[INFO] fetching crate arbalest 0.2.1...
[INFO] checking arbalest-0.2.1 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate arbalest 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate arbalest 0.2.1 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arbalest 0.2.1
[INFO] finished tweaking crates.io crate arbalest 0.2.1
[INFO] tweaked toml for crates.io crate arbalest 0.2.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7168a61d8c93df1216d476058369c47e545a505d886d42dea1f91d4b0f23e127
[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" "7168a61d8c93df1216d476058369c47e545a505d886d42dea1f91d4b0f23e127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7168a61d8c93df1216d476058369c47e545a505d886d42dea1f91d4b0f23e127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7168a61d8c93df1216d476058369c47e545a505d886d42dea1f91d4b0f23e127", kill_on_drop: false }`
[INFO] [stdout] 7168a61d8c93df1216d476058369c47e545a505d886d42dea1f91d4b0f23e127
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38e39c8454b6fa5cf917b01e9fe23e4e8ae411509f5b86c739397d0f7af8cb99
[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" "38e39c8454b6fa5cf917b01e9fe23e4e8ae411509f5b86c739397d0f7af8cb99", kill_on_drop: false }`
[INFO] [stderr]     Checking arbalest v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/sync.rs:221:32
[INFO] [stdout]     |
[INFO] [stdout] 221 |         if this.inner().strong.compare_and_swap(1, 0, Release) != 1 {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/sync.rs:316:25
[INFO] [stdout]     |
[INFO] [stdout] 316 |         if inner.strong.compare_and_swap(1, MUTABLE_REFCOUNT, Acquire) != 1 {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/sync.rs:917:14
[INFO] [stdout]     |
[INFO] [stdout] 917 |         self.description().fmt(f)
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]     --> src/sync.rs:1217:14
[INFO] [stdout]      |
[INFO] [stdout] 1217 |         self.description().fmt(f)
[INFO] [stdout]      |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/sync.rs:221:32
[INFO] [stdout]     |
[INFO] [stdout] 221 |         if this.inner().strong.compare_and_swap(1, 0, Release) != 1 {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/sync.rs:316:25
[INFO] [stdout]     |
[INFO] [stdout] 316 |         if inner.strong.compare_and_swap(1, MUTABLE_REFCOUNT, Acquire) != 1 {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/sync.rs:917:14
[INFO] [stdout]     |
[INFO] [stdout] 917 |         self.description().fmt(f)
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]     --> src/sync.rs:1217:14
[INFO] [stdout]      |
[INFO] [stdout] 1217 |         self.description().fmt(f)
[INFO] [stdout]      |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "38e39c8454b6fa5cf917b01e9fe23e4e8ae411509f5b86c739397d0f7af8cb99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38e39c8454b6fa5cf917b01e9fe23e4e8ae411509f5b86c739397d0f7af8cb99", kill_on_drop: false }`
[INFO] [stdout] 38e39c8454b6fa5cf917b01e9fe23e4e8ae411509f5b86c739397d0f7af8cb99