[INFO] crate in_stream 0.0.49-alpha1 is already in cache
[INFO] checking in_stream-0.0.49-alpha1 against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] extracting crate in_stream 0.0.49-alpha1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate in_stream 0.0.49-alpha1 on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate in_stream 0.0.49-alpha1
[INFO] finished tweaking crates.io crate in_stream 0.0.49-alpha1
[INFO] tweaked toml for crates.io crate in_stream 0.0.49-alpha1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a6ab922be100fd35327997291967968c6eb0fc61ed42e0183402ac29ca39eb3
[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" "8a6ab922be100fd35327997291967968c6eb0fc61ed42e0183402ac29ca39eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a6ab922be100fd35327997291967968c6eb0fc61ed42e0183402ac29ca39eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a6ab922be100fd35327997291967968c6eb0fc61ed42e0183402ac29ca39eb3", kill_on_drop: false }`
[INFO] [stdout] 8a6ab922be100fd35327997291967968c6eb0fc61ed42e0183402ac29ca39eb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a6cfa210a8bcb5b3c57065d426ff0481e5a877bdafa7ddff0656215def8a469
[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" "4a6cfa210a8bcb5b3c57065d426ff0481e5a877bdafa7ddff0656215def8a469", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking nanoid v0.2.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking url2 v0.0.4
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling shrinkwraprs v0.2.3
[INFO] [stderr]     Checking in_stream v0.0.49-alpha1 (/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 1m 01s
[INFO] running `Command { std: "docker" "inspect" "4a6cfa210a8bcb5b3c57065d426ff0481e5a877bdafa7ddff0656215def8a469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a6cfa210a8bcb5b3c57065d426ff0481e5a877bdafa7ddff0656215def8a469", kill_on_drop: false }`
[INFO] [stdout] 4a6cfa210a8bcb5b3c57065d426ff0481e5a877bdafa7ddff0656215def8a469