[INFO] fetching crate rudo 0.6.4...
[INFO] checking rudo-0.6.4 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate rudo 0.6.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rudo 0.6.4 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rudo 0.6.4
[INFO] finished tweaking crates.io crate rudo 0.6.4
[INFO] tweaked toml for crates.io crate rudo 0.6.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate rudo 0.6.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded foreign-types v0.5.0
[INFO] [stderr]   Downloaded foreign-types-macros v0.2.1
[INFO] [stderr]   Downloaded foreign-types-shared v0.3.0
[INFO] [stderr]   Downloaded pam-sys v0.5.6
[INFO] [stderr]   Downloaded libsystemd-sys v0.8.0
[INFO] [stderr]   Downloaded pam-client v0.2.0
[INFO] [stderr]   Downloaded build-env v0.3.0
[INFO] [stderr]   Downloaded systemd v0.8.2
[INFO] [stderr]   Downloaded utf8-cstr v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddc2b4a20f81d6b78edbd35599f94e1b82f767a3e402cf5d99a04a195dc755bc
[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" "ddc2b4a20f81d6b78edbd35599f94e1b82f767a3e402cf5d99a04a195dc755bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddc2b4a20f81d6b78edbd35599f94e1b82f767a3e402cf5d99a04a195dc755bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc2b4a20f81d6b78edbd35599f94e1b82f767a3e402cf5d99a04a195dc755bc", kill_on_drop: false }`
[INFO] [stdout] ddc2b4a20f81d6b78edbd35599f94e1b82f767a3e402cf5d99a04a195dc755bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 137d41f33b9ac16735a32df299a8d5108931311e46f672481acd3ebbfb6aea35
[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" "137d41f33b9ac16735a32df299a8d5108931311e46f672481acd3ebbfb6aea35", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling build-env v0.3.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling pam-sys v0.5.6
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]     Checking foreign-types-shared v0.3.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking utf8-cstr v0.1.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling libsystemd-sys v0.8.0
[INFO] [stderr]     Checking cstr-argument v0.1.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rpassword v5.0.1
[INFO] [stderr]     Checking users v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking pam-client v0.2.0
[INFO] [stderr]    Compiling foreign-types-macros v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking foreign-types v0.5.0
[INFO] [stderr]     Checking systemd v0.8.2
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking rudo v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.76s
[INFO] running `Command { std: "docker" "inspect" "137d41f33b9ac16735a32df299a8d5108931311e46f672481acd3ebbfb6aea35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "137d41f33b9ac16735a32df299a8d5108931311e46f672481acd3ebbfb6aea35", kill_on_drop: false }`
[INFO] [stdout] 137d41f33b9ac16735a32df299a8d5108931311e46f672481acd3ebbfb6aea35