[INFO] updating cached repository whitfin/s3-concat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/whitfin/s3-concat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/whitfin/s3-concat" "work/ex/beta-1.38-1/sources/1.37.0/gh/whitfin/s3-concat"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/whitfin/s3-concat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/whitfin/s3-concat" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/whitfin/s3-concat"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/whitfin/s3-concat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8b5f8a843e5482ea532633a92fdbcdb9707bf112
[INFO] sha for GitHub repo whitfin/s3-concat: 8b5f8a843e5482ea532633a92fdbcdb9707bf112
[INFO] validating manifest of whitfin/s3-concat on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of whitfin/s3-concat on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing whitfin/s3-concat
[INFO] finished frobbing whitfin/s3-concat
[INFO] frobbed toml for whitfin/s3-concat written to work/ex/beta-1.38-1/sources/1.37.0/gh/whitfin/s3-concat/Cargo.toml
[INFO] started frobbing whitfin/s3-concat
[INFO] finished frobbing whitfin/s3-concat
[INFO] frobbed toml for whitfin/s3-concat written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/whitfin/s3-concat/Cargo.toml
[INFO] crate whitfin/s3-concat already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing whitfin/s3-concat against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/whitfin/s3-concat:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ec801a6f2fa5ce2dc782318b06b148165bb389b3ca14b844d8daceb91518a6df
[INFO] running `"docker" "start" "-a" "ec801a6f2fa5ce2dc782318b06b148165bb389b3ca14b844d8daceb91518a6df"`
[INFO] [stderr]    Compiling ucd-util v0.1.2
[INFO] [stderr]    Compiling dirs v1.0.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling bytes v0.4.10
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling encoding_rs v0.8.10
[INFO] [stderr]    Compiling rusoto_core v0.35.0
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]    Compiling url v1.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling http v0.1.13
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling tokio-reactor v0.1.6
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling tokio-uds v0.2.3
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling h2 v0.1.13
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling tokio v0.1.11
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling hyper v0.12.13
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling quick-xml v0.12.4
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling rusoto_credential v0.14.0
[INFO] [stderr]    Compiling rusoto_s3 v0.35.0
[INFO] [stderr]    Compiling s3-concat v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/main.rs:38:10
[INFO] [stderr]    |
[INFO] [stderr] 38 |         .trim_left_matches("s3://")
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/main.rs:47:14
[INFO] [stderr]    |
[INFO] [stderr] 47 |             .trim_right_matches('/')
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 40s
[INFO] running `"docker" "inspect" "ec801a6f2fa5ce2dc782318b06b148165bb389b3ca14b844d8daceb91518a6df"`
[INFO] running `"docker" "rm" "-f" "ec801a6f2fa5ce2dc782318b06b148165bb389b3ca14b844d8daceb91518a6df"`
[INFO] [stdout] ec801a6f2fa5ce2dc782318b06b148165bb389b3ca14b844d8daceb91518a6df
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/whitfin/s3-concat:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6743370e9cf5a738aff01e085e088130b0036178798de4aff2ef48a0e95bd86a
[INFO] running `"docker" "start" "-a" "6743370e9cf5a738aff01e085e088130b0036178798de4aff2ef48a0e95bd86a"`
[INFO] [stderr]    Compiling s3-concat v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/main.rs:38:10
[INFO] [stderr]    |
[INFO] [stderr] 38 |         .trim_left_matches("s3://")
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/main.rs:47:14
[INFO] [stderr]    |
[INFO] [stderr] 47 |             .trim_right_matches('/')
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.32s
[INFO] running `"docker" "inspect" "6743370e9cf5a738aff01e085e088130b0036178798de4aff2ef48a0e95bd86a"`
[INFO] running `"docker" "rm" "-f" "6743370e9cf5a738aff01e085e088130b0036178798de4aff2ef48a0e95bd86a"`
[INFO] [stdout] 6743370e9cf5a738aff01e085e088130b0036178798de4aff2ef48a0e95bd86a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/whitfin/s3-concat:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 7ce3dd0500b4e3fe004b23212e1edcbbeddc779e7922c94bb77b05c7b7ed412e
[INFO] running `"docker" "start" "-a" "7ce3dd0500b4e3fe004b23212e1edcbbeddc779e7922c94bb77b05c7b7ed412e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/s3_concat-449f7725a7348391
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test types::tests::converting_str_to_error ... ok
[INFO] [stdout] test types::tests::converting_rusoto_to_error ... ok
[INFO] [stdout] test types::tests::converting_string_to_error ... ok
[INFO] [stdout] test types::tests::converting_io_to_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7ce3dd0500b4e3fe004b23212e1edcbbeddc779e7922c94bb77b05c7b7ed412e"`
[INFO] running `"docker" "rm" "-f" "7ce3dd0500b4e3fe004b23212e1edcbbeddc779e7922c94bb77b05c7b7ed412e"`
[INFO] [stdout] 7ce3dd0500b4e3fe004b23212e1edcbbeddc779e7922c94bb77b05c7b7ed412e