[INFO] updating cached repository adefirmanf/todo-in-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/adefirmanf/todo-in-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/adefirmanf/todo-in-rust" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/adefirmanf/todo-in-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/adefirmanf/todo-in-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/adefirmanf/todo-in-rust" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/adefirmanf/todo-in-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/adefirmanf/todo-in-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f5c4e114ee28d9f6d473fe486f686d4fb0ed3c5b
[INFO] sha for GitHub repo adefirmanf/todo-in-rust: f5c4e114ee28d9f6d473fe486f686d4fb0ed3c5b
[INFO] validating manifest of adefirmanf/todo-in-rust on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of adefirmanf/todo-in-rust on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing adefirmanf/todo-in-rust
[INFO] finished frobbing adefirmanf/todo-in-rust
[INFO] frobbed toml for adefirmanf/todo-in-rust written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/adefirmanf/todo-in-rust/Cargo.toml
[INFO] started frobbing adefirmanf/todo-in-rust
[INFO] finished frobbing adefirmanf/todo-in-rust
[INFO] frobbed toml for adefirmanf/todo-in-rust written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/adefirmanf/todo-in-rust/Cargo.toml
[INFO] crate adefirmanf/todo-in-rust has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing adefirmanf/todo-in-rust against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/adefirmanf/todo-in-rust:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] a6ef3fa8d40b1bbd694cd5c6d821131c0696fdb048d7ce811a25892ae8e22d2f
[INFO] running `"docker" "start" "-a" "a6ef3fa8d40b1bbd694cd5c6d821131c0696fdb048d7ce811a25892ae8e22d2f"`
[INFO] [stderr]    Compiling tokio v0.1.11
[INFO] [stderr]    Compiling hyper v0.12.11
[INFO] [stderr]    Compiling first_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `List`
[INFO] [stderr]   --> src/main.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | struct List{
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.49s
[INFO] running `"docker" "inspect" "a6ef3fa8d40b1bbd694cd5c6d821131c0696fdb048d7ce811a25892ae8e22d2f"`
[INFO] running `"docker" "rm" "-f" "a6ef3fa8d40b1bbd694cd5c6d821131c0696fdb048d7ce811a25892ae8e22d2f"`
[INFO] [stdout] a6ef3fa8d40b1bbd694cd5c6d821131c0696fdb048d7ce811a25892ae8e22d2f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/adefirmanf/todo-in-rust:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] aa2fdbfd57f7e7601f9322f1d64ea9fb9da7d3bca5e5e3d1f4a3da4f17fb0ef6
[INFO] running `"docker" "start" "-a" "aa2fdbfd57f7e7601f9322f1d64ea9fb9da7d3bca5e5e3d1f4a3da4f17fb0ef6"`
[INFO] [stderr]    Compiling first_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `List`
[INFO] [stderr]   --> src/main.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | struct List{
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "aa2fdbfd57f7e7601f9322f1d64ea9fb9da7d3bca5e5e3d1f4a3da4f17fb0ef6"`
[INFO] running `"docker" "rm" "-f" "aa2fdbfd57f7e7601f9322f1d64ea9fb9da7d3bca5e5e3d1f4a3da4f17fb0ef6"`
[INFO] [stdout] aa2fdbfd57f7e7601f9322f1d64ea9fb9da7d3bca5e5e3d1f4a3da4f17fb0ef6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/adefirmanf/todo-in-rust:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 9b486dfb643702ed47ee63fbe94fbe8b4add68ade582bbbf91f63fb7cf72ea6a
[INFO] running `"docker" "start" "-a" "9b486dfb643702ed47ee63fbe94fbe8b4add68ade582bbbf91f63fb7cf72ea6a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/first_rust-e38c00d891b68c7e
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9b486dfb643702ed47ee63fbe94fbe8b4add68ade582bbbf91f63fb7cf72ea6a"`
[INFO] running `"docker" "rm" "-f" "9b486dfb643702ed47ee63fbe94fbe8b4add68ade582bbbf91f63fb7cf72ea6a"`
[INFO] [stdout] 9b486dfb643702ed47ee63fbe94fbe8b4add68ade582bbbf91f63fb7cf72ea6a