[INFO] crate mtcp 0.1.0 is already in cache
[INFO] extracting crate mtcp 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/mtcp/0.1.0
[INFO] extracting crate mtcp 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mtcp/0.1.0
[INFO] validating manifest of mtcp-0.1.0 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 mtcp-0.1.0 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 mtcp-0.1.0
[INFO] finished frobbing mtcp-0.1.0
[INFO] frobbed toml for mtcp-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mtcp/0.1.0/Cargo.toml
[INFO] started frobbing mtcp-0.1.0
[INFO] finished frobbing mtcp-0.1.0
[INFO] frobbed toml for mtcp-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mtcp/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mtcp-0.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mtcp/0.1.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] cb62dd385b22f4e931c830d13b1254ad21ee455e7588247594f924db18e88d18
[INFO] running `"docker" "start" "-a" "cb62dd385b22f4e931c830d13b1254ad21ee455e7588247594f924db18e88d18"`
[INFO] [stderr]    Compiling mtcp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling docopt v0.7.0
[INFO] [stderr] warning: use of deprecated item 'gcc::Config': gcc::Config has been renamed to gcc::Build
[INFO] [stderr]  --> build.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     gcc::Config::new()
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'gcc::Config': gcc::Config has been renamed to gcc::Build
[INFO] [stderr]   --> build.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     gcc::Config::new()
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'gcc::Build::new': crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stderr]  --> build.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     gcc::Config::new()
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'gcc::Build::new': crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stderr]   --> build.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     gcc::Config::new()
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: cbits/checksum.c: In function 'ip_checksum_1':
[INFO] [stderr] warning: cbits/checksum.c:14:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
[INFO] [stderr] warning:   for (i = 0; i < size - 1; i += 2)
[INFO] [stderr] warning:                 ^
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.35s
[INFO] running `"docker" "inspect" "cb62dd385b22f4e931c830d13b1254ad21ee455e7588247594f924db18e88d18"`
[INFO] running `"docker" "rm" "-f" "cb62dd385b22f4e931c830d13b1254ad21ee455e7588247594f924db18e88d18"`
[INFO] [stdout] cb62dd385b22f4e931c830d13b1254ad21ee455e7588247594f924db18e88d18
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mtcp/0.1.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fec0237ce821135b35cdaf05af9fa0731cb5d35db79a0b63b224e7fe075f27e2
[INFO] running `"docker" "start" "-a" "fec0237ce821135b35cdaf05af9fa0731cb5d35db79a0b63b224e7fe075f27e2"`
[INFO] [stderr] warning: cbits/checksum.c: In function 'ip_checksum_1':
[INFO] [stderr] warning: cbits/checksum.c:14:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
[INFO] [stderr] warning:   for (i = 0; i < size - 1; i += 2)
[INFO] [stderr] warning:                 ^
[INFO] [stderr]    Compiling mtcp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `"docker" "inspect" "fec0237ce821135b35cdaf05af9fa0731cb5d35db79a0b63b224e7fe075f27e2"`
[INFO] running `"docker" "rm" "-f" "fec0237ce821135b35cdaf05af9fa0731cb5d35db79a0b63b224e7fe075f27e2"`
[INFO] [stdout] fec0237ce821135b35cdaf05af9fa0731cb5d35db79a0b63b224e7fe075f27e2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mtcp/0.1.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 4b810f793003abe241165671e88b1e6da6743a053946a51e370a91e79ffcd63e
[INFO] running `"docker" "start" "-a" "4b810f793003abe241165671e88b1e6da6743a053946a51e370a91e79ffcd63e"`
[INFO] [stderr] warning: cbits/checksum.c: In function 'ip_checksum_1':
[INFO] [stderr] warning: cbits/checksum.c:14:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
[INFO] [stderr] warning:   for (i = 0; i < size - 1; i += 2)
[INFO] [stderr] warning:                 ^
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mtcp-24aee4d064abe75f
[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] [stderr]      Running /opt/crater/target/debug/deps/mtcp-66d5af50090bb06d
[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] [stderr]    Doc-tests mtcp
[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" "4b810f793003abe241165671e88b1e6da6743a053946a51e370a91e79ffcd63e"`
[INFO] running `"docker" "rm" "-f" "4b810f793003abe241165671e88b1e6da6743a053946a51e370a91e79ffcd63e"`
[INFO] [stdout] 4b810f793003abe241165671e88b1e6da6743a053946a51e370a91e79ffcd63e