[INFO] cloning repository https://github.com/jyn514/tokio-leak-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jyn514/tokio-leak-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjyn514%2Ftokio-leak-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjyn514%2Ftokio-leak-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ede8c8547c6e0053e7425912a0a0e617cd0cbb4
[INFO] documenting jyn514/tokio-leak-example against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjyn514%2Ftokio-leak-example" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jyn514/tokio-leak-example on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jyn514/tokio-leak-example
[INFO] finished tweaking git repo https://github.com/jyn514/tokio-leak-example
[INFO] tweaked toml for git repo https://github.com/jyn514/tokio-leak-example written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/jyn514/tokio-leak-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] debec07c04f16ac18a2284eef4340289ff9d364056d11a87cecb39f4f78d6e23
[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" "debec07c04f16ac18a2284eef4340289ff9d364056d11a87cecb39f4f78d6e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "debec07c04f16ac18a2284eef4340289ff9d364056d11a87cecb39f4f78d6e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "debec07c04f16ac18a2284eef4340289ff9d364056d11a87cecb39f4f78d6e23", kill_on_drop: false }`
[INFO] [stdout] debec07c04f16ac18a2284eef4340289ff9d364056d11a87cecb39f4f78d6e23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] fef974ea7ef141fb4684b3f06accb84b18123db9cca321a3d2f5c004cb9fcf0f
[INFO] running `Command { std: "docker" "start" "-a" "fef974ea7ef141fb4684b3f06accb84b18123db9cca321a3d2f5c004cb9fcf0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]     Checking bytes v0.5.5
[INFO] [stderr]    Compiling cc v1.0.55
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]    Compiling rusoto_core v0.44.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking addr2line v0.12.2
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking rusoto_credential v0.44.0
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking rusoto_signature v0.44.0
[INFO] [stderr]     Checking rusoto_s3 v0.44.0
[INFO] [stderr]  Documenting tokio-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 52s
[INFO] running `Command { std: "docker" "inspect" "fef974ea7ef141fb4684b3f06accb84b18123db9cca321a3d2f5c004cb9fcf0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef974ea7ef141fb4684b3f06accb84b18123db9cca321a3d2f5c004cb9fcf0f", kill_on_drop: false }`
[INFO] [stdout] fef974ea7ef141fb4684b3f06accb84b18123db9cca321a3d2f5c004cb9fcf0f