[INFO] cloning repository https://github.com/Bubbler-4/TryInBrowser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bubbler-4/TryInBrowser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBubbler-4%2FTryInBrowser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBubbler-4%2FTryInBrowser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4342daa290c34b7613ce31764faa73191a0a40ad
[INFO] testing Bubbler-4/TryInBrowser against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBubbler-4%2FTryInBrowser" "/workspace/builds/worker-89/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-89/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bubbler-4/TryInBrowser on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-89/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Bubbler-4/TryInBrowser
[INFO] finished tweaking git repo https://github.com/Bubbler-4/TryInBrowser
[INFO] tweaked toml for git repo https://github.com/Bubbler-4/TryInBrowser written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] crate git repo https://github.com/Bubbler-4/TryInBrowser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bbd863c4aa25a715d98cc696fcf1358cd79261133b56c1def73a8c9b6f8be62
[INFO] running `Command { std: "docker" "start" "-a" "7bbd863c4aa25a715d98cc696fcf1358cd79261133b56c1def73a8c9b6f8be62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bbd863c4aa25a715d98cc696fcf1358cd79261133b56c1def73a8c9b6f8be62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bbd863c4aa25a715d98cc696fcf1358cd79261133b56c1def73a8c9b6f8be62", kill_on_drop: false }`
[INFO] [stdout] 7bbd863c4aa25a715d98cc696fcf1358cd79261133b56c1def73a8c9b6f8be62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7b0b57a718f298c8f2e62b57c2dde87e532fda851f09478d8d092178d71d36f
[INFO] running `Command { std: "docker" "start" "-a" "a7b0b57a718f298c8f2e62b57c2dde87e532fda851f09478d8d092178d71d36f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.74
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling wasm-bindgen v0.2.74
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling enclose v1.1.8
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling dbg v1.0.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling seed v0.8.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling serde_closure v0.3.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.74
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.74
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling serde_closure_derive v0.3.2
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.74
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling js-sys v0.3.51
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling web-sys v0.3.51
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.24
[INFO] [stderr]    Compiling gloo-events v0.1.1
[INFO] [stderr]    Compiling gloo-timers v0.2.1
[INFO] [stderr]    Compiling gloo-file v0.1.0
[INFO] [stderr]    Compiling try_in_browser v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::option::Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/threading/atw.rs:208:13
[INFO] [stdout]     |
[INFO] [stdout] 208 |             self.resrej.borrow_mut().insert((res, rej));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "a7b0b57a718f298c8f2e62b57c2dde87e532fda851f09478d8d092178d71d36f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7b0b57a718f298c8f2e62b57c2dde87e532fda851f09478d8d092178d71d36f", kill_on_drop: false }`
[INFO] [stdout] a7b0b57a718f298c8f2e62b57c2dde87e532fda851f09478d8d092178d71d36f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed90ff621eebd8d3a1208696c7a6bc6a3f9da08c290192ff5952574b3dc4ee09
[INFO] running `Command { std: "docker" "start" "-a" "ed90ff621eebd8d3a1208696c7a6bc6a3f9da08c290192ff5952574b3dc4ee09", kill_on_drop: false }`
[INFO] [stderr]    Compiling try_in_browser v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::option::Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/threading/atw.rs:208:13
[INFO] [stdout]     |
[INFO] [stdout] 208 |             self.resrej.borrow_mut().insert((res, rej));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::option::Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/threading/atw.rs:208:13
[INFO] [stdout]     |
[INFO] [stdout] 208 |             self.resrej.borrow_mut().insert((res, rej));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "ed90ff621eebd8d3a1208696c7a6bc6a3f9da08c290192ff5952574b3dc4ee09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed90ff621eebd8d3a1208696c7a6bc6a3f9da08c290192ff5952574b3dc4ee09", kill_on_drop: false }`
[INFO] [stdout] ed90ff621eebd8d3a1208696c7a6bc6a3f9da08c290192ff5952574b3dc4ee09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9853e0a377cd5a3b41fbb90c35a241c647314350638b884ee0040b1b4df4deee
[INFO] running `Command { std: "docker" "start" "-a" "9853e0a377cd5a3b41fbb90c35a241c647314350638b884ee0040b1b4df4deee", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `std::option::Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/threading/atw.rs:208:13
[INFO] [stderr]     |
[INFO] [stderr] 208 |             self.resrej.borrow_mut().insert((res, rej));
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] 
[INFO] [stderr] warning: `try_in_browser` (lib) generated 1 warning
[INFO] [stderr] warning: `try_in_browser` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/try_in_browser-43c973d9e78594ce)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/runtib-6fd5a7c2235ad045)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lang_test.rs (/opt/rustwide/target/debug/deps/lang_test-6b24b0614f6254c4)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_deadfish ... ok
[INFO] [stdout] test test_s10k ... ok
[INFO] [stdout] test test_slashes ... ok
[INFO] [stderr]    Doc-tests try_in_browser
[INFO] [stdout] test test_brainfuck ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9853e0a377cd5a3b41fbb90c35a241c647314350638b884ee0040b1b4df4deee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9853e0a377cd5a3b41fbb90c35a241c647314350638b884ee0040b1b4df4deee", kill_on_drop: false }`
[INFO] [stdout] 9853e0a377cd5a3b41fbb90c35a241c647314350638b884ee0040b1b4df4deee