[INFO] fetching crate tetsy-jsonrpc-test 15.1.0...
[INFO] checking tetsy-jsonrpc-test-15.1.0 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate tetsy-jsonrpc-test 15.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tetsy-jsonrpc-test 15.1.0 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tetsy-jsonrpc-test 15.1.0
[INFO] finished tweaking crates.io crate tetsy-jsonrpc-test 15.1.0
[INFO] tweaked toml for crates.io crate tetsy-jsonrpc-test 15.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8d1cb8356f13a3acf5d9076da8c208796baaa48dd89ded66be8eee2f46e6480d
[INFO] running `Command { std: "docker" "start" "-a" "8d1cb8356f13a3acf5d9076da8c208796baaa48dd89ded66be8eee2f46e6480d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d1cb8356f13a3acf5d9076da8c208796baaa48dd89ded66be8eee2f46e6480d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d1cb8356f13a3acf5d9076da8c208796baaa48dd89ded66be8eee2f46e6480d", kill_on_drop: false }`
[INFO] [stdout] 8d1cb8356f13a3acf5d9076da8c208796baaa48dd89ded66be8eee2f46e6480d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 953adc7194626f249f2ab283b905e45ec9dc4cb0f77a46aa5df3ea16adc4aa88
[INFO] running `Command { std: "docker" "start" "-a" "953adc7194626f249f2ab283b905e45ec9dc4cb0f77a46aa5df3ea16adc4aa88", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking tetsy-jsonrpc-core v15.1.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]     Checking tetsy-jsonrpc-pubsub v15.1.0
[INFO] [stderr]    Compiling tetsy-jsonrpc-derive v15.1.0
[INFO] [stderr]     Checking tetsy-jsonrpc-client-transports v15.1.0
[INFO] [stderr]     Checking tetsy-jsonrpc-core-client v15.1.0
[INFO] [stderr]     Checking tetsy-jsonrpc-test v15.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.68s
[INFO] running `Command { std: "docker" "inspect" "953adc7194626f249f2ab283b905e45ec9dc4cb0f77a46aa5df3ea16adc4aa88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "953adc7194626f249f2ab283b905e45ec9dc4cb0f77a46aa5df3ea16adc4aa88", kill_on_drop: false }`
[INFO] [stdout] 953adc7194626f249f2ab283b905e45ec9dc4cb0f77a46aa5df3ea16adc4aa88