[INFO] cloning repository https://github.com/Keruspe/mnemesis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Keruspe/mnemesis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeruspe%2Fmnemesis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeruspe%2Fmnemesis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd2ed408f6d824b280ff3f63c0e3d2b06e81fabb
[INFO] checking Keruspe/mnemesis against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeruspe%2Fmnemesis" "/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/Keruspe/mnemesis on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Keruspe/mnemesis
[INFO] finished tweaking git repo https://github.com/Keruspe/mnemesis
[INFO] tweaked toml for git repo https://github.com/Keruspe/mnemesis written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Keruspe/mnemesis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha-1 v0.3.4
[INFO] [stderr]   Downloaded oath v0.10.2
[INFO] [stderr]   Downloaded username v0.2.0
[INFO] [stderr]   Downloaded file v1.1.2
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99efab3a5848dc0ce38a62f71d7c867dfd58e8abce31a3a3a697639dbbdbc504
[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" "99efab3a5848dc0ce38a62f71d7c867dfd58e8abce31a3a3a697639dbbdbc504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99efab3a5848dc0ce38a62f71d7c867dfd58e8abce31a3a3a697639dbbdbc504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99efab3a5848dc0ce38a62f71d7c867dfd58e8abce31a3a3a697639dbbdbc504", kill_on_drop: false }`
[INFO] [stdout] 99efab3a5848dc0ce38a62f71d7c867dfd58e8abce31a3a3a697639dbbdbc504
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] b66536ff4c729d1eea42eda34a36212b5298d1082a6346683727711bdf7abbab
[INFO] running `Command { std: "docker" "start" "-a" "b66536ff4c729d1eea42eda34a36212b5298d1082a6346683727711bdf7abbab", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking byte-tools v0.1.3
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking rustc-hex v1.0.0
[INFO] [stderr]     Checking base32 v0.4.0
[INFO] [stderr]     Checking file v1.1.2
[INFO] [stderr]     Checking rprompt v1.0.3
[INFO] [stderr]     Checking username v0.2.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking rpassword v3.0.2
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking generic-array v0.7.3
[INFO] [stderr]     Checking digest v0.5.2
[INFO] [stderr]     Checking digest-buffer v0.3.1
[INFO] [stderr]     Checking crypto-mac v0.3.0
[INFO] [stderr]     Checking sha-1 v0.3.4
[INFO] [stderr]     Checking sha2 v0.5.3
[INFO] [stderr]     Checking hmac v0.1.1
[INFO] [stderr]     Checking oath v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking mnemesis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.60s
[INFO] running `Command { std: "docker" "inspect" "b66536ff4c729d1eea42eda34a36212b5298d1082a6346683727711bdf7abbab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b66536ff4c729d1eea42eda34a36212b5298d1082a6346683727711bdf7abbab", kill_on_drop: false }`
[INFO] [stdout] b66536ff4c729d1eea42eda34a36212b5298d1082a6346683727711bdf7abbab