[INFO] cloning repository https://github.com/casey/boilerplate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/casey/boilerplate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Fboilerplate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Fboilerplate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ac3f4415ebd47d80e9b838dc7caf21998db94cc
[INFO] checking casey/boilerplate against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Fboilerplate" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/casey/boilerplate on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/casey/boilerplate
[INFO] finished tweaking git repo https://github.com/casey/boilerplate
[INFO] tweaked toml for git repo https://github.com/casey/boilerplate written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/casey/boilerplate already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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] fd5cf3959a3c6fd9af2b7c5489a5f2ba38a28ec3004ef7f3f042da40c156cd6f
[INFO] running `Command { std: "docker" "start" "-a" "fd5cf3959a3c6fd9af2b7c5489a5f2ba38a28ec3004ef7f3f042da40c156cd6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd5cf3959a3c6fd9af2b7c5489a5f2ba38a28ec3004ef7f3f042da40c156cd6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd5cf3959a3c6fd9af2b7c5489a5f2ba38a28ec3004ef7f3f042da40c156cd6f", kill_on_drop: false }`
[INFO] [stdout] fd5cf3959a3c6fd9af2b7c5489a5f2ba38a28ec3004ef7f3f042da40c156cd6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29d184e93b1134a81ec609b12a548ef3af00bcf362b1e550e9f5b62a6302121e
[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" "29d184e93b1134a81ec609b12a548ef3af00bcf362b1e550e9f5b62a6302121e", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.3
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking term_size v0.2.2
[INFO] [stderr]     Checking clap v2.20.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.8
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]     Checking brev v0.1.7
[INFO] [stderr]     Checking error-chain v0.9.0
[INFO] [stderr]     Checking boilerplate v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 | /   error_chain!{
[INFO] [stdout] 13 | |     foreign_links {
[INFO] [stdout] 14 | |       Clap(::clap::Error);
[INFO] [stdout] 15 | |     }
[INFO] [stdout] 16 | |   }
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 | /   error_chain!{
[INFO] [stdout] 13 | |     foreign_links {
[INFO] [stdout] 14 | |       Clap(::clap::Error);
[INFO] [stdout] 15 | |     }
[INFO] [stdout] 16 | |   }
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/main.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 | /   error_chain!{
[INFO] [stdout] 13 | |     foreign_links {
[INFO] [stdout] 14 | |       Clap(::clap::Error);
[INFO] [stdout] 15 | |     }
[INFO] [stdout] 16 | |   }
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/main.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 | /   error_chain!{
[INFO] [stdout] 13 | |     foreign_links {
[INFO] [stdout] 14 | |       Clap(::clap::Error);
[INFO] [stdout] 15 | |     }
[INFO] [stdout] 16 | |   }
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.21s
[INFO] running `Command { std: "docker" "inspect" "29d184e93b1134a81ec609b12a548ef3af00bcf362b1e550e9f5b62a6302121e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29d184e93b1134a81ec609b12a548ef3af00bcf362b1e550e9f5b62a6302121e", kill_on_drop: false }`
[INFO] [stdout] 29d184e93b1134a81ec609b12a548ef3af00bcf362b1e550e9f5b62a6302121e