[INFO] cloning repository https://github.com/npmccallum/isonet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/npmccallum/isonet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnpmccallum%2Fisonet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnpmccallum%2Fisonet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b06a07e0cc71a4a16ceee6599b87d083d6a704e
[INFO] checking npmccallum/isonet against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnpmccallum%2Fisonet" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/npmccallum/isonet on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/npmccallum/isonet
[INFO] finished tweaking git repo https://github.com/npmccallum/isonet
[INFO] tweaked toml for git repo https://github.com/npmccallum/isonet written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/npmccallum/isonet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0e059dad59fa8cda004bc5ad253ead6ca9b41de9cd23cd67154d149e6f651e0
[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" "a0e059dad59fa8cda004bc5ad253ead6ca9b41de9cd23cd67154d149e6f651e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0e059dad59fa8cda004bc5ad253ead6ca9b41de9cd23cd67154d149e6f651e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e059dad59fa8cda004bc5ad253ead6ca9b41de9cd23cd67154d149e6f651e0", kill_on_drop: false }`
[INFO] [stdout] a0e059dad59fa8cda004bc5ad253ead6ca9b41de9cd23cd67154d149e6f651e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d220148282a1530f42cf2ff3375a3211ce3836f7b31083591743c6d836a0f353
[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" "d220148282a1530f42cf2ff3375a3211ce3836f7b31083591743c6d836a0f353", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking netlink-sys v0.6.0
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking netlink-packet-utils v0.4.0
[INFO] [stderr]     Checking netlink-packet-core v0.2.4
[INFO] [stderr]     Checking netlink-packet-route v0.7.0
[INFO] [stderr]     Checking isol8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.47s
[INFO] running `Command { std: "docker" "inspect" "d220148282a1530f42cf2ff3375a3211ce3836f7b31083591743c6d836a0f353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d220148282a1530f42cf2ff3375a3211ce3836f7b31083591743c6d836a0f353", kill_on_drop: false }`
[INFO] [stdout] d220148282a1530f42cf2ff3375a3211ce3836f7b31083591743c6d836a0f353