[INFO] updating cached repository Jkillelea/hn-reader-new
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Jkillelea/hn-reader-new
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Jkillelea/hn-reader-new" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/Jkillelea/hn-reader-new"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/Jkillelea/hn-reader-new'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Jkillelea/hn-reader-new" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/Jkillelea/hn-reader-new"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/Jkillelea/hn-reader-new'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 203f2fa3634aaab7cd18fd91b0e3277ec967df3c
[INFO] sha for GitHub repo Jkillelea/hn-reader-new: 203f2fa3634aaab7cd18fd91b0e3277ec967df3c
[INFO] validating manifest of Jkillelea/hn-reader-new on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Jkillelea/hn-reader-new on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Jkillelea/hn-reader-new
[INFO] finished frobbing Jkillelea/hn-reader-new
[INFO] frobbed toml for Jkillelea/hn-reader-new written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/Jkillelea/hn-reader-new/Cargo.toml
[INFO] started frobbing Jkillelea/hn-reader-new
[INFO] finished frobbing Jkillelea/hn-reader-new
[INFO] frobbed toml for Jkillelea/hn-reader-new written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/Jkillelea/hn-reader-new/Cargo.toml
[INFO] crate Jkillelea/hn-reader-new already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Jkillelea/hn-reader-new against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-5/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/Jkillelea/hn-reader-new:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8377a1602e3eb1b42c2b859a060afeca2bd3ce531f7efcb842864f537e43941f
[INFO] running `"docker" "start" "-a" "8377a1602e3eb1b42c2b859a060afeca2bd3ce531f7efcb842864f537e43941f"`
[INFO] [stderr]     Checking hn-reader-new v0.1.0 (/opt/crater/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 4.14s
[INFO] running `"docker" "inspect" "8377a1602e3eb1b42c2b859a060afeca2bd3ce531f7efcb842864f537e43941f"`
[INFO] running `"docker" "rm" "-f" "8377a1602e3eb1b42c2b859a060afeca2bd3ce531f7efcb842864f537e43941f"`
[INFO] [stdout] 8377a1602e3eb1b42c2b859a060afeca2bd3ce531f7efcb842864f537e43941f