[INFO] fetching crate avatar-cli 0.18.1...
[INFO] checking avatar-cli-0.18.1 against beta for pr-78714
[INFO] extracting crate avatar-cli 0.18.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate avatar-cli 0.18.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate avatar-cli 0.18.1
[INFO] finished tweaking crates.io crate avatar-cli 0.18.1
[INFO] tweaked toml for crates.io crate avatar-cli 0.18.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate avatar-cli 0.18.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8ee61de22d217ec370bc49876ee0623cfcc65e7950c1789dd229d158338094f
[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" "a8ee61de22d217ec370bc49876ee0623cfcc65e7950c1789dd229d158338094f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8ee61de22d217ec370bc49876ee0623cfcc65e7950c1789dd229d158338094f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8ee61de22d217ec370bc49876ee0623cfcc65e7950c1789dd229d158338094f", kill_on_drop: false }`
[INFO] [stdout] a8ee61de22d217ec370bc49876ee0623cfcc65e7950c1789dd229d158338094f
[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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 457a7e2dd2d0da37de2045ff20d791c50e9494bd46a33b3ce96a6d33ff8334bd
[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" "457a7e2dd2d0da37de2045ff20d791c50e9494bd46a33b3ce96a6d33ff8334bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking os_pipe v0.9.2
[INFO] [stderr]     Checking shared_child v0.3.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking duct v0.13.4
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking which v4.0.2
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking avatar-cli v0.18.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "457a7e2dd2d0da37de2045ff20d791c50e9494bd46a33b3ce96a6d33ff8334bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "457a7e2dd2d0da37de2045ff20d791c50e9494bd46a33b3ce96a6d33ff8334bd", kill_on_drop: false }`
[INFO] [stdout] 457a7e2dd2d0da37de2045ff20d791c50e9494bd46a33b3ce96a6d33ff8334bd