[INFO] fetching crate mirai_rs 0.1.1...
[INFO] checking mirai_rs-0.1.1 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate mirai_rs 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mirai_rs 0.1.1 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mirai_rs 0.1.1
[INFO] finished tweaking crates.io crate mirai_rs 0.1.1
[INFO] tweaked toml for crates.io crate mirai_rs 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate mirai_rs 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.60
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.60
[INFO] [stderr]   Downloaded js-sys v0.3.37
[INFO] [stderr]   Downloaded web-sys v0.3.37
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.60
[INFO] [stderr]   Downloaded schannel v0.1.18
[INFO] [stderr]   Downloaded pin-project-internal v0.4.9
[INFO] [stderr]   Downloaded pin-project v0.4.9
[INFO] [stderr]   Downloaded cc v1.0.51
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.60
[INFO] [stderr]   Downloaded tokio v0.2.19
[INFO] [stderr]   Downloaded bumpalo v3.2.1
[INFO] [stderr]   Downloaded security-framework v0.4.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.55
[INFO] [stderr]   Downloaded security-framework-sys v0.4.2
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.10
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.60
[INFO] [stderr]   Downloaded hermit-abi v0.1.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f228208bd854a42e2174abd1e638e99732f450d888ec6bec794ebbbb9eaacc13
[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" "f228208bd854a42e2174abd1e638e99732f450d888ec6bec794ebbbb9eaacc13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f228208bd854a42e2174abd1e638e99732f450d888ec6bec794ebbbb9eaacc13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f228208bd854a42e2174abd1e638e99732f450d888ec6bec794ebbbb9eaacc13", kill_on_drop: false }`
[INFO] [stdout] f228208bd854a42e2174abd1e638e99732f450d888ec6bec794ebbbb9eaacc13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fc1b369fa38b1732ae841ce555f1c4172d7291fac897e4b6671287837cff21c
[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" "4fc1b369fa38b1732ae841ce555f1c4172d7291fac897e4b6671287837cff21c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling cc v1.0.51
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking smallvec v1.3.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking encoding_rs v0.8.22
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking mime_guess v2.0.3
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking tokio v0.2.19
[INFO] [stderr]     Checking pin-project v0.4.9
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]     Checking hyper v0.13.5
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[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]     Checking mirai_rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> examples/subscribe.rs:29:33
[INFO] [stdout]    |
[INFO] [stdout] 29 | ...                   subscriber.send(mp.clone());            // TODO: use Result
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "4fc1b369fa38b1732ae841ce555f1c4172d7291fac897e4b6671287837cff21c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fc1b369fa38b1732ae841ce555f1c4172d7291fac897e4b6671287837cff21c", kill_on_drop: false }`
[INFO] [stdout] 4fc1b369fa38b1732ae841ce555f1c4172d7291fac897e4b6671287837cff21c
