[INFO] cloning repository zhaihj/rust-play-ground
[INFO] running `"git" "clone" "--bare" "git://github.com/zhaihj/rust-play-ground.git" "work/cache/sources/gh/zhaihj/rust-play-ground"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/zhaihj/rust-play-ground'...
[INFO] running `"git" "clone" "work/cache/sources/gh/zhaihj/rust-play-ground" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/zhaihj/rust-play-ground"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/zhaihj/rust-play-ground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zhaihj/rust-play-ground" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/zhaihj/rust-play-ground"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/zhaihj/rust-play-ground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7518e53f966e8c30644755ca289ee59c1d0e0a21
[INFO] sha for GitHub repo zhaihj/rust-play-ground: 7518e53f966e8c30644755ca289ee59c1d0e0a21
[INFO] validating manifest of zhaihj/rust-play-ground on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zhaihj/rust-play-ground on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing zhaihj/rust-play-ground
[INFO] finished frobbing zhaihj/rust-play-ground
[INFO] frobbed toml for zhaihj/rust-play-ground written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/zhaihj/rust-play-ground/Cargo.toml
[INFO] started frobbing zhaihj/rust-play-ground
[INFO] finished frobbing zhaihj/rust-play-ground
[INFO] frobbed toml for zhaihj/rust-play-ground written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/zhaihj/rust-play-ground/Cargo.toml
[INFO] crate zhaihj/rust-play-ground already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-serialize v0.3.22
[INFO] [stderr]   Downloaded csv v0.15.0
[INFO] [stderr]   Downloaded libc v0.2.19
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing zhaihj/rust-play-ground against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/zhaihj/rust-play-ground:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] db4c6013c41f7d94615d960e8a7a0a509f2214fb355423dd3b356037cef427ee
[INFO] running `"docker" "start" "-a" "db4c6013c41f7d94615d960e8a7a0a509f2214fb355423dd3b356037cef427ee"`
[INFO] [stderr]    Compiling libc v0.2.19
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling csv-read-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> src/bin/read-csv-matrix.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     f.read_to_string(&mut s);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.86s
[INFO] running `"docker" "inspect" "db4c6013c41f7d94615d960e8a7a0a509f2214fb355423dd3b356037cef427ee"`
[INFO] running `"docker" "rm" "-f" "db4c6013c41f7d94615d960e8a7a0a509f2214fb355423dd3b356037cef427ee"`
[INFO] [stdout] db4c6013c41f7d94615d960e8a7a0a509f2214fb355423dd3b356037cef427ee
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/zhaihj/rust-play-ground:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] fc53445641a58f78fcc1972e2a862ab4d9a4c2ee669bfbc7557afc8450606772
[INFO] running `"docker" "start" "-a" "fc53445641a58f78fcc1972e2a862ab4d9a4c2ee669bfbc7557afc8450606772"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling csv-read-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> src/bin/read-csv-matrix.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     f.read_to_string(&mut s);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "fc53445641a58f78fcc1972e2a862ab4d9a4c2ee669bfbc7557afc8450606772"`
[INFO] running `"docker" "rm" "-f" "fc53445641a58f78fcc1972e2a862ab4d9a4c2ee669bfbc7557afc8450606772"`
[INFO] [stdout] fc53445641a58f78fcc1972e2a862ab4d9a4c2ee669bfbc7557afc8450606772
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/zhaihj/rust-play-ground:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] c47d249e935aea6fd09bcc1de7c9928e47892fbe2b044cfa4ed537cc39f04e28
[INFO] running `"docker" "start" "-a" "c47d249e935aea6fd09bcc1de7c9928e47892fbe2b044cfa4ed537cc39f04e28"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/read_csv_matrix-b220d6f984682400
[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" "c47d249e935aea6fd09bcc1de7c9928e47892fbe2b044cfa4ed537cc39f04e28"`
[INFO] running `"docker" "rm" "-f" "c47d249e935aea6fd09bcc1de7c9928e47892fbe2b044cfa4ed537cc39f04e28"`
[INFO] [stdout] c47d249e935aea6fd09bcc1de7c9928e47892fbe2b044cfa4ed537cc39f04e28