[INFO] updating cached repository int0x33/r3
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/int0x33/r3
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/int0x33/r3" "work/ex/beta-1.38-1/sources/1.37.0/gh/int0x33/r3"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/int0x33/r3'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/int0x33/r3" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/int0x33/r3"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/int0x33/r3'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 620008f20bb8f32a1adedda606bbb6d3f9a4cf9d
[INFO] sha for GitHub repo int0x33/r3: 620008f20bb8f32a1adedda606bbb6d3f9a4cf9d
[INFO] validating manifest of int0x33/r3 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 int0x33/r3 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 int0x33/r3
[INFO] finished frobbing int0x33/r3
[INFO] frobbed toml for int0x33/r3 written to work/ex/beta-1.38-1/sources/1.37.0/gh/int0x33/r3/Cargo.toml
[INFO] started frobbing int0x33/r3
[INFO] finished frobbing int0x33/r3
[INFO] frobbed toml for int0x33/r3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/int0x33/r3/Cargo.toml
[INFO] crate int0x33/r3 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] [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 int0x33/r3 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/int0x33/r3:/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] 473908958a17b0b4e7b03393439588867dd9b63aae696c4c66c73e37567bfac0
[INFO] running `"docker" "start" "-a" "473908958a17b0b4e7b03393439588867dd9b63aae696c4c66c73e37567bfac0"`
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling encoding_rs v0.8.16
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling tokio-reactor v0.1.8
[INFO] [stderr]    Compiling tendril v0.3.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling crossbeam v0.6.0
[INFO] [stderr]    Compiling string_cache v0.6.2
[INFO] [stderr]    Compiling markup5ever v0.3.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-threadpool v0.1.11
[INFO] [stderr]    Compiling tokio v0.1.15
[INFO] [stderr]    Compiling hyper v0.12.24
[INFO] [stderr]    Compiling html5ever v0.18.0
[INFO] [stderr]    Compiling select v0.4.2
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling reqwest v0.9.9
[INFO] [stderr]    Compiling r3 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `get_tcp`
[INFO] [stderr]   --> src/main.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn get_tcp(url: &str) -> Result<(), Error>
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `"docker" "inspect" "473908958a17b0b4e7b03393439588867dd9b63aae696c4c66c73e37567bfac0"`
[INFO] running `"docker" "rm" "-f" "473908958a17b0b4e7b03393439588867dd9b63aae696c4c66c73e37567bfac0"`
[INFO] [stdout] 473908958a17b0b4e7b03393439588867dd9b63aae696c4c66c73e37567bfac0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/int0x33/r3:/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] 07c338ded08c5a8f2c5856486b495fa5ffc0792b144fb9b5b7780a423ade1776
[INFO] running `"docker" "start" "-a" "07c338ded08c5a8f2c5856486b495fa5ffc0792b144fb9b5b7780a423ade1776"`
[INFO] [stderr]    Compiling r3 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `get_tcp`
[INFO] [stderr]   --> src/main.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn get_tcp(url: &str) -> Result<(), Error>
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `"docker" "inspect" "07c338ded08c5a8f2c5856486b495fa5ffc0792b144fb9b5b7780a423ade1776"`
[INFO] running `"docker" "rm" "-f" "07c338ded08c5a8f2c5856486b495fa5ffc0792b144fb9b5b7780a423ade1776"`
[INFO] [stdout] 07c338ded08c5a8f2c5856486b495fa5ffc0792b144fb9b5b7780a423ade1776
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/int0x33/r3:/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] 35a9276042606b39bf15885b1e74c6cd3d134ed27a1f271b9afd82377bd18f7e
[INFO] running `"docker" "start" "-a" "35a9276042606b39bf15885b1e74c6cd3d134ed27a1f271b9afd82377bd18f7e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/r3-be1fb649cb4fe92c
[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" "35a9276042606b39bf15885b1e74c6cd3d134ed27a1f271b9afd82377bd18f7e"`
[INFO] running `"docker" "rm" "-f" "35a9276042606b39bf15885b1e74c6cd3d134ed27a1f271b9afd82377bd18f7e"`
[INFO] [stdout] 35a9276042606b39bf15885b1e74c6cd3d134ed27a1f271b9afd82377bd18f7e