[INFO] fetching crate o5m-stream 2.0.0...
[INFO] checking o5m-stream-2.0.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate o5m-stream 2.0.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate o5m-stream 2.0.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate o5m-stream 2.0.0
[INFO] finished tweaking crates.io crate o5m-stream 2.0.0
[INFO] tweaked toml for crates.io crate o5m-stream 2.0.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate o5m-stream 2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
[INFO] [stderr]   Downloaded pin-project-lite v0.2.6
[INFO] [stderr]   Downloaded futures-macro v0.3.13
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[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.19
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[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.73
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[INFO] [stderr]   Downloaded futures-io v0.3.13
[INFO] [stderr]   Downloaded waker-fn v1.1.0
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[INFO] [stderr]   Downloaded concurrent-queue v1.2.2
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[INFO] [stderr]   Downloaded polling v2.0.3
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[INFO] [stderr]   Downloaded hermit-abi v0.1.18
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[INFO] [stderr]   Downloaded futures-lite v1.11.3
[INFO] [stderr]   Downloaded libc v0.2.93
[INFO] [stderr]   Downloaded async-attributes v1.1.2
[INFO] [stderr]   Downloaded log v0.4.14
[INFO] [stderr]   Downloaded async-lock v2.3.0
[INFO] [stderr]   Downloaded socket2 v0.4.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.24
[INFO] [stderr]   Downloaded vec-arena v1.1.0
[INFO] [stderr]   Downloaded web-sys v0.3.50
[INFO] [stderr]   Downloaded futures-util v0.3.13
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.73
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[INFO] [stderr]   Downloaded wasm-bindgen v0.2.73
[INFO] [stderr]   Downloaded async-io v1.3.1
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[INFO] [stderr]   Downloaded wepoll-sys v3.0.1
[INFO] [stderr]   Downloaded futures-task v0.3.13
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.3
[INFO] [stderr]   Downloaded cc v1.0.67
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[INFO] [stderr]   Downloaded proc-macro2 v1.0.26
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[INFO] [stderr]   Downloaded signal-hook-registry v1.3.0
[INFO] [stderr]   Downloaded gloo-timers v0.2.1
[INFO] [stderr]   Downloaded ctor v0.1.20
[INFO] [stderr]   Downloaded bumpalo v3.6.1
[INFO] [stderr]   Downloaded async-task v4.0.3
[INFO] [stderr]   Downloaded atomic-waker v1.0.0
[INFO] [stderr]   Downloaded kv-log-macro v1.0.7
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.73
[INFO] [stderr]   Downloaded futures-channel v0.3.13
[INFO] [stderr]   Downloaded futures-executor v0.3.13
[INFO] [stderr]   Downloaded syn v1.0.69
[INFO] [stderr]   Downloaded slab v0.4.2
[INFO] [stderr]   Downloaded futures-sink v0.3.13
[INFO] [stderr]   Downloaded futures v0.3.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42da26d7daab4449935eba31518a513196c3038384a4f80a720f7cf99c07d6ef
[INFO] running `Command { std: "docker" "start" "-a" "42da26d7daab4449935eba31518a513196c3038384a4f80a720f7cf99c07d6ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42da26d7daab4449935eba31518a513196c3038384a4f80a720f7cf99c07d6ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42da26d7daab4449935eba31518a513196c3038384a4f80a720f7cf99c07d6ef", kill_on_drop: false }`
[INFO] [stdout] 42da26d7daab4449935eba31518a513196c3038384a4f80a720f7cf99c07d6ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4b4c075a57c7ba484b243e45975f43f878fdff57ad04273b581071edc59fb56
[INFO] running `Command { std: "docker" "start" "-a" "c4b4c075a57c7ba484b243e45975f43f878fdff57ad04273b581071edc59fb56", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking vec-arena v1.1.0
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]    Compiling signal-hook v0.3.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking nb-connect v1.1.0
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.6
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-process v1.0.2
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking o5m-stream v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.90s
[INFO] running `Command { std: "docker" "inspect" "c4b4c075a57c7ba484b243e45975f43f878fdff57ad04273b581071edc59fb56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4b4c075a57c7ba484b243e45975f43f878fdff57ad04273b581071edc59fb56", kill_on_drop: false }`
[INFO] [stdout] c4b4c075a57c7ba484b243e45975f43f878fdff57ad04273b581071edc59fb56