[INFO] updating cached repository slo1/torrent
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/slo1/torrent
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/slo1/torrent" "work/ex/beta-1.38-1/sources/1.37.0/gh/slo1/torrent"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/slo1/torrent'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/slo1/torrent" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/slo1/torrent"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/slo1/torrent'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f533d20a1ceca6733800d52e2e0bff324a615a1c
[INFO] sha for GitHub repo slo1/torrent: f533d20a1ceca6733800d52e2e0bff324a615a1c
[INFO] validating manifest of slo1/torrent 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 slo1/torrent 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 slo1/torrent
[INFO] finished frobbing slo1/torrent
[INFO] frobbed toml for slo1/torrent written to work/ex/beta-1.38-1/sources/1.37.0/gh/slo1/torrent/Cargo.toml
[INFO] started frobbing slo1/torrent
[INFO] finished frobbing slo1/torrent
[INFO] frobbed toml for slo1/torrent written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/slo1/torrent/Cargo.toml
[INFO] crate slo1/torrent 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 slo1/torrent 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/slo1/torrent:/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] 473faf9900782fd8448ff9c0a110e9c89282a167bc385fb86704f4887b6f4ba7
[INFO] running `"docker" "start" "-a" "473faf9900782fd8448ff9c0a110e9c89282a167bc385fb86704f4887b6f4ba7"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling tokio-threadpool v0.1.9
[INFO] [stderr]    Compiling tokio-reactor v0.1.7
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-uds v0.2.4
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.13
[INFO] [stderr]    Compiling hyper v0.12.19
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling reqwest v0.9.5
[INFO] [stderr]    Compiling torrent v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bencode.rs:70:55
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub fn decode(bytes: &[u8]) -> Result<BencodeVal, Box<std::error::Error>> {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bencode.rs:83:55
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn decode_int(bytes: &[u8]) -> Result<BencodeVal, Box<std::error::Error>> {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bencode.rs:133:55
[INFO] [stderr]     |
[INFO] [stderr] 133 | fn decode_str(bytes: &[u8]) -> Result<BencodeVal, Box<std::error::Error>> {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bencode.rs:162:56
[INFO] [stderr]     |
[INFO] [stderr] 162 | fn decode_list(bytes: &[u8]) -> Result<BencodeVal, Box<std::error::Error>> {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bencode.rs:265:56
[INFO] [stderr]     |
[INFO] [stderr] 265 | fn decode_dict(bytes: &[u8]) -> Result<BencodeVal, Box<std::error::Error>> {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/download.rs:265:34
[INFO] [stderr]     |
[INFO] [stderr] 265 | ) -> Result<Option<PeerMsg>, Box<std::error::Error>> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/download.rs:302:28
[INFO] [stderr]     |
[INFO] [stderr] 302 | ) -> Result<TcpStream, Box<std::error::Error>> {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:38:38
[INFO] [stderr]    |
[INFO] [stderr] 38 |     ) -> Result<TorrentMetaInfo, Box<std::error::Error>> {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bencode.rs:70:55
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub fn decode(bytes: &[u8]) -> Result<BencodeVal, Box<std::error::Error>> {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bencode.rs:83:55
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn decode_int(bytes: &[u8]) -> Result<BencodeVal, Box<std::error::Error>> {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bencode.rs:133:55
[INFO] [stderr]     |
[INFO] [stderr] 133 | fn decode_str(bytes: &[u8]) -> Result<BencodeVal, Box<std::error::Error>> {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bencode.rs:162:56
[INFO] [stderr]     |
[INFO] [stderr] 162 | fn decode_list(bytes: &[u8]) -> Result<BencodeVal, Box<std::error::Error>> {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bencode.rs:265:56
[INFO] [stderr]     |
[INFO] [stderr] 265 | fn decode_dict(bytes: &[u8]) -> Result<BencodeVal, Box<std::error::Error>> {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:132:28
[INFO] [stderr]     |
