[INFO] cloning repository https://github.com/takatori/rust-coin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/takatori/rust-coin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakatori%2Frust-coin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakatori%2Frust-coin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93076f35aca5a0a5c849c8bfcbce0fa0c8c2386e
[INFO] documenting takatori/rust-coin against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakatori%2Frust-coin" "/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/takatori/rust-coin on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/takatori/rust-coin
[INFO] finished tweaking git repo https://github.com/takatori/rust-coin
[INFO] tweaked toml for git repo https://github.com/takatori/rust-coin written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/takatori/rust-coin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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-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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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] 9917606e6b2f4d75bd0c8762ff746bde584499cec7225014ae9e056e3de03265
[INFO] running `Command { std: "docker" "start" "-a" "9917606e6b2f4d75bd0c8762ff746bde584499cec7225014ae9e056e3de03265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9917606e6b2f4d75bd0c8762ff746bde584499cec7225014ae9e056e3de03265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9917606e6b2f4d75bd0c8762ff746bde584499cec7225014ae9e056e3de03265", kill_on_drop: false }`
[INFO] [stdout] 9917606e6b2f4d75bd0c8762ff746bde584499cec7225014ae9e056e3de03265
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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] 48e556ec96435ccfa7f645fe6663beb9adde29df0a65302fdb0d5bfbac9d5e6b
[INFO] running `Command { std: "docker" "start" "-a" "48e556ec96435ccfa7f645fe6663beb9adde29df0a65302fdb0d5bfbac9d5e6b", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.30
[INFO] [stderr]     Checking futures v0.1.16
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking lazycell v0.5.1
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking httparse v1.2.3
[INFO] [stderr]     Checking percent-encoding v1.0.0
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking serde v1.0.15
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking nodrop v0.1.9
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]     Checking mio v0.6.10
[INFO] [stderr]    Compiling unicase v2.0.0
[INFO] [stderr]     Checking mime v0.3.3
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking tokio-io v0.1.3
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.6
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking tokio-core v0.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.15
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking hyper v0.11.2
[INFO] [stderr]     Checking serde_json v1.0.3
[INFO] [stderr]  Documenting rust-coin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: `match` is not allowed in a `const`
[INFO] [stdout]   --> src/main.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |   const HTTP_PORT: i32 = match env::var("HTTP_PORT") {
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 23 | |     Ok(val) => val.parse::<i32>().unwrap(),
[INFO] [stdout] 24 | |     Err(e) => 3001,
[INFO] [stdout] 25 | | };
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #49146 <https://github.com/rust-lang/rust/issues/49146> for more information
[INFO] [stdout]    = help: add `#![feature(const_if_match)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `match` is not allowed in a `const`
[INFO] [stdout]   --> src/main.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |   const P2P_PORT: i32 = match env::var("P2P_PORT") {
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 28 | |     Ok(val) => val.parse::<i32>().unwrap(),
[INFO] [stdout] 29 | |     Err(e) => 6001,
[INFO] [stdout] 30 | | };
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #49146 <https://github.com/rust-lang/rust/issues/49146> for more information
[INFO] [stdout]    = help: add `#![feature(const_if_match)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `rust-coin`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name rust_coin src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern digest=/opt/rustwide/target/debug/deps/libdigest-1e87c97111135d0b.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-fa6d5d97096bfa7c.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-bf22f3a99d59f4ca.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-391743f9ca2caf80.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-fe49869f36656d56.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-ef4aff8d97b2668d.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-d60109ade5af190d.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-024ccca7ae5cd287.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "48e556ec96435ccfa7f645fe6663beb9adde29df0a65302fdb0d5bfbac9d5e6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e556ec96435ccfa7f645fe6663beb9adde29df0a65302fdb0d5bfbac9d5e6b", kill_on_drop: false }`
[INFO] [stdout] 48e556ec96435ccfa7f645fe6663beb9adde29df0a65302fdb0d5bfbac9d5e6b