[INFO] updating cached repository perillamint/rustybox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/perillamint/rustybox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/perillamint/rustybox" "work/ex/beta-1.37-6/sources/1.36.0/gh/perillamint/rustybox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/perillamint/rustybox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/perillamint/rustybox" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/perillamint/rustybox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/perillamint/rustybox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c5313c95e2cb3596f5f9be442f8d820e1724c26f
[INFO] sha for GitHub repo perillamint/rustybox: c5313c95e2cb3596f5f9be442f8d820e1724c26f
[INFO] validating manifest of perillamint/rustybox 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 perillamint/rustybox 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 perillamint/rustybox
[INFO] finished frobbing perillamint/rustybox
[INFO] frobbed toml for perillamint/rustybox written to work/ex/beta-1.37-6/sources/1.36.0/gh/perillamint/rustybox/Cargo.toml
[INFO] started frobbing perillamint/rustybox
[INFO] finished frobbing perillamint/rustybox
[INFO] frobbed toml for perillamint/rustybox written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/perillamint/rustybox/Cargo.toml
[INFO] crate perillamint/rustybox 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[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 perillamint/rustybox 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-1/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/perillamint/rustybox:/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] f8adda67ed68ad6f4a17c6c57c175fce29d93c99f43464b05c435fedad23534a
[INFO] running `"docker" "start" "-a" "f8adda67ed68ad6f4a17c6c57c175fce29d93c99f43464b05c435fedad23534a"`
[INFO] [stderr]    Compiling libc v0.2.19
[INFO] [stderr]    Compiling getopts v0.2.14
[INFO] [stderr]    Compiling traitobject v0.0.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.3
[INFO] [stderr]    Compiling hex v0.2.0
[INFO] [stderr]    Compiling fallible-iterator v0.1.3
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]    Compiling md5 v0.2.1
[INFO] [stderr]    Compiling bufstream v0.1.2
[INFO] [stderr]    Compiling route-recognizer v0.1.11
[INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.14/src/lib.rs:1008:33
[INFO] [stderr]      |
[INFO] [stderr] 955  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 959  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1008 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1009 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stderr]      |         ------- borrow later used here
[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 unicode-bidi v0.2.4
[INFO] [stderr]    Compiling conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling unsafe-any v0.4.1
[INFO] [stderr]    Compiling error v0.1.9
[INFO] [stderr]    Compiling phf v0.7.20
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling num_cpus v1.2.1
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling postgres-protocol v0.2.0
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling postgres-shared v0.1.0
[INFO] [stderr]    Compiling skeptic v0.6.1
[INFO] [stderr]    Compiling liquid v0.9.0 (https://github.com/cobalt-org/liquid-rust.git#ea54dd37)
[INFO] [stderr]    Compiling url v1.2.4
[INFO] [stderr]    Compiling postgres v0.13.5
[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-1.2.4/src/form_urlencoded.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 246 |     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 hyper v0.10.0
[INFO] [stderr]    Compiling iron v0.5.1
[INFO] [stderr]    Compiling router v0.5.0
[INFO] [stderr]    Compiling persistent v0.3.0
[INFO] [stderr]    Compiling rustybox v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `persistent::*`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use persistent::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filebox`
[INFO] [stderr]   --> src/main.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let mut filebox = Filebox::new(&String::from("11"));
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_filebox`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cfgfile`
[INFO] [stderr]   --> src/main.rs:19:16
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn new(cfgfile: &String) -> Filebox {
[INFO] [stderr]    |                ^^^^^^^ help: consider prefixing with an underscore: `_cfgfile`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/main.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn handler(req: &mut Request) -> IronResult<Response> {
[INFO] [stderr]    |                    ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let mut filebox = Filebox::new(&String::from("11"));
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut chain = Chain::new(router);
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.28s
[INFO] running `"docker" "inspect" "f8adda67ed68ad6f4a17c6c57c175fce29d93c99f43464b05c435fedad23534a"`
[INFO] running `"docker" "rm" "-f" "f8adda67ed68ad6f4a17c6c57c175fce29d93c99f43464b05c435fedad23534a"`
[INFO] [stdout] f8adda67ed68ad6f4a17c6c57c175fce29d93c99f43464b05c435fedad23534a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/perillamint/rustybox:/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] 37d58a2c941a313cb2f8a323920627133044b967baa418c4a4dfc36ebc192344
[INFO] running `"docker" "start" "-a" "37d58a2c941a313cb2f8a323920627133044b967baa418c4a4dfc36ebc192344"`
[INFO] [stderr]    Compiling rustybox v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `persistent::*`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use persistent::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filebox`
[INFO] [stderr]   --> src/main.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let mut filebox = Filebox::new(&String::from("11"));
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_filebox`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cfgfile`
[INFO] [stderr]   --> src/main.rs:19:16
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn new(cfgfile: &String) -> Filebox {
[INFO] [stderr]    |                ^^^^^^^ help: consider prefixing with an underscore: `_cfgfile`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/main.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn handler(req: &mut Request) -> IronResult<Response> {
[INFO] [stderr]    |                    ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let mut filebox = Filebox::new(&String::from("11"));
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut chain = Chain::new(router);
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "37d58a2c941a313cb2f8a323920627133044b967baa418c4a4dfc36ebc192344"`
[INFO] running `"docker" "rm" "-f" "37d58a2c941a313cb2f8a323920627133044b967baa418c4a4dfc36ebc192344"`
[INFO] [stdout] 37d58a2c941a313cb2f8a323920627133044b967baa418c4a4dfc36ebc192344
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/perillamint/rustybox:/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] 9ff273e3f14540d453891b1a616155d6492152d61e2f08e06989ee90153ea25d
[INFO] running `"docker" "start" "-a" "9ff273e3f14540d453891b1a616155d6492152d61e2f08e06989ee90153ea25d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustybox-dffc37a4e245da24
[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" "9ff273e3f14540d453891b1a616155d6492152d61e2f08e06989ee90153ea25d"`
[INFO] running `"docker" "rm" "-f" "9ff273e3f14540d453891b1a616155d6492152d61e2f08e06989ee90153ea25d"`
[INFO] [stdout] 9ff273e3f14540d453891b1a616155d6492152d61e2f08e06989ee90153ea25d