[INFO] fetching crate splinter 0.4.1...
[INFO] checking splinter-0.4.1 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate splinter 0.4.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate splinter 0.4.1 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate splinter 0.4.1
[INFO] finished tweaking crates.io crate splinter 0.4.1
[INFO] tweaked toml for crates.io crate splinter 0.4.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate splinter 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded amcl v0.2.0
[INFO] [stderr]   Downloaded serial_test_derive v0.3.2
[INFO] [stderr]   Downloaded serial_test v0.3.2
[INFO] [stderr]   Downloaded int_traits v0.1.1
[INFO] [stderr]   Downloaded sawtooth-sdk v0.4.4
[INFO] [stderr]   Downloaded ursa v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c766397217be63b83b28efba41d4e033d2b48cb022f1853efa538ad99b3283a2
[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" "c766397217be63b83b28efba41d4e033d2b48cb022f1853efa538ad99b3283a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c766397217be63b83b28efba41d4e033d2b48cb022f1853efa538ad99b3283a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c766397217be63b83b28efba41d4e033d2b48cb022f1853efa538ad99b3283a2", kill_on_drop: false }`
[INFO] [stdout] c766397217be63b83b28efba41d4e033d2b48cb022f1853efa538ad99b3283a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f67ee60721a28222693dde0a3868be5f98ed28021a82a33aeb5b59dcc07b211e
[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" "f67ee60721a28222693dde0a3868be5f98ed28021a82a33aeb5b59dcc07b211e", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.12
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tracing v0.1.18
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling protoc v2.16.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling protoc-rust v2.16.2
[INFO] [stderr]    Compiling splinter v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking atomicwrites v0.2.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serial_test_derive v0.3.2
[INFO] [stderr]     Checking serial_test v0.3.2
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 50s
[INFO] running `Command { std: "docker" "inspect" "f67ee60721a28222693dde0a3868be5f98ed28021a82a33aeb5b59dcc07b211e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f67ee60721a28222693dde0a3868be5f98ed28021a82a33aeb5b59dcc07b211e", kill_on_drop: false }`
[INFO] [stdout] f67ee60721a28222693dde0a3868be5f98ed28021a82a33aeb5b59dcc07b211e