[INFO] updating cached repository dat2/csv-aggregator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dat2/csv-aggregator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dat2/csv-aggregator" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/dat2/csv-aggregator"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/dat2/csv-aggregator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dat2/csv-aggregator" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/dat2/csv-aggregator"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/dat2/csv-aggregator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ff00876adf350ccbd5bf04b02e558347a7f0971f
[INFO] sha for GitHub repo dat2/csv-aggregator: ff00876adf350ccbd5bf04b02e558347a7f0971f
[INFO] validating manifest of dat2/csv-aggregator on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dat2/csv-aggregator on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dat2/csv-aggregator
[INFO] finished frobbing dat2/csv-aggregator
[INFO] frobbed toml for dat2/csv-aggregator written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/dat2/csv-aggregator/Cargo.toml
[INFO] started frobbing dat2/csv-aggregator
[INFO] finished frobbing dat2/csv-aggregator
[INFO] frobbed toml for dat2/csv-aggregator written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/dat2/csv-aggregator/Cargo.toml
[INFO] crate dat2/csv-aggregator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dat2/csv-aggregator against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/dat2/csv-aggregator:/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b9d449388f0a70d2be206b16b3761a6f5ffcc14f47bbccb5a0bd13e6d3d31fba
[INFO] running `"docker" "start" "-a" "b9d449388f0a70d2be206b16b3761a6f5ffcc14f47bbccb5a0bd13e6d3d31fba"`
[INFO] [stderr]     Checking num-traits v0.1.41
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking serde v1.0.24
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking clap v2.29.0
[INFO] [stderr]     Checking backtrace-sys v0.1.16
[INFO] [stderr]    Compiling serde_derive_internals v0.18.0
[INFO] [stderr]     Checking csv-core v0.1.3
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking backtrace v0.3.4
[INFO] [stderr]     Checking combine v3.0.0-alpha.4
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking float-cmp v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.24
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking csv v1.0.0-beta.5
[INFO] [stderr]     Checking serde_yaml v0.7.3
[INFO] [stderr]     Checking csv-aggregator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/args.rs:31:23
[INFO] [stderr]    |
[INFO] [stderr] 31 |   if let Some(path) = env::home_dir() {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/args.rs:31:23
[INFO] [stderr]    |
[INFO] [stderr] 31 |   if let Some(path) = env::home_dir() {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.70s
[INFO] running `"docker" "inspect" "b9d449388f0a70d2be206b16b3761a6f5ffcc14f47bbccb5a0bd13e6d3d31fba"`
[INFO] running `"docker" "rm" "-f" "b9d449388f0a70d2be206b16b3761a6f5ffcc14f47bbccb5a0bd13e6d3d31fba"`
[INFO] [stdout] b9d449388f0a70d2be206b16b3761a6f5ffcc14f47bbccb5a0bd13e6d3d31fba