[INFO] cloning repository https://github.com/rustindia/mpw-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rustindia/mpw-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustindia%2Fmpw-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustindia%2Fmpw-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0150eff7a0eb1f43524d29b1a932f966d24f6a8
[INFO] checking rustindia/mpw-rs against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustindia%2Fmpw-rs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rustindia/mpw-rs on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rustindia/mpw-rs
[INFO] finished tweaking git repo https://github.com/rustindia/mpw-rs
[INFO] tweaked toml for git repo https://github.com/rustindia/mpw-rs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/rustindia/mpw-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blake2-rfc v0.2.17
[INFO] [stderr]   Downloaded rpassword v1.0.2
[INFO] [stderr]   Downloaded base64 v0.7.0
[INFO] [stderr]   Downloaded rprompt v1.0.3
[INFO] [stderr]   Downloaded ring-pwhash v0.11.0
[INFO] [stderr]   Downloaded bcrypt v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 102e85a20bcfd91e6812460d02941da48a0defdd6db71f9cf3477f6093d59ad6
[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" "102e85a20bcfd91e6812460d02941da48a0defdd6db71f9cf3477f6093d59ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "102e85a20bcfd91e6812460d02941da48a0defdd6db71f9cf3477f6093d59ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "102e85a20bcfd91e6812460d02941da48a0defdd6db71f9cf3477f6093d59ad6", kill_on_drop: false }`
[INFO] [stdout] 102e85a20bcfd91e6812460d02941da48a0defdd6db71f9cf3477f6093d59ad6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 678673fe85dbd4248e7023f807cafd6c4f058126147ea0334450b2479f5cf570
[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" "678673fe85dbd4248e7023f807cafd6c4f058126147ea0334450b2479f5cf570", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.31
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling futures v0.1.16
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking rprompt v1.0.3
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]     Checking base64 v0.7.0
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking blake2-rfc v0.2.17
[INFO] [stderr]     Checking rpassword v1.0.2
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking argon2rs v0.2.5
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]    Compiling rayon v0.7.1
[INFO] [stderr]    Compiling ring v0.11.0
[INFO] [stderr]     Checking bcrypt v0.1.4
[INFO] [stderr]     Checking ring-pwhash v0.11.0
[INFO] [stderr]     Checking mpw-rs v2.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.32s
[INFO] running `Command { std: "docker" "inspect" "678673fe85dbd4248e7023f807cafd6c4f058126147ea0334450b2479f5cf570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678673fe85dbd4248e7023f807cafd6c4f058126147ea0334450b2479f5cf570", kill_on_drop: false }`
[INFO] [stdout] 678673fe85dbd4248e7023f807cafd6c4f058126147ea0334450b2479f5cf570