[INFO] fetching crate jsonwebtokens 1.0.0-alpha.13...
[INFO] checking jsonwebtokens-1.0.0-alpha.13 against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] extracting crate jsonwebtokens 1.0.0-alpha.13 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate jsonwebtokens 1.0.0-alpha.13 on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonwebtokens 1.0.0-alpha.13
[INFO] finished tweaking crates.io crate jsonwebtokens 1.0.0-alpha.13
[INFO] tweaked toml for crates.io crate jsonwebtokens 1.0.0-alpha.13 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d89267e2e8957d28cfb5cd3d54e0371ab7310b3a7dd18658e84553a85729bdcb
[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" "d89267e2e8957d28cfb5cd3d54e0371ab7310b3a7dd18658e84553a85729bdcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d89267e2e8957d28cfb5cd3d54e0371ab7310b3a7dd18658e84553a85729bdcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d89267e2e8957d28cfb5cd3d54e0371ab7310b3a7dd18658e84553a85729bdcb", kill_on_drop: false }`
[INFO] [stdout] d89267e2e8957d28cfb5cd3d54e0371ab7310b3a7dd18658e84553a85729bdcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6a432723ff83646fd8d6f431f9e62342cd1c8426cf3758fcc3f4587385a92f5
[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" "e6a432723ff83646fd8d6f431f9e62342cd1c8426cf3758fcc3f4587385a92f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking serde v1.0.119
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking tokio-test v0.2.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking simple_asn1 v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking pem v0.7.0
[INFO] [stderr]     Checking jsonwebtokens v1.0.0-alpha.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `get_time`
[INFO] [stdout]  --> tests/common/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn get_time() -> u64 {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.60s
[INFO] running `Command { std: "docker" "inspect" "e6a432723ff83646fd8d6f431f9e62342cd1c8426cf3758fcc3f4587385a92f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6a432723ff83646fd8d6f431f9e62342cd1c8426cf3758fcc3f4587385a92f5", kill_on_drop: false }`
[INFO] [stdout] e6a432723ff83646fd8d6f431f9e62342cd1c8426cf3758fcc3f4587385a92f5