::value::Array;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `toml::Value`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use toml::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `toml::value::Array`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use toml::value::Array;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `toml::Value`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use toml::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.32s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b2b48d548939e240591fb5a017a568abfab6643c3cfa4729aa2bd17f1294d327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b48d548939e240591fb5a017a568abfab6643c3cfa4729aa2bd17f1294d327", kill_on_drop: false }`
[INFO] [stdout] b2b48d548939e240591fb5a017a568abfab6643c3cfa4729aa2bd17f1294d327