[INFO] cloning repository https://github.com/Obirvalger/vnet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Obirvalger/vnet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FObirvalger%2Fvnet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FObirvalger%2Fvnet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b114a50e995220a38fae5535b0dbf57422c9b25c
[INFO] checking Obirvalger/vnet against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FObirvalger%2Fvnet" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  74% (2835/3808)   
Checking out files:  75% (2856/3808)   
Checking out files:  76% (2895/3808)   
Checking out files:  77% (2933/3808)   
Checking out files:  78% (2971/3808)   
Checking out files:  79% (3009/3808)   
Checking out files:  80% (3047/3808)   
Checking out files:  81% (3085/3808)   
Checking out files:  82% (3123/3808)   
Checking out files:  83% (3161/3808)   
Checking out files:  84% (3199/3808)   
Checking out files:  85% (3237/3808)   
Checking out files:  86% (3275/3808)   
Checking out files:  87% (3313/3808)   
Checking out files:  88% (3352/3808)   
Checking out files:  89% (3390/3808)   
Checking out files:  90% (3428/3808)   
Checking out files:  91% (3466/3808)   
Checking out files:  92% (3504/3808)   
Checking out files:  93% (3542/3808)   
Checking out files:  94% (3580/3808)   
Checking out files:  95% (3618/3808)   
Checking out files:  96% (3656/3808)   
Checking out files:  97% (3694/3808)   
Checking out files:  98% (3732/3808)   
Checking out files:  99% (3770/3808)   
Checking out files: 100% (3808/3808)   
Checking out files: 100% (3808/3808), done.
[INFO] validating manifest of git repo https://github.com/Obirvalger/vnet on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Obirvalger/vnet
[INFO] finished tweaking git repo https://github.com/Obirvalger/vnet
[INFO] tweaked toml for git repo https://github.com/Obirvalger/vnet written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Obirvalger/vnet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fffe87d19c05d47111c133642c9fe6f16ecb5fda2a3edcfd1be5e770fa910674
[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" "fffe87d19c05d47111c133642c9fe6f16ecb5fda2a3edcfd1be5e770fa910674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fffe87d19c05d47111c133642c9fe6f16ecb5fda2a3edcfd1be5e770fa910674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fffe87d19c05d47111c133642c9fe6f16ecb5fda2a3edcfd1be5e770fa910674", kill_on_drop: false }`
[INFO] [stdout] fffe87d19c05d47111c133642c9fe6f16ecb5fda2a3edcfd1be5e770fa910674
[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" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21266056fa816b65b622423f7456006844e040db4e654fcc24564716cc8d3222
[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" "21266056fa816b65b622423f7456006844e040db4e654fcc24564716cc8d3222", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking caps v0.5.0
[INFO] [stderr]     Checking vnet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.45s
[INFO] running `Command { std: "docker" "inspect" "21266056fa816b65b622423f7456006844e040db4e654fcc24564716cc8d3222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21266056fa816b65b622423f7456006844e040db4e654fcc24564716cc8d3222", kill_on_drop: false }`
[INFO] [stdout] 21266056fa816b65b622423f7456006844e040db4e654fcc24564716cc8d3222