[INFO] fetching crate merkle-tree-bulletin-board 0.1.1...
[INFO] checking merkle-tree-bulletin-board-0.1.1 against try#c05ee43175e02d208faed1fcc0f436c56e48bba6 for pr-92413
[INFO] extracting crate merkle-tree-bulletin-board 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate merkle-tree-bulletin-board 0.1.1 on toolchain c05ee43175e02d208faed1fcc0f436c56e48bba6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate merkle-tree-bulletin-board 0.1.1
[INFO] finished tweaking crates.io crate merkle-tree-bulletin-board 0.1.1
[INFO] tweaked toml for crates.io crate merkle-tree-bulletin-board 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "fetch" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 057be4bc174d4e195f293ab85d236e80447f7ac0bba8d3e89518b276628a73aa
[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" "057be4bc174d4e195f293ab85d236e80447f7ac0bba8d3e89518b276628a73aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "057be4bc174d4e195f293ab85d236e80447f7ac0bba8d3e89518b276628a73aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "057be4bc174d4e195f293ab85d236e80447f7ac0bba8d3e89518b276628a73aa", kill_on_drop: false }`
[INFO] [stdout] 057be4bc174d4e195f293ab85d236e80447f7ac0bba8d3e89518b276628a73aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "check" "--frozen" "--all" "--all-targets" "--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] fe18512402b0668fa76b73b8ffab9d9d72b0c740446eb31e588d6d595b1c7b8f
[INFO] running `Command { std: "docker" "start" "-a" "fe18512402b0668fa76b73b8ffab9d9d72b0c740446eb31e588d6d595b1c7b8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking merkle-tree-bulletin-board v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: lifetime parameter `'r` never used
[INFO] [stdout]    --> src/backend_flatfile.rs:204:6
[INFO] [stdout]     |
[INFO] [stdout] 204 | impl<'r, R: Read> Iterator for TransactionIterator<R> {
[INFO] [stdout]     |      ^^--
[INFO] [stdout]     |      |
[INFO] [stdout]     |      help: elide the unused lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lifetime parameter `'r` never used
[INFO] [stdout]    --> src/backend_flatfile.rs:204:6
[INFO] [stdout]     |
[INFO] [stdout] 204 | impl<'r, R: Read> Iterator for TransactionIterator<R> {
[INFO] [stdout]     |      ^^--
[INFO] [stdout]     |      |
[INFO] [stdout]     |      help: elide the unused lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `merkle-tree-bulletin-board` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fe18512402b0668fa76b73b8ffab9d9d72b0c740446eb31e588d6d595b1c7b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe18512402b0668fa76b73b8ffab9d9d72b0c740446eb31e588d6d595b1c7b8f", kill_on_drop: false }`
[INFO] [stdout] fe18512402b0668fa76b73b8ffab9d9d72b0c740446eb31e588d6d595b1c7b8f