[INFO] crate linux-perf-file-reader 0.1.0 is already in cache
[INFO] testing linux-perf-file-reader-0.1.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate linux-perf-file-reader 0.1.0 into work/builds/worker-1/source
[INFO] validating manifest of crates.io crate linux-perf-file-reader 0.1.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate linux-perf-file-reader 0.1.0
[INFO] finished tweaking crates.io crate linux-perf-file-reader 0.1.0
[INFO] tweaked toml for crates.io crate linux-perf-file-reader 0.1.0 written to work/builds/worker-1/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] b4709efaacd6144be46108295b7a7ab8f59c39088c873b1708b11da80cb013e0
[INFO] running `"docker" "start" "-a" "b4709efaacd6144be46108295b7a7ab8f59c39088c873b1708b11da80cb013e0"`
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling backtrace v0.3.38
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling linux-perf-file-reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     bitflags!{
[INFO] [stderr] 32 | |         pub flags HeaderFlags: u64 {
[INFO] [stderr] 33 | |             const BUILD_ID = 1 << 2,
[INFO] [stderr] 34 | |             const HOSTNAME = 1 << 3,
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |         }
[INFO] [stderr] 53 | |     }
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     bitflags!{
[INFO] [stderr] 32 | |         pub flags HeaderFlags: u64 {
[INFO] [stderr] 33 | |             const BUILD_ID = 1 << 2,
[INFO] [stderr] 34 | |             const HOSTNAME = 1 << 3,
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |         }
[INFO] [stderr] 53 | |     }
[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 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     bitflags! {
[INFO] [stderr] 101 | |         pub flags AttrFlags: u64 {
[INFO] [stderr] 102 | |             const DISABLED          = 1, /* off by default        */
[INFO] [stderr] 103 | |             const INHERIT           = 1 << 1, /* children inherit it   */
[INFO] [stderr] ...   |
[INFO] [stderr] 138 | |         }
[INFO] [stderr] 139 | |     }
[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 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     bitflags! {
[INFO] [stderr] 101 | |         pub flags AttrFlags: u64 {
[INFO] [stderr] 102 | |             const DISABLED          = 1, /* off by default        */
[INFO] [stderr] 103 | |             const INHERIT           = 1 << 1, /* children inherit it   */
[INFO] [stderr] ...   |
[INFO] [stderr] 138 | |         }
[INFO] [stderr] 139 | |     }
[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 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 | /     bitflags!{
[INFO] [stderr] 144 | |         pub flags SampleFormat: u64 {
[INFO] [stderr] 145 | |             const IP            = 1 << 0,
[INFO] [stderr] 146 | |             const TID            = 1 << 1,
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |         }
[INFO] [stderr] 165 | |     }
[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 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 | /     bitflags!{
[INFO] [stderr] 144 | |         pub flags SampleFormat: u64 {
[INFO] [stderr] 145 | |             const IP            = 1 << 0,
[INFO] [stderr] 146 | |             const TID            = 1 << 1,
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |         }
[INFO] [stderr] 165 | |     }
[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 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 | /     bitflags!{
[INFO] [stderr] 170 | |         pub flags ReadFormat: u64 {
[INFO] [stderr] 171 | |             const TOTAL_TIME_ENABLED    = 1 << 0,
[INFO] [stderr] 172 | |             const TOTAL_TIME_RUNNING    = 1 << 1,
[INFO] [stderr] ...   |
[INFO] [stderr] 175 | |         }
[INFO] [stderr] 176 | |     }
[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 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 | /     bitflags!{
[INFO] [stderr] 170 | |         pub flags ReadFormat: u64 {
[INFO] [stderr] 171 | |             const TOTAL_TIME_ENABLED    = 1 << 0,
[INFO] [stderr] 172 | |             const TOTAL_TIME_RUNNING    = 1 << 1,
[INFO] [stderr] ...   |
[INFO] [stderr] 175 | |         }
[INFO] [stderr] 176 | |     }
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:382:27
[INFO] [stderr]     |
[INFO] [stderr] 382 | fn read_raw<T>(file: &mut Read) -> io::Result<T> {
[INFO] [stderr]     |                           ^^^^ help: use `dyn`: `dyn Read`
[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/lib.rs:392:27
[INFO] [stderr]     |
[INFO] [stderr] 392 | fn read_string(file: &mut Read, size: usize) -> io::Result<String> {
[INFO] [stderr]     |                           ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:420:30
[INFO] [stderr]     |
[INFO] [stderr] 420 | fn read_sample_id(file: &mut Read, s: &sample_format::SampleFormat) -> io::Result<SampleId> {
[INFO] [stderr]     |                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:432:27
