[INFO] fetching crate pepper 0.4.0...
[INFO] checking pepper-0.4.0 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate pepper 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate pepper 0.4.0 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pepper 0.4.0
[INFO] finished tweaking crates.io crate pepper 0.4.0
[INFO] tweaked toml for crates.io crate pepper 0.4.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate pepper 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58a8b96716eefa2b504035baf390e598c7d2993ef32bd961da9bc59d03e1c50c
[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" "58a8b96716eefa2b504035baf390e598c7d2993ef32bd961da9bc59d03e1c50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58a8b96716eefa2b504035baf390e598c7d2993ef32bd961da9bc59d03e1c50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a8b96716eefa2b504035baf390e598c7d2993ef32bd961da9bc59d03e1c50c", kill_on_drop: false }`
[INFO] [stdout] 58a8b96716eefa2b504035baf390e598c7d2993ef32bd961da9bc59d03e1c50c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26482ded05e83e44502ae8cc46b3b48c17692c558cd4d32e5a5504689d3912f6
[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" "26482ded05e83e44502ae8cc46b3b48c17692c558cd4d32e5a5504689d3912f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking fuzzy-matcher v0.3.5
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling luajit-src v210.1.0+resty31116c4
[INFO] [stderr]    Compiling lua-src v540.0.0
[INFO] [stderr]    Compiling wayland-sys v0.27.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling mlua v0.4.2
[INFO] [stderr]    Compiling wayland-scanner v0.27.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking polling v1.1.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking crossterm v0.18.0
[INFO] [stderr]     Checking xcursor v0.3.2
[INFO] [stderr]    Compiling wayland-client v0.27.0
[INFO] [stderr]    Compiling wayland-protocols v0.27.0
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]     Checking wayland-commons v0.27.0
[INFO] [stderr]     Checking ctrlc v3.1.6
[INFO] [stderr]     Checking argh v0.1.3
[INFO] [stderr]     Checking wayland-cursor v0.27.0
[INFO] [stderr]     Checking x11-clipboard v0.5.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.10.0
[INFO] [stderr]     Checking smithay-clipboard v0.5.1
[INFO] [stderr]     Checking copypasta v0.7.0
[INFO] [stderr]     Checking pepper v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "26482ded05e83e44502ae8cc46b3b48c17692c558cd4d32e5a5504689d3912f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26482ded05e83e44502ae8cc46b3b48c17692c558cd4d32e5a5504689d3912f6", kill_on_drop: false }`
[INFO] [stdout] 26482ded05e83e44502ae8cc46b3b48c17692c558cd4d32e5a5504689d3912f6