[INFO] fetching crate rfclib 0.1.0...
[INFO] checking rfclib-0.1.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate rfclib 0.1.0 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate rfclib 0.1.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rfclib 0.1.0
[INFO] finished tweaking crates.io crate rfclib 0.1.0
[INFO] tweaked toml for crates.io crate rfclib 0.1.0 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96b5c3cddfcdf1ec2b1a0a744d79bff0e3fb4e241a9711929619980dca857ce7
[INFO] running `Command { std: "docker" "start" "-a" "96b5c3cddfcdf1ec2b1a0a744d79bff0e3fb4e241a9711929619980dca857ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96b5c3cddfcdf1ec2b1a0a744d79bff0e3fb4e241a9711929619980dca857ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96b5c3cddfcdf1ec2b1a0a744d79bff0e3fb4e241a9711929619980dca857ce7", kill_on_drop: false }`
[INFO] [stdout] 96b5c3cddfcdf1ec2b1a0a744d79bff0e3fb4e241a9711929619980dca857ce7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b587c2e149354997677de06cb1c3db4e7c47723ac55c5022dfb0f2065a377d0
[INFO] running `Command { std: "docker" "start" "-a" "2b587c2e149354997677de06cb1c3db4e7c47723ac55c5022dfb0f2065a377d0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking futures-util v0.3.18
[INFO] [stderr]     Checking futures-channel v0.3.18
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking encoding_rs v0.8.29
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking tokio-test v0.4.2
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.7
[INFO] [stderr]     Checking hyper v0.14.15
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.6
[INFO] [stderr]     Checking rfclib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.99s
[INFO] running `Command { std: "docker" "inspect" "2b587c2e149354997677de06cb1c3db4e7c47723ac55c5022dfb0f2065a377d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b587c2e149354997677de06cb1c3db4e7c47723ac55c5022dfb0f2065a377d0", kill_on_drop: false }`
[INFO] [stdout] 2b587c2e149354997677de06cb1c3db4e7c47723ac55c5022dfb0f2065a377d0