[INFO] fetching crate rudo 0.6.3...
[INFO] checking rudo-0.6.3 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate rudo 0.6.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rudo 0.6.3 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rudo 0.6.3
[INFO] finished tweaking crates.io crate rudo 0.6.3
[INFO] tweaked toml for crates.io crate rudo 0.6.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rudo 0.6.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded foreign-types-shared v0.3.0
[INFO] [stderr]   Downloaded pam-sys v0.5.6
[INFO] [stderr]   Downloaded utf8-cstr v0.1.6
[INFO] [stderr]   Downloaded build-env v0.3.0
[INFO] [stderr]   Downloaded pam-client v0.2.0
[INFO] [stderr]   Downloaded cstr-argument v0.1.1
[INFO] [stderr]   Downloaded foreign-types-macros v0.2.1
[INFO] [stderr]   Downloaded libc v0.2.92
[INFO] [stderr]   Downloaded libsystemd-sys v0.8.0
[INFO] [stderr]   Downloaded systemd v0.8.2
[INFO] [stderr]   Downloaded rpassword v5.0.1
[INFO] [stderr]   Downloaded syn v1.0.65
[INFO] [stderr]   Downloaded rustversion v1.0.4
[INFO] [stderr]   Downloaded foreign-types v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44c08f9ac452fa5e5ba93c757d56255d7b7b416b3a90f4fbb17aa80e71367329
[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" "44c08f9ac452fa5e5ba93c757d56255d7b7b416b3a90f4fbb17aa80e71367329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44c08f9ac452fa5e5ba93c757d56255d7b7b416b3a90f4fbb17aa80e71367329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44c08f9ac452fa5e5ba93c757d56255d7b7b416b3a90f4fbb17aa80e71367329", kill_on_drop: false }`
[INFO] [stdout] 44c08f9ac452fa5e5ba93c757d56255d7b7b416b3a90f4fbb17aa80e71367329
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c39dfc7f34ef1a28c144d486c505d18d9108cb7b793a5ecf733d3a53307e4bd
[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" "1c39dfc7f34ef1a28c144d486c505d18d9108cb7b793a5ecf733d3a53307e4bd", 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 memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling pam-sys v0.5.6
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking foreign-types-shared v0.3.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking utf8-cstr v0.1.6
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling libsystemd-sys v0.8.0
[INFO] [stderr]     Checking cstr-argument v0.1.1
[INFO] [stderr]     Checking rpassword v5.0.1
[INFO] [stderr]     Checking atty v0.2.14
[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]     Checking foreign-types v0.5.0
[INFO] [stderr]     Checking systemd v0.8.2
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking rudo v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.52s
[INFO] running `Command { std: "docker" "inspect" "1c39dfc7f34ef1a28c144d486c505d18d9108cb7b793a5ecf733d3a53307e4bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c39dfc7f34ef1a28c144d486c505d18d9108cb7b793a5ecf733d3a53307e4bd", kill_on_drop: false }`
[INFO] [stdout] 1c39dfc7f34ef1a28c144d486c505d18d9108cb7b793a5ecf733d3a53307e4bd