[INFO] fetching crate kurobako 0.2.2...
[INFO] checking kurobako-0.2.2 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate kurobako 0.2.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate kurobako 0.2.2 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 kurobako 0.2.2
[INFO] finished tweaking crates.io crate kurobako 0.2.2
[INFO] tweaked toml for crates.io crate kurobako 0.2.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate kurobako 0.2.2 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 kurobako_problems v0.1.8
[INFO] [stderr]   Downloaded kurobako_solvers v0.2.0
[INFO] [stderr]   Downloaded rustats 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] faa0512f2c2924455bb45534e18535a8f742868a333c3f1f318f100e7878de7f
[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" "faa0512f2c2924455bb45534e18535a8f742868a333c3f1f318f100e7878de7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faa0512f2c2924455bb45534e18535a8f742868a333c3f1f318f100e7878de7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faa0512f2c2924455bb45534e18535a8f742868a333c3f1f318f100e7878de7f", kill_on_drop: false }`
[INFO] [stdout] faa0512f2c2924455bb45534e18535a8f742868a333c3f1f318f100e7878de7f
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4dfa8f249f4af2bab8d3e16840b6d45eb89d29232cc41e5d0b65995c39228854
[INFO] running `Command { std: "docker" "start" "-a" "4dfa8f249f4af2bab8d3e16840b6d45eb89d29232cc41e5d0b65995c39228854", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling rlua v0.17.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking console v0.12.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking ndarray v0.12.1
[INFO] [stderr]     Checking rustats v0.1.1
[INFO] [stderr]     Checking indicatif v0.13.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]     Checking trackable v0.2.23
[INFO] [stderr]     Checking bytecodec v0.4.13
[INFO] [stderr]     Checking hdf5file v0.1.1
[INFO] [stderr]     Checking yamakan v0.1.1
[INFO] [stderr]     Checking protobuf_codec v0.2.8
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking kurobako_core v0.1.7
[INFO] [stderr]     Checking nasbench v0.1.2
[INFO] [stderr]     Checking kurobako_solvers v0.2.0
[INFO] [stderr]     Checking kurobako_problems v0.1.8
[INFO] [stderr]     Checking kurobako v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 50s
[INFO] running `Command { std: "docker" "inspect" "4dfa8f249f4af2bab8d3e16840b6d45eb89d29232cc41e5d0b65995c39228854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dfa8f249f4af2bab8d3e16840b6d45eb89d29232cc41e5d0b65995c39228854", kill_on_drop: false }`
[INFO] [stdout] 4dfa8f249f4af2bab8d3e16840b6d45eb89d29232cc41e5d0b65995c39228854