[INFO] updating cached repository https://github.com/Jkillelea/hn-reader-new
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 203f2fa3634aaab7cd18fd91b0e3277ec967df3c
[INFO] checking Jkillelea/hn-reader-new against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FJkillelea%2Fhn-reader-new" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jkillelea/hn-reader-new on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Jkillelea/hn-reader-new
[INFO] finished tweaking git repo https://github.com/Jkillelea/hn-reader-new
[INFO] tweaked toml for git repo https://github.com/Jkillelea/hn-reader-new written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Jkillelea/hn-reader-new already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 44cf10cdb17c39f9ed0303c540618a85b700b005d1ee64aafa0ffec2f3f9cae1
[INFO] running `"docker" "start" "-a" "44cf10cdb17c39f9ed0303c540618a85b700b005d1ee64aafa0ffec2f3f9cae1"`
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.4
[INFO] [stderr]     Checking reqwest v0.8.5
[INFO] [stderr]     Checking hn-reader-new v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `serde_json`
[INFO] [stderr]  --> src/article.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use serde_json;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:20:29
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn main() -> Result<(), Box<error::Error>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:46:76
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn char_delimited_string_to_array(string: &String) -> Result<Vec<i32>, Box<error::Error>> {
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json`
[INFO] [stderr]  --> src/article.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use serde_json;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:20:29
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn main() -> Result<(), Box<error::Error>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:46:76
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn char_delimited_string_to_array(string: &String) -> Result<Vec<i32>, Box<error::Error>> {
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.07s
[INFO] running `"docker" "inspect" "44cf10cdb17c39f9ed0303c540618a85b700b005d1ee64aafa0ffec2f3f9cae1"`
[INFO] running `"docker" "rm" "-f" "44cf10cdb17c39f9ed0303c540618a85b700b005d1ee64aafa0ffec2f3f9cae1"`
[INFO] [stdout] 44cf10cdb17c39f9ed0303c540618a85b700b005d1ee64aafa0ffec2f3f9cae1