[INFO] [stderr] 132 | ) -> Result<Vec<Peer>, Box<std::error::Error>> {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.39s
[INFO] running `"docker" "inspect" "473faf9900782fd8448ff9c0a110e9c89282a167bc385fb86704f4887b6f4ba7"`
[INFO] running `"docker" "rm" "-f" "473faf9900782fd8448ff9c0a110e9c89282a167bc385fb86704f4887b6f4ba7"`
[INFO] [stdout] 473faf9900782fd8448ff9c0a110e9c89282a167bc385fb86704f4887b6f4ba7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/slo1/torrent:/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] 5bfaaa0054f5bd0dfc5326f441fccb4a44cca4e9a78f7f07da8956c0fd61090a
[INFO] running `"docker" "start" "-a" "5bfaaa0054f5bd0dfc5326f441fccb4a44cca4e9a78f7f07da8956c0fd61090a"`
[INFO] [stderr]    Compiling torrent v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bencode.rs:70:55
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub fn decode(bytes: &[u8]) -> Result<BencodeVal, Box<std::error::Error>> {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bencode.rs:83:55
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn decode_int(bytes: &[u8]) -> Result<BencodeVal, Box<std::error::Error>> {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bencode.rs:133:55
[INFO] [stderr]     |
[INFO] [stderr] 133 | fn decode_str(bytes: &[u8]) -> Result<BencodeVal, Box<std::error::Error>> {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bencode.rs:162:56
[INFO] [stderr]     |
[INFO] [stderr] 162 | fn decode_list(bytes: &[u8]) -> Result<BencodeVal, Box<std::error::Error>> {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bencode.rs:265:56
[INFO] [stderr]     |
[INFO] [stderr] 265 | fn decode_dict(bytes: &[u8]) -> Result<BencodeVal, Box<std::error::Error>> {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/download.rs:265:34
[INFO] [stderr]     |
[INFO] [stderr] 265 | ) -> Result<Option<PeerMsg>, Box<std::error::Error>> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/download.rs:302:28
[INFO] [stderr]     |
[INFO] [stderr] 302 | ) -> Result<TcpStream, Box<std::error::Error>> {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:38:38
[INFO] [stderr]    |
[INFO] [stderr] 38 |     ) -> Result<TorrentMetaInfo, Box<std::error::Error>> {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bencode.rs:70:55
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub fn decode(bytes: &[u8]) -> Result<BencodeVal, Box<std::error::Error>> {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bencode.rs:83:55
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn decode_int(bytes: &[u8]) -> Result<BencodeVal, Box<std::error::Error>> {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bencode.rs:133:55
[INFO] [stderr]     |
[INFO] [stderr] 133 | fn decode_str(bytes: &[u8]) -> Result<BencodeVal, Box<std::error::Error>> {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bencode.rs:162:56
[INFO] [stderr]     |
[INFO] [stderr] 162 | fn decode_list(bytes: &[u8]) -> Result<BencodeVal, Box<std::error::Error>> {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bencode.rs:265:56
[INFO] [stderr]     |
[INFO] [stderr] 265 | fn decode_dict(bytes: &[u8]) -> Result<BencodeVal, Box<std::error::Error>> {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:132:28
[INFO] [stderr]     |
[INFO] [stderr] 132 | ) -> Result<Vec<Peer>, Box<std::error::Error>> {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `"docker" "inspect" "5bfaaa0054f5bd0dfc5326f441fccb4a44cca4e9a78f7f07da8956c0fd61090a"`
[INFO] running `"docker" "rm" "-f" "5bfaaa0054f5bd0dfc5326f441fccb4a44cca4e9a78f7f07da8956c0fd61090a"`
[INFO] [stdout] 5bfaaa0054f5bd0dfc5326f441fccb4a44cca4e9a78f7f07da8956c0fd61090a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/slo1/torrent:/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] 013af7c6b1bc38fe1f953841abcf0372cd1c323e1aea76e0d519f9537e0cd46e
[INFO] running `"docker" "start" "-a" "013af7c6b1bc38fe1f953841abcf0372cd1c323e1aea76e0d519f9537e0cd46e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/torrent-f2e1fd6de8473cfc
[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] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/torrent-0b2bb8d6fd9631a7
[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 torrent
[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" "013af7c6b1bc38fe1f953841abcf0372cd1c323e1aea76e0d519f9537e0cd46e"`
[INFO] running `"docker" "rm" "-f" "013af7c6b1bc38fe1f953841abcf0372cd1c323e1aea76e0d519f9537e0cd46e"`
[INFO] [stdout] 013af7c6b1bc38fe1f953841abcf0372cd1c323e1aea76e0d519f9537e0cd46e