[INFO] fetching crate bigbro 0.5.2...
[INFO] testing bigbro-0.5.2 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate bigbro 0.5.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate bigbro 0.5.2 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/.cargo/config
[INFO] started tweaking crates.io crate bigbro 0.5.2
[INFO] finished tweaking crates.io crate bigbro 0.5.2
[INFO] tweaked toml for crates.io crate bigbro 0.5.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded seccomp-droundy v0.1.0
[INFO] [stderr]   Downloaded cpuprofiler v0.0.3
[INFO] [stderr]   Downloaded seccomp-droundy-sys v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e23fb2497b04f3204cec5f3f011c5375c6b0c3b06d60fc157151a7c7db5672e5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e23fb2497b04f3204cec5f3f011c5375c6b0c3b06d60fc157151a7c7db5672e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e23fb2497b04f3204cec5f3f011c5375c6b0c3b06d60fc157151a7c7db5672e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e23fb2497b04f3204cec5f3f011c5375c6b0c3b06d60fc157151a7c7db5672e5", kill_on_drop: false }`
[INFO] [stdout] e23fb2497b04f3204cec5f3f011c5375c6b0c3b06d60fc157151a7c7db5672e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68369e6296b18cdfeef5d1b00ac174632c01e6cded7d589a67d718b21293859c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "68369e6296b18cdfeef5d1b00ac174632c01e6cded7d589a67d718b21293859c", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling seccomp-droundy-sys v0.1.2
[INFO] [stderr]    Compiling seccomp-droundy v0.1.0
[INFO] [stderr]    Compiling bigbro v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/linux.rs:144:60
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn stdout(&mut self) -> std::io::Result<Option<Box<std::io::Read>>> {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:622:60
[INFO] [stdout]     |
[INFO] [stdout] 622 |     pub fn stdout(&mut self) -> std::io::Result<Option<Box<std::io::Read>>> {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.78s
[INFO] running `Command { std: "docker" "inspect" "68369e6296b18cdfeef5d1b00ac174632c01e6cded7d589a67d718b21293859c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68369e6296b18cdfeef5d1b00ac174632c01e6cded7d589a67d718b21293859c", kill_on_drop: false }`
[INFO] [stdout] 68369e6296b18cdfeef5d1b00ac174632c01e6cded7d589a67d718b21293859c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4840f060e8a5c6d23f57749efc1b20c6f1ae55de4bb0c2f9ae888fdd9a95ee5f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4840f060e8a5c6d23f57749efc1b20c6f1ae55de4bb0c2f9ae888fdd9a95ee5f", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/linux.rs:144:60
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn stdout(&mut self) -> std::io::Result<Option<Box<std::io::Read>>> {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bigbro v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:622:60
[INFO] [stdout]     |
[INFO] [stdout] 622 |     pub fn stdout(&mut self) -> std::io::Result<Option<Box<std::io::Read>>> {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/linux.rs:144:60
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn stdout(&mut self) -> std::io::Result<Option<Box<std::io::Read>>> {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:622:60
[INFO] [stdout]     |
[INFO] [stdout] 622 |     pub fn stdout(&mut self) -> std::io::Result<Option<Box<std::io::Read>>> {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.49s
[INFO] running `Command { std: "docker" "inspect" "4840f060e8a5c6d23f57749efc1b20c6f1ae55de4bb0c2f9ae888fdd9a95ee5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4840f060e8a5c6d23f57749efc1b20c6f1ae55de4bb0c2f9ae888fdd9a95ee5f", kill_on_drop: false }`
[INFO] [stdout] 4840f060e8a5c6d23f57749efc1b20c6f1ae55de4bb0c2f9ae888fdd9a95ee5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2d4a73e454dc95450d00be6cd91438b0febfb959755716940b936f1daf0c5a7f
[INFO] running `Command { std: "docker" "start" "-a" "2d4a73e454dc95450d00be6cd91438b0febfb959755716940b936f1daf0c5a7f", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/linux.rs:144:60
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn stdout(&mut self) -> std::io::Result<Option<Box<std::io::Read>>> {
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::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:622:60
