[INFO] cloning repository https://github.com/gdvalle/envsub
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gdvalle/envsub" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgdvalle%2Fenvsub", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgdvalle%2Fenvsub'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed65c7e18b60f2732f4342d9e56da52e0b3f4a8f
[INFO] checking gdvalle/envsub against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgdvalle%2Fenvsub" "/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/gdvalle/envsub 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/gdvalle/envsub
[INFO] finished tweaking git repo https://github.com/gdvalle/envsub
[INFO] tweaked toml for git repo https://github.com/gdvalle/envsub written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/gdvalle/envsub 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 subprocess v0.1.8
[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" "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] 0b71f714219599e3e696b624712f9424a1445d23d3d18437c3c70cfdad78d11d
[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" "0b71f714219599e3e696b624712f9424a1445d23d3d18437c3c70cfdad78d11d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b71f714219599e3e696b624712f9424a1445d23d3d18437c3c70cfdad78d11d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b71f714219599e3e696b624712f9424a1445d23d3d18437c3c70cfdad78d11d", kill_on_drop: false }`
[INFO] [stdout] 0b71f714219599e3e696b624712f9424a1445d23d3d18437c3c70cfdad78d11d
[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" "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] [stdout] 9a24b3ee65215fe18dd8f152d63f79c8f1d112fde71121792e0b653f3ee9c052
[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" "9a24b3ee65215fe18dd8f152d63f79c8f1d112fde71121792e0b653f3ee9c052", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking subprocess v0.1.8
[INFO] [stderr]     Checking aho-corasick v0.6.2
[INFO] [stderr]     Checking envsub v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> tests/tests.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     /// Test data from kubernetes var expansion proposal doc.
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 80 |     let cmd_prefix = "ENVSUB_PREFIX='$(' ENVSUB_SUFFIX=')' VAR_A=A VAR_B=B VAR_C=C VAR_EMPTY=''";
[INFO] [stdout]    |     --------------------------------------------------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "9a24b3ee65215fe18dd8f152d63f79c8f1d112fde71121792e0b653f3ee9c052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a24b3ee65215fe18dd8f152d63f79c8f1d112fde71121792e0b653f3ee9c052", kill_on_drop: false }`
[INFO] [stdout] 9a24b3ee65215fe18dd8f152d63f79c8f1d112fde71121792e0b653f3ee9c052