[INFO] fetching crate a8af5cb5ff19b592533efc78ec26fd50aaf8fc60539fa222fbdf031c3 0.0.1...
[INFO] checking a8af5cb5ff19b592533efc78ec26fd50aaf8fc60539fa222fbdf031c3-0.0.1 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate a8af5cb5ff19b592533efc78ec26fd50aaf8fc60539fa222fbdf031c3 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate a8af5cb5ff19b592533efc78ec26fd50aaf8fc60539fa222fbdf031c3 0.0.1 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate a8af5cb5ff19b592533efc78ec26fd50aaf8fc60539fa222fbdf031c3 0.0.1
[INFO] finished tweaking crates.io crate a8af5cb5ff19b592533efc78ec26fd50aaf8fc60539fa222fbdf031c3 0.0.1
[INFO] tweaked toml for crates.io crate a8af5cb5ff19b592533efc78ec26fd50aaf8fc60539fa222fbdf031c3 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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] d17683708762d5b80f736b2c05cb572ea56db9608df07a61653c7f7b2ef8f14e
[INFO] running `Command { std: "docker" "start" "-a" "d17683708762d5b80f736b2c05cb572ea56db9608df07a61653c7f7b2ef8f14e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d17683708762d5b80f736b2c05cb572ea56db9608df07a61653c7f7b2ef8f14e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d17683708762d5b80f736b2c05cb572ea56db9608df07a61653c7f7b2ef8f14e", kill_on_drop: false }`
[INFO] [stdout] d17683708762d5b80f736b2c05cb572ea56db9608df07a61653c7f7b2ef8f14e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6effaf2e6c8538c4f34fbe3d6fc3f59dad17cfe5984fcb5afd7b9d80555ce66
[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" "a6effaf2e6c8538c4f34fbe3d6fc3f59dad17cfe5984fcb5afd7b9d80555ce66", kill_on_drop: false }`
[INFO] [stderr]     Checking a8af5cb5ff19b592533efc78ec26fd50aaf8fc60539fa222fbdf031c3 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "a6effaf2e6c8538c4f34fbe3d6fc3f59dad17cfe5984fcb5afd7b9d80555ce66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6effaf2e6c8538c4f34fbe3d6fc3f59dad17cfe5984fcb5afd7b9d80555ce66", kill_on_drop: false }`
[INFO] [stdout] a6effaf2e6c8538c4f34fbe3d6fc3f59dad17cfe5984fcb5afd7b9d80555ce66