[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-1.37-6/sources/1.36.0/gh/int0x33/r3"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/int0x33/r3'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/int0x33/r3" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/int0x33/r3"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of int0x33/r3 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing int0x33/r3 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 11f6535fce808247f0ec898eda7fcdd12f4b7623b8e3176841d86adba2bf6539
[INFO] running `"docker" "start" "-a" "11f6535fce808247f0ec898eda7fcdd12f4b7623b8e3176841d86adba2bf6539"`
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling encoding_rs v0.8.16
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling smallvec v0.6.8
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.1
[INFO] [stderr]    Compiling debug_unreachable v0.1.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling tokio-timer v0.2.10
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling tokio-io v0.1.11
[INFO] [stderr]    Compiling http v0.1.15
[INFO] [stderr]    Compiling tendril v0.3.1
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling uuid v0.7.2
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling crossbeam v0.6.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.8
[INFO] [stderr]    Compiling string_cache v0.6.2
[INFO] [stderr]    Compiling markup5ever v0.3.2
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling tokio-threadpool v0.1.11
[INFO] [stderr]    Compiling h2 v0.1.16
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling html5ever v0.18.0
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling tokio v0.1.15
[INFO] [stderr]    Compiling hyper v0.12.24
[INFO] [stderr]    Compiling serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling serde_json v1.0.38
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling select v0.4.2
[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 2m 08s
[INFO] running `"docker" "inspect" "11f6535fce808247f0ec898eda7fcdd12f4b7623b8e3176841d86adba2bf6539"`
[INFO] running `"docker" "rm" "-f" "11f6535fce808247f0ec898eda7fcdd12f4b7623b8e3176841d86adba2bf6539"`
[INFO] [stdout] 11f6535fce808247f0ec898eda7fcdd12f4b7623b8e3176841d86adba2bf6539
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2bd9f7e6df8c9b9bf9c632ac65ac3a68c2d294f4e7a278ba63020834305f2182
[INFO] running `"docker" "start" "-a" "2bd9f7e6df8c9b9bf9c632ac65ac3a68c2d294f4e7a278ba63020834305f2182"`
[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 1.04s
[INFO] running `"docker" "inspect" "2bd9f7e6df8c9b9bf9c632ac65ac3a68c2d294f4e7a278ba63020834305f2182"`
[INFO] running `"docker" "rm" "-f" "2bd9f7e6df8c9b9bf9c632ac65ac3a68c2d294f4e7a278ba63020834305f2182"`
[INFO] [stdout] 2bd9f7e6df8c9b9bf9c632ac65ac3a68c2d294f4e7a278ba63020834305f2182
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] c263b11ee5d02d828f801e04f3d22bd314e37c1063e4db07c55dd863befd6f78
[INFO] running `"docker" "start" "-a" "c263b11ee5d02d828f801e04f3d22bd314e37c1063e4db07c55dd863befd6f78"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/r3-ca867b77462285f2
[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" "c263b11ee5d02d828f801e04f3d22bd314e37c1063e4db07c55dd863befd6f78"`
[INFO] running `"docker" "rm" "-f" "c263b11ee5d02d828f801e04f3d22bd314e37c1063e4db07c55dd863befd6f78"`
[INFO] [stdout] c263b11ee5d02d828f801e04f3d22bd314e37c1063e4db07c55dd863befd6f78