[INFO] fetching crate async-fetcher 0.1.2...
[INFO] checking async-fetcher-0.1.2 against beta for pr-78714
[INFO] extracting crate async-fetcher 0.1.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate async-fetcher 0.1.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-fetcher 0.1.2
[INFO] finished tweaking crates.io crate async-fetcher 0.1.2
[INFO] tweaked toml for crates.io crate async-fetcher 0.1.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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 encoding_rs v0.8.9
[INFO] [stderr]   Downloaded hex-view v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cf0a63fb63f481d5fd81f3d7da7cb35814d39a126d8d9b25f825c4144b9fc08
[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" "8cf0a63fb63f481d5fd81f3d7da7cb35814d39a126d8d9b25f825c4144b9fc08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cf0a63fb63f481d5fd81f3d7da7cb35814d39a126d8d9b25f825c4144b9fc08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cf0a63fb63f481d5fd81f3d7da7cb35814d39a126d8d9b25f825c4144b9fc08", kill_on_drop: false }`
[INFO] [stdout] 8cf0a63fb63f481d5fd81f3d7da7cb35814d39a126d8d9b25f825c4144b9fc08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62af02b756da62c48533a9070688f18b80897960bfc7bbd03a52dedb81b00d41
[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" "62af02b756da62c48533a9070688f18b80897960bfc7bbd03a52dedb81b00d41", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling winapi-build v0.1.1
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[INFO] [stderr]    Compiling backtrace v0.2.3
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[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
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[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]    Compiling encoding_rs v0.8.9
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking hex-view v0.1.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking rand_core v0.3.1
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[INFO] [stderr]    Compiling actix-web v0.7.3
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
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[INFO] [stderr]     Checking owning_ref v0.4.1
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[INFO] [stderr]    Compiling parking_lot_core v0.3.1
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[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking aes v0.3.2
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[INFO] [stderr]     Checking aes-gcm v0.5.0
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[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking parking_lot_core v0.6.2
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[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]     Checking trust-dns-resolver v0.9.1
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking actix v0.7.3
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking async-fetcher v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:52:32
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:52:32
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "62af02b756da62c48533a9070688f18b80897960bfc7bbd03a52dedb81b00d41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62af02b756da62c48533a9070688f18b80897960bfc7bbd03a52dedb81b00d41", kill_on_drop: false }`
[INFO] [stdout] 62af02b756da62c48533a9070688f18b80897960bfc7bbd03a52dedb81b00d41