[INFO] [stderr]     |
[INFO] [stderr] 622 |     pub fn stdout(&mut self) -> std::io::Result<Option<Box<std::io::Read>>> {
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/linux.rs:144:60
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn stdout(&mut self) -> std::io::Result<Option<Box<std::io::Read>>> {
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::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:622:60
[INFO] [stderr]     |
[INFO] [stderr] 622 |     pub fn stdout(&mut self) -> std::io::Result<Option<Box<std::io::Read>>> {
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bigbro-e4256e95836df6ad
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] CHANGELOG.md
[INFO] [stdout] Cargo.lock
[INFO] [stdout] Cargo.toml
[INFO] [stdout] Cargo.toml.orig
[INFO] [stdout] Dockerfile
[INFO] [stdout] LICENSE
[INFO] [stdout] Makefile
[INFO] [stdout] README.md
[INFO] [stdout] appveyor.yml
[INFO] [stdout] bench
[INFO] [stdout] benches
[INFO] [stdout] bigbro-linux.c
[INFO] [stdout] bigbro-windows.c
[INFO] [stdout] bigbro.h
[INFO] [stdout] build
[INFO] [stdout] ci
[INFO] [stdout] configure.fac
[INFO] [stdout] configure.py
[INFO] [stdout] docker-security.json
[INFO] [stdout] errors.h
[INFO] [stdout] fileaccesses.c
[INFO] [stdout] hashset.h
[INFO] [stdout] linux-proc.h
[INFO] [stdout] realpath.h
[INFO] [stdout] run-tests.py
[INFO] [stdout] run-windows-tests.py
[INFO] [stdout] sparse.py
[INFO] [stdout] src
[INFO] [stdout] syscalls
[INFO] [stdout] tests
[INFO] [stdout] vagrant
[INFO] [stdout] web
[INFO] [stdout] win32
[INFO] [stdout] CHANGELOG.md
[INFO] [stdout] Cargo.lock
[INFO] [stdout] Cargo.toml
[INFO] [stdout] Cargo.toml.orig
[INFO] [stdout] Dockerfile
[INFO] [stdout] LICENSE
[INFO] [stdout] Makefile
[INFO] [stdout] README.md
[INFO] [stdout] appveyor.yml
[INFO] [stdout] bench
[INFO] [stdout] benches
[INFO] [stdout] bigbro-linux.c
[INFO] [stdout] bigbro-windows.c
[INFO] [stdout] bigbro.h
[INFO] [stdout] build
[INFO] [stdout] ci
[INFO] [stdout] configure.fac
[INFO] [stdout] configure.py
[INFO] [stdout] docker-security.json
[INFO] [stdout] errors.h
[INFO] [stdout] fileaccesses.c
[INFO] [stdout] hashset.h
[INFO] [stdout] linux-proc.h
[INFO] [stdout] realpath.h
[INFO] [stdout] run-tests.py
[INFO] [stdout] run-windows-tests.py
[INFO] [stdout] sparse.py
[INFO] [stdout] src
[INFO] [stdout] syscalls
[INFO] [stdout] tests
[INFO] [stdout] vagrant
[INFO] [stdout] web
[INFO] [stdout] win32
[INFO] [stdout] test test_have_closed_fds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bigbro_fsatrace-cb2a2c34b5606b84
[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/test_bigbro-20b930fa6884f583
[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/test_bigbro_chan-082e5f558e540f6f
[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/test_bigbro_scaling-ebb5460a5e9842d0
[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/test_bigbro_twostep-6838c38ddb491221
[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/lib-5d9bd35deb5c8703
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests bigbro
[INFO] [stdout] test stupid_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - Command::new (line 107) ... ok
[INFO] [stdout] test src/lib.rs - Command (line 56) ... ok
[INFO] [stdout] test src/lib.rs - Status::status (line 459) ... ok
[INFO] [stdout] test src/lib.rs - Status::written_to_files (line 556) ... ok
[INFO] [stdout] test src/lib.rs - Status::read_from_directories (line 487) ... ok
[INFO] [stdout] test src/lib.rs - Command::log_stdouterr (line 287) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - Command::env (line 181) ... ok
[INFO] [stdout] test src/lib.rs - Command::save_stdouterr (line 261) ... ok
[INFO] [stdout] test src/lib.rs - Status::read_from_files (line 519) ... ok
[INFO] [stdout] test src/lib.rs - Status::stdout (line 597) ... ok
[INFO] [stdout] test src/lib.rs - Command::env (line 150) ... ok
[INFO] [stdout] test src/lib.rs - Command::blind (line 326) ... ok
[INFO] [stdout] test src/lib.rs - Command::spawn_and_hook (line 366) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2d4a73e454dc95450d00be6cd91438b0febfb959755716940b936f1daf0c5a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d4a73e454dc95450d00be6cd91438b0febfb959755716940b936f1daf0c5a7f", kill_on_drop: false }`
[INFO] [stdout] 2d4a73e454dc95450d00be6cd91438b0febfb959755716940b936f1daf0c5a7f