[INFO] [stderr]     |
[INFO] [stderr] 432 | fn read_sample(file: &mut Read, s: &sample_format::SampleFormat) -> io::Result<Event> {
[INFO] [stderr]     |                           ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:547:15
[INFO] [stderr]     |
[INFO] [stderr] 547 |       return Ok((Info{hostname: hostname, os_release: os_release, tools_version: tools_version,
[INFO] [stderr]     |  _______________^
[INFO] [stderr] 548 | |         arch: arch, cpu_id: cpu_id, cpu_description: cpu_description, total_memory: total_memory, command_line: command_line, cpu_topology: cpu_topology}));
[INFO] [stderr]     | |__________________________________________________________________________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 547 |     return Ok(Info{hostname: hostname, os_release: os_release, tools_version: tools_version,
[INFO] [stderr] 548 |         arch: arch, cpu_id: cpu_id, cpu_description: cpu_description, total_memory: total_memory, command_line: command_line, cpu_topology: cpu_topology});
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:385:24
[INFO] [stderr]     |
[INFO] [stderr] 385 |         let mut t: T = mem::uninitialized();
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:386:13
[INFO] [stderr]     |
[INFO] [stderr] 386 |         let mut slice = slice::from_raw_parts_mut(mem::transmute(&mut t), size);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `"docker" "inspect" "b4709efaacd6144be46108295b7a7ab8f59c39088c873b1708b11da80cb013e0"`
[INFO] running `"docker" "rm" "-f" "b4709efaacd6144be46108295b7a7ab8f59c39088c873b1708b11da80cb013e0"`
[INFO] [stdout] b4709efaacd6144be46108295b7a7ab8f59c39088c873b1708b11da80cb013e0
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8bb216545486db0906eda5bcdf51a26345023e8a229f01985611cfd6ed181079
[INFO] running `"docker" "start" "-a" "8bb216545486db0906eda5bcdf51a26345023e8a229f01985611cfd6ed181079"`
[INFO] [stderr]    Compiling linux-perf-file-reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     bitflags!{
[INFO] [stderr] 32 | |         pub flags HeaderFlags: u64 {
[INFO] [stderr] 33 | |             const BUILD_ID = 1 << 2,
[INFO] [stderr] 34 | |             const HOSTNAME = 1 << 3,
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |         }
[INFO] [stderr] 53 | |     }
[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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     bitflags!{
[INFO] [stderr] 32 | |         pub flags HeaderFlags: u64 {
[INFO] [stderr] 33 | |             const BUILD_ID = 1 << 2,
[INFO] [stderr] 34 | |             const HOSTNAME = 1 << 3,
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |         }
[INFO] [stderr] 53 | |     }
[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 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     bitflags! {
[INFO] [stderr] 101 | |         pub flags AttrFlags: u64 {
[INFO] [stderr] 102 | |             const DISABLED          = 1, /* off by default        */
[INFO] [stderr] 103 | |             const INHERIT           = 1 << 1, /* children inherit it   */
[INFO] [stderr] ...   |
[INFO] [stderr] 138 | |         }
[INFO] [stderr] 139 | |     }
[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 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     bitflags! {
[INFO] [stderr] 101 | |         pub flags AttrFlags: u64 {
[INFO] [stderr] 102 | |             const DISABLED          = 1, /* off by default        */
[INFO] [stderr] 103 | |             const INHERIT           = 1 << 1, /* children inherit it   */
[INFO] [stderr] ...   |
[INFO] [stderr] 138 | |         }
[INFO] [stderr] 139 | |     }
[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 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 | /     bitflags!{
[INFO] [stderr] 144 | |         pub flags SampleFormat: u64 {
[INFO] [stderr] 145 | |             const IP            = 1 << 0,
[INFO] [stderr] 146 | |             const TID            = 1 << 1,
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |         }
[INFO] [stderr] 165 | |     }
[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 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 | /     bitflags!{
[INFO] [stderr] 144 | |         pub flags SampleFormat: u64 {
[INFO] [stderr] 145 | |             const IP            = 1 << 0,
[INFO] [stderr] 146 | |             const TID            = 1 << 1,
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |         }
[INFO] [stderr] 165 | |     }
[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 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 | /     bitflags!{
[INFO] [stderr] 170 | |         pub flags ReadFormat: u64 {
[INFO] [stderr] 171 | |             const TOTAL_TIME_ENABLED    = 1 << 0,
[INFO] [stderr] 172 | |             const TOTAL_TIME_RUNNING    = 1 << 1,
[INFO] [stderr] ...   |
[INFO] [stderr] 175 | |         }
[INFO] [stderr] 176 | |     }
[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 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 | /     bitflags!{
