[INFO] cloning repository https://github.com/o0Ignition0o/iomentum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/o0Ignition0o/iomentum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fo0Ignition0o%2Fiomentum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fo0Ignition0o%2Fiomentum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c70ff2231d52a99b0532f218939a959dce006dc
[INFO] checking o0Ignition0o/iomentum against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fo0Ignition0o%2Fiomentum" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/o0Ignition0o/iomentum on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/o0Ignition0o/iomentum
[INFO] finished tweaking git repo https://github.com/o0Ignition0o/iomentum
[INFO] tweaked toml for git repo https://github.com/o0Ignition0o/iomentum written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/o0Ignition0o/iomentum already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.2
[INFO] [stderr]   Downloaded stdweb-internal-runtime v0.1.2
[INFO] [stderr]   Downloaded stdweb v0.4.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 8c03461ceada0fee48bd41dfe4d7719f4998f6a4156a15769321dbb7fe6ae177
[INFO] running `Command { std: "docker" "start" "-a" "8c03461ceada0fee48bd41dfe4d7719f4998f6a4156a15769321dbb7fe6ae177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c03461ceada0fee48bd41dfe4d7719f4998f6a4156a15769321dbb7fe6ae177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c03461ceada0fee48bd41dfe4d7719f4998f6a4156a15769321dbb7fe6ae177", kill_on_drop: false }`
[INFO] [stdout] 8c03461ceada0fee48bd41dfe4d7719f4998f6a4156a15769321dbb7fe6ae177
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3a98a6c9d2c785265a5eb512af0424b841478055c95e99137bbcd7e7d4ff2d8
[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" "c3a98a6c9d2c785265a5eb512af0424b841478055c95e99137bbcd7e7d4ff2d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.2
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling base-x v0.2.3
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking strum v0.11.0
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.2
[INFO] [stderr]    Compiling stdweb v0.4.10
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling strum_macros v0.11.0
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]     Checking yew v0.5.0 (https://github.com/DenisKolodin/yew#504ce8be)
[INFO] [stderr]     Checking iomentum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "c3a98a6c9d2c785265a5eb512af0424b841478055c95e99137bbcd7e7d4ff2d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3a98a6c9d2c785265a5eb512af0424b841478055c95e99137bbcd7e7d4ff2d8", kill_on_drop: false }`
[INFO] [stdout] c3a98a6c9d2c785265a5eb512af0424b841478055c95e99137bbcd7e7d4ff2d8