[INFO] fetching crate async-osc 0.2.0...
[INFO] checking async-osc-0.2.0 against master#2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4 for pr-84385
[INFO] extracting crate async-osc 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate async-osc 0.2.0 on toolchain 2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-osc 0.2.0
[INFO] finished tweaking crates.io crate async-osc 0.2.0
[INFO] tweaked toml for crates.io crate async-osc 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate async-osc 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-lite v1.11.3
[INFO] [stderr]   Downloaded fastrand v1.4.0
[INFO] [stderr]   Downloaded instant v0.1.9
[INFO] [stderr]   Downloaded futures-core v0.3.12
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[INFO] [stderr]   Downloaded futures-channel v0.3.12
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[INFO] [stderr]   Downloaded wasm-bindgen v0.2.70
[INFO] [stderr]   Downloaded async-lock v2.3.0
[INFO] [stderr]   Downloaded cc v1.0.67
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[INFO] [stderr]   Downloaded rosc v0.4.2
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[INFO] [stderr]   Downloaded libc v0.2.86
[INFO] [stderr]   Downloaded web-sys v0.3.47
[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.6
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
[INFO] [stderr]   Downloaded pin-project-lite v0.2.4
[INFO] [stderr]   Downloaded ctor v0.1.19
[INFO] [stderr]   Downloaded thiserror-impl v1.0.24
[INFO] [stderr]   Downloaded thiserror v1.0.24
[INFO] [stderr]   Downloaded async-std v1.9.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.70
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.70
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.70
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.20
[INFO] [stderr]   Downloaded nb-connect v1.0.3
[INFO] [stderr]   Downloaded wepoll-sys v3.0.1
[INFO] [stderr]   Downloaded polling v2.0.2
[INFO] [stderr]   Downloaded vec-arena v1.0.0
[INFO] [stderr]   Downloaded async-io v1.3.1
[INFO] [stderr]   Downloaded signal-hook-registry v1.3.0
[INFO] [stderr]   Downloaded async-process v1.0.2
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.1
[INFO] [stderr]   Downloaded slab v0.4.2
[INFO] [stderr]   Downloaded bumpalo v3.6.1
[INFO] [stderr]   Downloaded futures-io v0.3.12
[INFO] [stderr]   Downloaded syn v1.0.60
[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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2442115614d216296b004f2dee72544484561a71c39a93a117576df28748ab4
[INFO] running `Command { std: "docker" "start" "-a" "d2442115614d216296b004f2dee72544484561a71c39a93a117576df28748ab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2442115614d216296b004f2dee72544484561a71c39a93a117576df28748ab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2442115614d216296b004f2dee72544484561a71c39a93a117576df28748ab4", kill_on_drop: false }`
[INFO] [stdout] d2442115614d216296b004f2dee72544484561a71c39a93a117576df28748ab4
[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" "RUSTDOCFLAGS=--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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3d26290ea3f7f3bc86b31482c2c06fe4aad7651ae410e16dcd2af2cdef89084
[INFO] running `Command { std: "docker" "start" "-a" "b3d26290ea3f7f3bc86b31482c2c06fe4aad7651ae410e16dcd2af2cdef89084", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]    Compiling signal-hook v0.3.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking rosc v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nb-connect v1.0.3
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]    Compiling ctor v0.1.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking async-process v1.0.2
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking async-osc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.39s
[INFO] running `Command { std: "docker" "inspect" "b3d26290ea3f7f3bc86b31482c2c06fe4aad7651ae410e16dcd2af2cdef89084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3d26290ea3f7f3bc86b31482c2c06fe4aad7651ae410e16dcd2af2cdef89084", kill_on_drop: false }`
[INFO] [stdout] b3d26290ea3f7f3bc86b31482c2c06fe4aad7651ae410e16dcd2af2cdef89084