[INFO] [stderr] 170 | |         pub flags ReadFormat: u64 {
[INFO] [stderr] 171 | |             const TOTAL_TIME_ENABLED    = 1 << 0,
[INFO] [stderr] 172 | |             const TOTAL_TIME_RUNNING    = 1 << 1,
[INFO] [stderr] ...   |
[INFO] [stderr] 175 | |         }
[INFO] [stderr] 176 | |     }
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:382:27
[INFO] [stderr]     |
[INFO] [stderr] 382 | fn read_raw<T>(file: &mut Read) -> io::Result<T> {
[INFO] [stderr]     |                           ^^^^ help: use `dyn`: `dyn Read`
[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/lib.rs:392:27
[INFO] [stderr]     |
[INFO] [stderr] 392 | fn read_string(file: &mut Read, size: usize) -> io::Result<String> {
[INFO] [stderr]     |                           ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:420:30
[INFO] [stderr]     |
[INFO] [stderr] 420 | fn read_sample_id(file: &mut Read, s: &sample_format::SampleFormat) -> io::Result<SampleId> {
[INFO] [stderr]     |                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:432:27
[INFO] [stderr]     |
[INFO] [stderr] 432 | fn read_sample(file: &mut Read, s: &sample_format::SampleFormat) -> io::Result<Event> {
[INFO] [stderr]     |                           ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:547:15
[INFO] [stderr]     |
[INFO] [stderr] 547 |       return Ok((Info{hostname: hostname, os_release: os_release, tools_version: tools_version,
[INFO] [stderr]     |  _______________^
[INFO] [stderr] 548 | |         arch: arch, cpu_id: cpu_id, cpu_description: cpu_description, total_memory: total_memory, command_line: command_line, cpu_topology: cpu_topology}));
[INFO] [stderr]     | |__________________________________________________________________________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 547 |     return Ok(Info{hostname: hostname, os_release: os_release, tools_version: tools_version,
[INFO] [stderr] 548 |         arch: arch, cpu_id: cpu_id, cpu_description: cpu_description, total_memory: total_memory, command_line: command_line, cpu_topology: cpu_topology});
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:385:24
[INFO] [stderr]     |
[INFO] [stderr] 385 |         let mut t: T = mem::uninitialized();
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:386:13
[INFO] [stderr]     |
[INFO] [stderr] 386 |         let mut slice = slice::from_raw_parts_mut(mem::transmute(&mut t), size);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "8bb216545486db0906eda5bcdf51a26345023e8a229f01985611cfd6ed181079"`
[INFO] running `"docker" "rm" "-f" "8bb216545486db0906eda5bcdf51a26345023e8a229f01985611cfd6ed181079"`
[INFO] [stdout] 8bb216545486db0906eda5bcdf51a26345023e8a229f01985611cfd6ed181079
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] d8839a793b402356da8ba83cd228c8ccfb0b7e748bce8907f845f5938cd7759b
[INFO] running `"docker" "start" "-a" "d8839a793b402356da8ba83cd228c8ccfb0b7e748bce8907f845f5938cd7759b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/linux_perf_file_reader-46eb1a3adbedc7c5
[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/rustwide/target/debug/deps/dump_test-345751e27e2c3f2b
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_chdir ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_chdir stdout ----
[INFO] [stdout] thread 'test_chdir' panicked at 'failed to run dump example: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/libcore/result.rs:1165:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55a5c2ce9174 - backtrace::backtrace::libunwind::trace::hf625d18232cbbbd4
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stdout]    1:     0x55a5c2ce9174 - backtrace::backtrace::trace_unsynchronized::h41d74150fc6ff542
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55a5c2ce9174 - std::sys_common::backtrace::_print_fmt::h85d37830c667a1f9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:76
[INFO] [stdout]    3:     0x55a5c2ce9174 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2b7ac01d5feaf9b2
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:60
[INFO] [stdout]    4:     0x55a5c2d084dc - core::fmt::write::h7fd0d904495c035f
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1030
[INFO] [stdout]    5:     0x55a5c2ca19e5 - std::io::Write::write_fmt::h424452e6ba861394
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/io/mod.rs:1412
[INFO] [stdout]    6:     0x55a5c2ce40b1 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h814a51d8ae1dee4a
[INFO] [stdout]                                at src/libstd/io/impls.rs:141
[INFO] [stdout]    7:     0x55a5c2ceb605 - std::sys_common::backtrace::_print::h4c743f7c274a5a74
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:64
[INFO] [stdout]    8:     0x55a5c2ceb605 - std::sys_common::backtrace::print::ha5c4f4bf03800d4d
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x55a5c2ceb605 - std::panicking::default_hook::{{closure}}::h8b842185774c09e6
