[INFO] fetching crate in_stream 0.0.52-alpha2...
[INFO] checking in_stream-0.0.52-alpha2 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate in_stream 0.0.52-alpha2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate in_stream 0.0.52-alpha2 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate in_stream 0.0.52-alpha2
[INFO] finished tweaking crates.io crate in_stream 0.0.52-alpha2
[INFO] tweaked toml for crates.io crate in_stream 0.0.52-alpha2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rcgen v0.8.0
[INFO] [stderr]   Downloaded url2 v0.0.4
[INFO] [stderr]   Downloaded pem v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78e113502d6855ef8ed866f052989b5e4ef5944bc02b5fa8f5b251ea88f6cd42
[INFO] running `Command { std: "docker" "start" "-a" "78e113502d6855ef8ed866f052989b5e4ef5944bc02b5fa8f5b251ea88f6cd42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78e113502d6855ef8ed866f052989b5e4ef5944bc02b5fa8f5b251ea88f6cd42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e113502d6855ef8ed866f052989b5e4ef5944bc02b5fa8f5b251ea88f6cd42", kill_on_drop: false }`
[INFO] [stdout] 78e113502d6855ef8ed866f052989b5e4ef5944bc02b5fa8f5b251ea88f6cd42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aac01a58f754cee74c09d10c6f78724f544e513b97d3bb25f47fbe5e3bb5bc5a
[INFO] running `Command { std: "docker" "start" "-a" "aac01a58f754cee74c09d10c6f78724f544e513b97d3bb25f47fbe5e3bb5bc5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling either v1.6.1
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[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking tinyvec v1.3.0
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]     Checking block-buffer v0.7.3
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[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
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[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking nanoid v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.5.4
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[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking pem v0.7.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stderr]     Checking url2 v0.0.4
[INFO] [stderr]     Checking yasna v0.3.2
[INFO] [stderr]     Checking rcgen v0.8.0
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]    Compiling shrinkwraprs v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking in_stream v0.0.52-alpha2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/mem.rs:359:9
[INFO] [stdout]     |
[INFO] [stdout] 359 |         { parking_lot::Mutex::new(MemManager::new()) };
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/mem.rs:359:9
[INFO] [stdout]     |
[INFO] [stdout] 359 |         { parking_lot::Mutex::new(MemManager::new()) };
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.75s
[INFO] running `Command { std: "docker" "inspect" "aac01a58f754cee74c09d10c6f78724f544e513b97d3bb25f47fbe5e3bb5bc5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aac01a58f754cee74c09d10c6f78724f544e513b97d3bb25f47fbe5e3bb5bc5a", kill_on_drop: false }`
[INFO] [stdout] aac01a58f754cee74c09d10c6f78724f544e513b97d3bb25f47fbe5e3bb5bc5a