[INFO] updating cached repository luser/tracetree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/luser/tracetree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/luser/tracetree" "work/ex/beta-1.38-1/sources/1.37.0/gh/luser/tracetree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/luser/tracetree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/luser/tracetree" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luser/tracetree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luser/tracetree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 587eaaa90ad2469b37a6a8568e024276e99e11dc
[INFO] sha for GitHub repo luser/tracetree: 587eaaa90ad2469b37a6a8568e024276e99e11dc
[INFO] validating manifest of luser/tracetree 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 luser/tracetree 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 luser/tracetree
[INFO] finished frobbing luser/tracetree
[INFO] frobbed toml for luser/tracetree written to work/ex/beta-1.38-1/sources/1.37.0/gh/luser/tracetree/Cargo.toml
[INFO] started frobbing luser/tracetree
[INFO] finished frobbing luser/tracetree
[INFO] frobbed toml for luser/tracetree written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luser/tracetree/Cargo.toml
[INFO] crate luser/tracetree 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 luser/tracetree 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/luser/tracetree:/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] 74a5f193e6d8087c3b1057fb0baa158b7e0a5047118c398157c409a64f8ff14e
[INFO] running `"docker" "start" "-a" "74a5f193e6d8087c3b1057fb0baa158b7e0a5047118c398157c409a64f8ff14e"`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.2.23
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]    Compiling getopts v0.2.14
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[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 bitflags v0.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.4
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling serde v1.0.8
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling indextree v1.0.1
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling time v0.1.37
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nix v0.8.1
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]    Compiling num-integer v0.1.34
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling textwrap v0.6.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling num v0.1.39
[INFO] [stderr]    Compiling clap v2.25.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling skeptic v0.5.0
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling spawn-ptrace v0.1.0
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling chrono v0.3.1
[INFO] [stderr]    Compiling backtrace v0.3.2
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling tracetree v0.1.6-pre (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/errors.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | / error_chain! {
[INFO] [stderr] 4 | |     foreign_links {
[INFO] [stderr] 5 | |         Io(io::Error);
[INFO] [stderr] 6 | |     }
[INFO] [stderr] 7 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr]   = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:115:18
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let out: Box<Write> = matches.value_of_os("out")
[INFO] [stderr]     |                  ^^^^^ help: use `dyn`: `dyn Write`
[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/main.rs:116:66
[INFO] [stderr]     |
[INFO] [stderr] 116 |         .and_then(|o| File::create(o).map(|f| Box::new(f) as Box<Write>).ok())
[INFO] [stderr]     |                                                                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:117:59
[INFO] [stderr]     |
[INFO] [stderr] 117 |         .unwrap_or_else(|| Box::new(stdout.lock()) as Box<Write>);
[INFO] [stderr]     |                                                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_BOOL_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:18:47
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::sync::atomic::{AtomicBool, Ordering, ATOMIC_BOOL_INIT};
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_BOOL_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:22:39
[INFO] [stderr]    |
[INFO] [stderr] 22 | static SIGNAL_DELIVERED: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicBool::new(false)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/main.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | / arg_enum!{
[INFO] [stderr] 64 | |     #[derive(Debug)]
[INFO] [stderr] 65 | |     #[allow(non_camel_case_types)]
[INFO] [stderr] 66 | |     pub enum OutputFormat {
[INFO] [stderr] ...  |
[INFO] [stderr] 69 | |     }
[INFO] [stderr] 70 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `"docker" "inspect" "74a5f193e6d8087c3b1057fb0baa158b7e0a5047118c398157c409a64f8ff14e"`
[INFO] running `"docker" "rm" "-f" "74a5f193e6d8087c3b1057fb0baa158b7e0a5047118c398157c409a64f8ff14e"`
[INFO] [stdout] 74a5f193e6d8087c3b1057fb0baa158b7e0a5047118c398157c409a64f8ff14e
[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/luser/tracetree:/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] a71be971681ef5048e51d4ba14cbcaf405a3d0d70cf9bb055532095a5698ac00
[INFO] running `"docker" "start" "-a" "a71be971681ef5048e51d4ba14cbcaf405a3d0d70cf9bb055532095a5698ac00"`
[INFO] [stderr]    Compiling tracetree v0.1.6-pre (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:115:18
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let out: Box<Write> = matches.value_of_os("out")
[INFO] [stderr]     |                  ^^^^^ help: use `dyn`: `dyn Write`
[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/main.rs:116:66
[INFO] [stderr]     |
[INFO] [stderr] 116 |         .and_then(|o| File::create(o).map(|f| Box::new(f) as Box<Write>).ok())
[INFO] [stderr]     |                                                                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:117:59
[INFO] [stderr]     |
[INFO] [stderr] 117 |         .unwrap_or_else(|| Box::new(stdout.lock()) as Box<Write>);
[INFO] [stderr]     |                                                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_BOOL_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:18:47
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::sync::atomic::{AtomicBool, Ordering, ATOMIC_BOOL_INIT};
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_BOOL_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:22:39
[INFO] [stderr]    |
[INFO] [stderr] 22 | static SIGNAL_DELIVERED: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicBool::new(false)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/main.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | / arg_enum!{
[INFO] [stderr] 64 | |     #[derive(Debug)]
[INFO] [stderr] 65 | |     #[allow(non_camel_case_types)]
[INFO] [stderr] 66 | |     pub enum OutputFormat {
[INFO] [stderr] ...  |
[INFO] [stderr] 69 | |     }
[INFO] [stderr] 70 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/errors.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | / error_chain! {
[INFO] [stderr] 4 | |     foreign_links {
[INFO] [stderr] 5 | |         Io(io::Error);
[INFO] [stderr] 6 | |     }
[INFO] [stderr] 7 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr]   = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `"docker" "inspect" "a71be971681ef5048e51d4ba14cbcaf405a3d0d70cf9bb055532095a5698ac00"`
[INFO] running `"docker" "rm" "-f" "a71be971681ef5048e51d4ba14cbcaf405a3d0d70cf9bb055532095a5698ac00"`
[INFO] [stdout] a71be971681ef5048e51d4ba14cbcaf405a3d0d70cf9bb055532095a5698ac00
[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/luser/tracetree:/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] b9cd6f577d48de5711acd18f8af002c27d0f626be59e311581eaf99973a5f915
[INFO] running `"docker" "start" "-a" "b9cd6f577d48de5711acd18f8af002c27d0f626be59e311581eaf99973a5f915"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tracetree-4bc2cfc1298c9c7b
[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] [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] [stderr]      Running /opt/crater/target/debug/deps/tracetree-80b5d7a77127ccc3
[INFO] [stderr]    Doc-tests tracetree
[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" "b9cd6f577d48de5711acd18f8af002c27d0f626be59e311581eaf99973a5f915"`
[INFO] running `"docker" "rm" "-f" "b9cd6f577d48de5711acd18f8af002c27d0f626be59e311581eaf99973a5f915"`
[INFO] [stdout] b9cd6f577d48de5711acd18f8af002c27d0f626be59e311581eaf99973a5f915