[INFO] [stdout]                                at src/libstd/panicking.rs:196
[INFO] [stdout]   10:     0x55a5c2ceb28c - std::panicking::default_hook::hd8ec13ee1bc2a65a
[INFO] [stdout]                                at src/libstd/panicking.rs:207
[INFO] [stdout]   11:     0x55a5c2cebd05 - std::panicking::rust_panic_with_hook::hf3b27166e5f403e7
[INFO] [stdout]                                at src/libstd/panicking.rs:473
[INFO] [stdout]   12:     0x55a5c2ceb8a2 - std::panicking::continue_panic_fmt::hd961751be84a6f83
[INFO] [stdout]                                at src/libstd/panicking.rs:380
[INFO] [stdout]   13:     0x55a5c2ceb796 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:307
[INFO] [stdout]   14:     0x55a5c2d05bca - core::panicking::panic_fmt::h467e0364f9237670
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   15:     0x55a5c2d05cc7 - core::result::unwrap_failed::h38f3a56f1dadf080
[INFO] [stdout]                                at src/libcore/result.rs:1165
[INFO] [stdout]   16:     0x55a5c2c9a128 - core::result::Result<T,E>::expect::h1a3299888533e1a1
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/result.rs:960
[INFO] [stdout]   17:     0x55a5c2c97899 - dump_test::test_chdir::ha08e7c0b613ff896
[INFO] [stdout]                                at tests/dump_test.rs:5
[INFO] [stdout]   18:     0x55a5c2c977ea - dump_test::test_chdir::{{closure}}::h51e977aaaa497fc3
[INFO] [stdout]                                at tests/dump_test.rs:4
[INFO] [stdout]   19:     0x55a5c2c9884e - core::ops::function::FnOnce::call_once::hb956da0189cb2e9f
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/ops/function.rs:227
[INFO] [stdout]   20:     0x55a5c2cab8df - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h8b428e8a43aaf8e9
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922
[INFO] [stdout]   21:     0x55a5c2cf28da - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   22:     0x55a5c2cc60ee - std::panicking::try::heccce20d527a3513
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:271
[INFO] [stdout]   23:     0x55a5c2cc60ee - std::panic::catch_unwind::h7fd8f5d3271f1692
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:394
[INFO] [stdout]   24:     0x55a5c2cc60ee - test::run_test::run_test_inner::{{closure}}::h88b46e5c359957e5
[INFO] [stdout]                                at src/libtest/lib.rs:1413
[INFO] [stdout]   25:     0x55a5c2ca1155 - std::sys_common::backtrace::__rust_begin_short_backtrace::h00847676c8212941
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/sys_common/backtrace.rs:126
[INFO] [stdout]   26:     0x55a5c2ca52e5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h5dd37acd2295488e
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/thread/mod.rs:470
[INFO] [stdout]   27:     0x55a5c2ca52e5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d32b103da0b97c6
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:315
[INFO] [stdout]   28:     0x55a5c2ca52e5 - std::panicking::try::do_call::h2bd819a3056c57cd
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:292
[INFO] [stdout]   29:     0x55a5c2cf28da - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   30:     0x55a5c2ca5892 - std::panicking::try::h243a25457a848a1a
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:271
[INFO] [stdout]   31:     0x55a5c2ca5892 - std::panic::catch_unwind::h74b81f55e55e757c
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:394
[INFO] [stdout]   32:     0x55a5c2ca5892 - std::thread::Builder::spawn_unchecked::{{closure}}::h4c2d214a2cffa6cf
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/thread/mod.rs:469
[INFO] [stdout]   33:     0x55a5c2ca5892 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8a8a187b3fb58e53
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/ops/function.rs:227
[INFO] [stdout]   34:     0x55a5c2ce058f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h3cdef3b7ea22cd61
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922
[INFO] [stdout]   35:     0x55a5c2cf2030 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc8f25720bf0d5424
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922
[INFO] [stdout]   36:     0x55a5c2cf2030 - std::sys_common::thread::start_thread::h7e8885ccfd5d1932
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]   37:     0x55a5c2cf2030 - std::sys::unix::thread::Thread::new::thread_start::h5d24df932d688baf
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   38:     0x7f2dd39646db - start_thread
[INFO] [stdout]   39:     0x7f2dd347588f - __clone
[INFO] [stdout]   40:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_chdir
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test dump_test'
[INFO] running `"docker" "inspect" "d8839a793b402356da8ba83cd228c8ccfb0b7e748bce8907f845f5938cd7759b"`
[INFO] running `"docker" "rm" "-f" "d8839a793b402356da8ba83cd228c8ccfb0b7e748bce8907f845f5938cd7759b"`
[INFO] [stdout] d8839a793b402356da8ba83cd228c8ccfb0b7e748bce8907f845f5938cd7759b