[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#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustindia%2Fmpw-rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rustindia/mpw-rs 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 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-1/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scopeguard v0.3.2
[INFO] [stderr]   Downloaded textwrap v0.8.0
[INFO] [stderr]   Downloaded base64 v0.7.0
[INFO] [stderr]   Downloaded rprompt v1.0.3
[INFO] [stderr]   Downloaded clap v2.26.2
[INFO] [stderr]   Downloaded futures v0.1.16
[INFO] [stderr]   Downloaded data-encoding v1.2.0
[INFO] [stderr]   Downloaded libc v0.2.31
[INFO] [stderr]   Downloaded rpassword v1.0.2
[INFO] [stderr]   Downloaded blake2-rfc v0.2.17
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23cb3acf71c8b300f1d2b80758512db25e092af03d0c3baf6b6316bf1a9a2f7c
[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" "23cb3acf71c8b300f1d2b80758512db25e092af03d0c3baf6b6316bf1a9a2f7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23cb3acf71c8b300f1d2b80758512db25e092af03d0c3baf6b6316bf1a9a2f7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23cb3acf71c8b300f1d2b80758512db25e092af03d0c3baf6b6316bf1a9a2f7c", kill_on_drop: false }`
[INFO] [stdout] 23cb3acf71c8b300f1d2b80758512db25e092af03d0c3baf6b6316bf1a9a2f7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 89d1dac79890696b79f86c3fe26bef3bf6597f27d2d08664f38079f330a6dfab
[INFO] running `Command { std: "docker" "start" "-a" "89d1dac79890696b79f86c3fe26bef3bf6597f27d2d08664f38079f330a6dfab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.31
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.2
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling futures v0.1.16
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking data-encoding v1.2.0
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking rpassword v1.0.2
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking blake2-rfc v0.2.17
[INFO] [stderr]     Checking base64 v0.7.0
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]     Checking argon2rs v0.2.5
[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 22.57s
[INFO] running `Command { std: "docker" "inspect" "89d1dac79890696b79f86c3fe26bef3bf6597f27d2d08664f38079f330a6dfab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89d1dac79890696b79f86c3fe26bef3bf6597f27d2d08664f38079f330a6dfab", kill_on_drop: false }`
[INFO] [stdout] 89d1dac79890696b79f86c3fe26bef3bf6597f27d2d08664f38079f330a6dfab