[INFO] crate samuel 0.1.2 is already in cache
[INFO] checking samuel-0.1.2 against try#9ff4d07208097950831ed4ea9d76feb1eafc8baa for pr-69340
[INFO] extracting crate samuel 0.1.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate samuel 0.1.2 on toolchain 9ff4d07208097950831ed4ea9d76feb1eafc8baa
[INFO] running `"/workspace/cargo-home/bin/cargo" "+9ff4d07208097950831ed4ea9d76feb1eafc8baa" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate samuel 0.1.2
[INFO] finished tweaking crates.io crate samuel 0.1.2
[INFO] tweaked toml for crates.io crate samuel 0.1.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+9ff4d07208097950831ed4ea9d76feb1eafc8baa" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+9ff4d07208097950831ed4ea9d76feb1eafc8baa" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "RUSTFLAGS=--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" "/opt/rustwide/cargo-home/bin/cargo" "+9ff4d07208097950831ed4ea9d76feb1eafc8baa" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 46891b19b4716ba33cbe7ed4a199c9309fe1fb970b74b12d16a2beff33068a25
[INFO] running `"docker" "start" "-a" "46891b19b4716ba33cbe7ed4a199c9309fe1fb970b74b12d16a2beff33068a25"`
[INFO] [stderr]     Checking xmlparser v0.8.1
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking roxmltree v0.4.1
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking samuel v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/assertion.rs:323:17
[INFO] [stderr]     |
[INFO] [stderr] 323 |     fn try_from(n: Node) -> Result<Self, Self::Err> {
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/assertion.rs:334:17
[INFO] [stderr]     |
[INFO] [stderr] 334 |     fn try_from(n: Node) -> Result<Self, Self::Err> {
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/assertion.rs:323:17
[INFO] [stderr]     |
[INFO] [stderr] 323 |     fn try_from(n: Node) -> Result<Self, Self::Err> {
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/assertion.rs:334:17
[INFO] [stderr]     |
[INFO] [stderr] 334 |     fn try_from(n: Node) -> Result<Self, Self::Err> {
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.29s
[INFO] running `"docker" "inspect" "46891b19b4716ba33cbe7ed4a199c9309fe1fb970b74b12d16a2beff33068a25"`
[INFO] running `"docker" "rm" "-f" "46891b19b4716ba33cbe7ed4a199c9309fe1fb970b74b12d16a2beff33068a25"`
[INFO] [stdout] 46891b19b4716ba33cbe7ed4a199c9309fe1fb970b74b12d16a2beff33068a25