[INFO] cloning repository https://github.com/ClementNerma/RustVM
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ClementNerma/RustVM" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClementNerma%2FRustVM", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClementNerma%2FRustVM'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5af6558f67742f563186063dca761df2c6fdae6
[INFO] checking ClementNerma/RustVM against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClementNerma%2FRustVM" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ClementNerma/RustVM on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ClementNerma/RustVM
[INFO] finished tweaking git repo https://github.com/ClementNerma/RustVM
[INFO] tweaked toml for git repo https://github.com/ClementNerma/RustVM written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ClementNerma/RustVM already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8859b851f3e71bfd749035fd13584cec3ad086d6493533e966c656344df2bf77
[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" "8859b851f3e71bfd749035fd13584cec3ad086d6493533e966c656344df2bf77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8859b851f3e71bfd749035fd13584cec3ad086d6493533e966c656344df2bf77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8859b851f3e71bfd749035fd13584cec3ad086d6493533e966c656344df2bf77", kill_on_drop: false }`
[INFO] [stdout] 8859b851f3e71bfd749035fd13584cec3ad086d6493533e966c656344df2bf77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3216d4d9605ac7d3a69c7d88bf6ef5d34d00c6276a7844a861ccf5021b2cc732
[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" "3216d4d9605ac7d3a69c7d88bf6ef5d34d00c6276a7844a861ccf5021b2cc732", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking mrvm v0.2.0 (/opt/rustwide/workdir/mrvm)
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking mio v0.7.5
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossterm v0.18.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling vergen v3.1.0
[INFO] [stderr]    Compiling customasm v0.11.2 (https://github.com/hlorenzi/customasm.git?branch=main#723cef58)
[INFO] [stderr]     Checking mrvm_tools v0.2.0 (/opt/rustwide/workdir/mrvm_tools)
[INFO] [stderr]     Checking mrvm_aux v0.2.0 (/opt/rustwide/workdir/mrvm_aux)
[INFO] [stderr]     Checking disassemble v0.1.0 (/opt/rustwide/workdir/examples/disassemble)
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/rustwide/workdir/examples/hello_world)
[INFO] [stderr]     Checking async_hw v0.1.0 (/opt/rustwide/workdir/examples/async_hw)
[INFO] [stderr]     Checking hw_detect v0.1.0 (/opt/rustwide/workdir/examples/hw_detect)
[INFO] [stderr]     Checking brainfuck v0.1.0 (/opt/rustwide/workdir/examples/brainfuck)
[INFO] [stderr]     Checking elapsed_time v0.1.0 (/opt/rustwide/workdir/examples/elapsed_time)
[INFO] [stderr]     Checking benchmark v0.1.0 (/opt/rustwide/workdir/examples/benchmark)
[INFO] [stderr]     Checking minimal v0.1.0 (/opt/rustwide/workdir/examples/minimal)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.13s
[INFO] running `Command { std: "docker" "inspect" "3216d4d9605ac7d3a69c7d88bf6ef5d34d00c6276a7844a861ccf5021b2cc732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3216d4d9605ac7d3a69c7d88bf6ef5d34d00c6276a7844a861ccf5021b2cc732", kill_on_drop: false }`
[INFO] [stdout] 3216d4d9605ac7d3a69c7d88bf6ef5d34d00c6276a7844a861ccf5021b2cc732