[INFO] updating cached repository youzan/show-me-the-code
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/youzan/show-me-the-code
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/youzan/show-me-the-code" "work/ex/beta-1.38-1/sources/1.37.0/gh/youzan/show-me-the-code"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/youzan/show-me-the-code'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/youzan/show-me-the-code" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/youzan/show-me-the-code"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/youzan/show-me-the-code'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e67391973718953c79e5e5395d05f2e3bb69062a
[INFO] sha for GitHub repo youzan/show-me-the-code: e67391973718953c79e5e5395d05f2e3bb69062a
[INFO] validating manifest of youzan/show-me-the-code 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 youzan/show-me-the-code 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 youzan/show-me-the-code
[INFO] finished frobbing youzan/show-me-the-code
[INFO] frobbed toml for youzan/show-me-the-code written to work/ex/beta-1.38-1/sources/1.37.0/gh/youzan/show-me-the-code/Cargo.toml
[INFO] started frobbing youzan/show-me-the-code
[INFO] finished frobbing youzan/show-me-the-code
[INFO] frobbed toml for youzan/show-me-the-code written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/youzan/show-me-the-code/Cargo.toml
[INFO] crate youzan/show-me-the-code 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing youzan/show-me-the-code 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/youzan/show-me-the-code:/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] 0029899df2f4c0dfc7c95ad82950ba7713ae42bad5ccc1ffe619c476da8e4b23
[INFO] running `"docker" "start" "-a" "0029899df2f4c0dfc7c95ad82950ba7713ae42bad5ccc1ffe619c476da8e4b23"`
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling stable_deref_trait v1.1.0
[INFO] [stderr]    Compiling serde v1.0.69
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling termcolor v1.0.2
[INFO] [stderr]    Compiling lazycell v1.0.0
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling actix-web v0.7.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling socket2 v0.3.7
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling base64 v0.9.2
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling tokio-timer v0.2.4
[INFO] [stderr]    Compiling resolv-conf v0.6.1
[INFO] [stderr]    Compiling mio v0.6.15
[INFO] [stderr]    Compiling tokio-io v0.1.7
[INFO] [stderr]    Compiling http v0.1.10
[INFO] [stderr]    Compiling lock_api v0.1.3
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling phf_shared v0.7.22
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling ring v0.13.2
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling tokio-threadpool v0.1.4
[INFO] [stderr]    Compiling mime v0.3.8
[INFO] [stderr]    Compiling env_logger v0.5.12
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]    Compiling phf v0.7.22
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling parking_lot v0.6.3
[INFO] [stderr]    Compiling tokio-reactor v0.1.2
[INFO] [stderr]    Compiling mio-uds v0.6.6
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.7.0/src/form_urlencoded.rs:261:40
[INFO] [stderr]     |
[INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 261 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling crossbeam-channel v0.2.4
[INFO] [stderr]    Compiling tokio-fs v0.1.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio-udp v0.1.1
[INFO] [stderr]    Compiling tokio-signal v0.2.2
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.5
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling flate2 v1.0.1
[INFO] [stderr]    Compiling h2 v0.1.10
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling error-chain v0.1.12
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling trust-dns-proto v0.4.0
[INFO] [stderr]    Compiling dotenv v0.13.0
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling cookie v0.11.0
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling serde_json v1.0.22
[INFO] [stderr]    Compiling actix_derive v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.69
[INFO] [stderr]    Compiling trust-dns-resolver v0.9.1
[INFO] [stderr]    Compiling actix v0.7.3
[INFO] [stderr]    Compiling show-me-the-code v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Msg` is imported redundantly
[INFO] [stderr]    --> src/server.rs:103:35
[INFO] [stderr]     |
[INFO] [stderr] 8   | use super::msg::Msg;
[INFO] [stderr]     |     --------------- the item `Msg` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 103 |         use super::msg::{JoinRes, Msg, SendMsg};
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 01s
[INFO] running `"docker" "inspect" "0029899df2f4c0dfc7c95ad82950ba7713ae42bad5ccc1ffe619c476da8e4b23"`
[INFO] running `"docker" "rm" "-f" "0029899df2f4c0dfc7c95ad82950ba7713ae42bad5ccc1ffe619c476da8e4b23"`
[INFO] [stdout] 0029899df2f4c0dfc7c95ad82950ba7713ae42bad5ccc1ffe619c476da8e4b23
[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/youzan/show-me-the-code:/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] 8ce8c2fcbccb9e9c00aa5cf36a69e4de3fcbd572d5d32bcb64bf8a85dd7655e1
[INFO] running `"docker" "start" "-a" "8ce8c2fcbccb9e9c00aa5cf36a69e4de3fcbd572d5d32bcb64bf8a85dd7655e1"`
[INFO] [stderr]    Compiling show-me-the-code v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Msg` is imported redundantly
[INFO] [stderr]    --> src/server.rs:103:35
[INFO] [stderr]     |
[INFO] [stderr] 8   | use super::msg::Msg;
[INFO] [stderr]     |     --------------- the item `Msg` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 103 |         use super::msg::{JoinRes, Msg, SendMsg};
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "8ce8c2fcbccb9e9c00aa5cf36a69e4de3fcbd572d5d32bcb64bf8a85dd7655e1"`
[INFO] running `"docker" "rm" "-f" "8ce8c2fcbccb9e9c00aa5cf36a69e4de3fcbd572d5d32bcb64bf8a85dd7655e1"`
[INFO] [stdout] 8ce8c2fcbccb9e9c00aa5cf36a69e4de3fcbd572d5d32bcb64bf8a85dd7655e1
[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/youzan/show-me-the-code:/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] ac71b4a5713145d7be85f2345efb69d07546c9cc4f68705fb10e4031a1a4873d
[INFO] running `"docker" "start" "-a" "ac71b4a5713145d7be85f2345efb69d07546c9cc4f68705fb10e4031a1a4873d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/show_me_the_code-5a51fbf5ebaf035c
[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" "ac71b4a5713145d7be85f2345efb69d07546c9cc4f68705fb10e4031a1a4873d"`
[INFO] running `"docker" "rm" "-f" "ac71b4a5713145d7be85f2345efb69d07546c9cc4f68705fb10e4031a1a4873d"`
[INFO] [stdout] ac71b4a5713145d7be85f2345efb69d07546c9cc4f68705fb10e4031a1a4873d