[INFO] fetching crate k8s-tpl 0.5.0...
[INFO] checking k8s-tpl-0.5.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate k8s-tpl 0.5.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate k8s-tpl 0.5.0
[INFO] finished tweaking crates.io crate k8s-tpl 0.5.0
[INFO] tweaked toml for crates.io crate k8s-tpl 0.5.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate k8s-tpl 0.5.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate k8s-tpl 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef9ffdefffbe8134fe40bdf27b8f9077dd36d796dac72ac14ae70f8f6fc8afe4
[INFO] running `Command { std: "docker" "start" "-a" "ef9ffdefffbe8134fe40bdf27b8f9077dd36d796dac72ac14ae70f8f6fc8afe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef9ffdefffbe8134fe40bdf27b8f9077dd36d796dac72ac14ae70f8f6fc8afe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef9ffdefffbe8134fe40bdf27b8f9077dd36d796dac72ac14ae70f8f6fc8afe4", kill_on_drop: false }`
[INFO] [stdout] ef9ffdefffbe8134fe40bdf27b8f9077dd36d796dac72ac14ae70f8f6fc8afe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c4b565d7fdc35585c2cf39424de3884267a78d1a8fc90c84ce44b6dfd80cc35
[INFO] running `Command { std: "docker" "start" "-a" "9c4b565d7fdc35585c2cf39424de3884267a78d1a8fc90c84ce44b6dfd80cc35", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking gtmpl_value v0.3.3
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]     Checking gtmpl v0.5.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.18
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking thiserror v1.0.18
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking k8s-tpl v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     /// The path to a configuration YAML file.
[INFO] [stdout] 16 | |     ///
[INFO] [stdout] 17 | |     /// The YAML file should contain a single document with a mapping at the root. All mappings in
[INFO] [stdout] 18 | |     /// the document must have only string keys.
[INFO] [stdout] 19 | |     #[structopt(long, short)]
[INFO] [stdout] 20 | |     config: Option<String>,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     /// The path to a Kubernetes manifest template.
[INFO] [stdout] 23 | |     filename: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `k8s-tpl` (bin "k8s-tpl" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     /// The path to a configuration YAML file.
[INFO] [stdout] 16 | |     ///
[INFO] [stdout] 17 | |     /// The YAML file should contain a single document with a mapping at the root. All mappings in
[INFO] [stdout] 18 | |     /// the document must have only string keys.
[INFO] [stdout] 19 | |     #[structopt(long, short)]
[INFO] [stdout] 20 | |     config: Option<String>,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     /// The path to a Kubernetes manifest template.
[INFO] [stdout] 23 | |     filename: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `k8s-tpl` (bin "k8s-tpl") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "9c4b565d7fdc35585c2cf39424de3884267a78d1a8fc90c84ce44b6dfd80cc35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c4b565d7fdc35585c2cf39424de3884267a78d1a8fc90c84ce44b6dfd80cc35", kill_on_drop: false }`
[INFO] [stdout] 9c4b565d7fdc35585c2cf39424de3884267a78d1a8fc90c84ce44b6dfd80cc35
