[INFO] cloning repository https://github.com/ivoronin/veil
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ivoronin/veil" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivoronin%2Fveil", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivoronin%2Fveil'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac8c63957da5040d625672ccc120e6193b16b077
[INFO] testing ivoronin/veil against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivoronin%2Fveil" "/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/ivoronin/veil on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ivoronin/veil
[INFO] finished tweaking git repo https://github.com/ivoronin/veil
[INFO] tweaked toml for git repo https://github.com/ivoronin/veil written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ivoronin/veil already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] f1a98392c3f68d5e7ada849e61cf22b16e78e32ee57741791f025b5d175cd39d
[INFO] running `Command { std: "docker" "start" "-a" "f1a98392c3f68d5e7ada849e61cf22b16e78e32ee57741791f025b5d175cd39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1a98392c3f68d5e7ada849e61cf22b16e78e32ee57741791f025b5d175cd39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1a98392c3f68d5e7ada849e61cf22b16e78e32ee57741791f025b5d175cd39d", kill_on_drop: false }`
[INFO] [stdout] f1a98392c3f68d5e7ada849e61cf22b16e78e32ee57741791f025b5d175cd39d
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--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] fd2d5945dcfe90c0b1c1c6d7204a0614d52a390bc6be583fe369ff9fa8a7b9dc
[INFO] running `Command { std: "docker" "start" "-a" "fd2d5945dcfe90c0b1c1c6d7204a0614d52a390bc6be583fe369ff9fa8a7b9dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.94 (https://github.com/rust-lang/libc?rev=a8459287a19ab717352e59994a29f456291167ae#a8459287)
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling veil v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `unveil` in crate `libc`
[INFO] [stdout]   --> src/unveil.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 |         match libc::unveil(path_ptr, permissions_ptr) {
[INFO] [stdout]    |                     ^^^^^^ not found in `libc`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::unveil;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `veil` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "fd2d5945dcfe90c0b1c1c6d7204a0614d52a390bc6be583fe369ff9fa8a7b9dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd2d5945dcfe90c0b1c1c6d7204a0614d52a390bc6be583fe369ff9fa8a7b9dc", kill_on_drop: false }`
[INFO] [stdout] fd2d5945dcfe90c0b1c1c6d7204a0614d52a390bc6be583fe369ff9fa8a7b9dc