[INFO] fetching crate streamcatcher 0.1.0...
[INFO] checking streamcatcher-0.1.0 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate streamcatcher 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate streamcatcher 0.1.0 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate streamcatcher 0.1.0
[INFO] removed 1 missing tests
[INFO] finished tweaking crates.io crate streamcatcher 0.1.0
[INFO] tweaked toml for crates.io crate streamcatcher 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-compat v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a2874ceed2e721f4f8703bd3c2a87475f4e8440ae19437e56efd836b6881b35
[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" "2a2874ceed2e721f4f8703bd3c2a87475f4e8440ae19437e56efd836b6881b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a2874ceed2e721f4f8703bd3c2a87475f4e8440ae19437e56efd836b6881b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a2874ceed2e721f4f8703bd3c2a87475f4e8440ae19437e56efd836b6881b35", kill_on_drop: false }`
[INFO] [stdout] 2a2874ceed2e721f4f8703bd3c2a87475f4e8440ae19437e56efd836b6881b35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 455ff082b604af861461aa81c5030f17d51a01ef63efc6c5cac75987b264a6a2
[INFO] running `Command { std: "docker" "start" "-a" "455ff082b604af861461aa81c5030f17d51a01ef63efc6c5cac75987b264a6a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking vec-arena v0.5.2
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking easy-parallel v3.1.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking multitask v0.2.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking synchronoise v1.0.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking polling v0.1.9
[INFO] [stderr]     Checking polling v1.1.0
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking async-io v1.1.6
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking smol v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking async-std v1.6.5
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking futures-executor v0.3.7
[INFO] [stderr]     Checking streamcatcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stdout] warning: unused return value of `ManuallyDrop::<T>::new` that must be used
[INFO] [stdout]    --> src/standard.rs:465:7
[INFO] [stdout]     |
[INFO] [stdout] 465 |                         ManuallyDrop::new(el.data);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the wrapper, you can use `mem::forget` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stdout] error: couldn't read benches/allocs.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `streamcatcher`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: couldn't read benches/vary-threads.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::*`
[INFO] [stdout]    --> src/standard.rs:785:6
[INFO] [stdout]     |
[INFO] [stdout] 785 |     use crate::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `ManuallyDrop::<T>::new` that must be used
[INFO] [stdout]    --> src/standard.rs:465:7
[INFO] [stdout]     |
[INFO] [stdout] 465 |                         ManuallyDrop::new(el.data);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the wrapper, you can use `mem::forget` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "455ff082b604af861461aa81c5030f17d51a01ef63efc6c5cac75987b264a6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "455ff082b604af861461aa81c5030f17d51a01ef63efc6c5cac75987b264a6a2", kill_on_drop: false }`
[INFO] [stdout] 455ff082b604af861461aa81c5030f17d51a01ef63efc6c5cac75987b264a6a2