[INFO] cloning repository https://github.com/alienzj/lifetk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alienzj/lifetk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falienzj%2Flifetk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falienzj%2Flifetk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15fc837b7f7688cf1901b4b42d4104c8bb3891f9
[INFO] checking alienzj/lifetk against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falienzj%2Flifetk" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alienzj/lifetk on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alienzj/lifetk
[INFO] finished tweaking git repo https://github.com/alienzj/lifetk
[INFO] tweaked toml for git repo https://github.com/alienzj/lifetk written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/alienzj/lifetk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.104
[INFO] [stderr]   Downloaded ryu v1.0.3
[INFO] [stderr]   Downloaded num-bigint v0.2.6
[INFO] [stderr]   Downloaded serde-pickle v0.6.0
[INFO] [stderr]   Downloaded serde_json v1.0.48
[INFO] [stderr]   Downloaded iter-read v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", 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] 695acec532203cc127c9819ec42024852de18ce2c278b361fc9b012f17b196c3
[INFO] running `Command { std: "docker" "start" "-a" "695acec532203cc127c9819ec42024852de18ce2c278b361fc9b012f17b196c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "695acec532203cc127c9819ec42024852de18ce2c278b361fc9b012f17b196c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "695acec532203cc127c9819ec42024852de18ce2c278b361fc9b012f17b196c3", kill_on_drop: false }`
[INFO] [stdout] 695acec532203cc127c9819ec42024852de18ce2c278b361fc9b012f17b196c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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] de5f7ab0983b49010c85a6229602573e2fe4f70c7f45cd1f549e20825c761c2a
[INFO] running `Command { std: "docker" "start" "-a" "de5f7ab0983b49010c85a6229602573e2fe4f70c7f45cd1f549e20825c761c2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking iter-read v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking serde-pickle v0.6.0
[INFO] [stderr]     Checking lifetk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.14s
[INFO] running `Command { std: "docker" "inspect" "de5f7ab0983b49010c85a6229602573e2fe4f70c7f45cd1f549e20825c761c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de5f7ab0983b49010c85a6229602573e2fe4f70c7f45cd1f549e20825c761c2a", kill_on_drop: false }`
[INFO] [stdout] de5f7ab0983b49010c85a6229602573e2fe4f70c7f45cd1f549e20825c761c2a