[INFO] fetching crate paystack 0.1.1...
[INFO] testing paystack-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate paystack 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate paystack 0.1.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate paystack 0.1.1
[INFO] finished tweaking crates.io crate paystack 0.1.1
[INFO] tweaked toml for crates.io crate paystack 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate paystack 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing v0.1.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cd5f9c204a7e07b3bf8b5feab6cf5104e2e3b753d25bf786c8554c30ed610e6
[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" "1cd5f9c204a7e07b3bf8b5feab6cf5104e2e3b753d25bf786c8554c30ed610e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cd5f9c204a7e07b3bf8b5feab6cf5104e2e3b753d25bf786c8554c30ed610e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cd5f9c204a7e07b3bf8b5feab6cf5104e2e3b753d25bf786c8554c30ed610e6", kill_on_drop: false }`
[INFO] [stdout] 1cd5f9c204a7e07b3bf8b5feab6cf5104e2e3b753d25bf786c8554c30ed610e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f97e7dd6ae9dc3df989811a58b07453cedb2f321fc45d90fa62bef104920c52e
[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" "f97e7dd6ae9dc3df989811a58b07453cedb2f321fc45d90fa62bef104920c52e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling tracing-core v0.1.11
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling tracing v0.1.17
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.7
[INFO] [stderr]    Compiling paystack v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/example/initialize.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub async fn main() -> Result<(), Error> {
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/example/verify.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub async fn main() -> Result<(), Error> {
[INFO] [stdout]   |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/example/charge.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub async fn main() -> Result<(), Error> {
[INFO] [stdout]   |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 17s
[INFO] running `Command { std: "docker" "inspect" "f97e7dd6ae9dc3df989811a58b07453cedb2f321fc45d90fa62bef104920c52e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f97e7dd6ae9dc3df989811a58b07453cedb2f321fc45d90fa62bef104920c52e", kill_on_drop: false }`
[INFO] [stdout] f97e7dd6ae9dc3df989811a58b07453cedb2f321fc45d90fa62bef104920c52e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ae3094f7c083f3132d84b251dbab6fcaf12b0cb95cb779a76627833338651f4
[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" "4ae3094f7c083f3132d84b251dbab6fcaf12b0cb95cb779a76627833338651f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling paystack v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/example/initialize.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub async fn main() -> Result<(), Error> {
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/example/verify.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub async fn main() -> Result<(), Error> {
[INFO] [stdout]   |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/example/charge.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub async fn main() -> Result<(), Error> {
[INFO] [stdout]   |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "4ae3094f7c083f3132d84b251dbab6fcaf12b0cb95cb779a76627833338651f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ae3094f7c083f3132d84b251dbab6fcaf12b0cb95cb779a76627833338651f4", kill_on_drop: false }`
[INFO] [stdout] 4ae3094f7c083f3132d84b251dbab6fcaf12b0cb95cb779a76627833338651f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b3df0b28669ed97f85f5e9235b9cf20d3dd541268730cc36c194f644ea48b679
[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" "b3df0b28669ed97f85f5e9235b9cf20d3dd541268730cc36c194f644ea48b679", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]  --> src/example/initialize.rs:9:14
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub async fn main() -> Result<(), Error> {
[INFO] [stderr]   |              ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]  --> src/example/verify.rs:6:14
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub async fn main() -> Result<(), Error> {
[INFO] [stderr]   |              ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]  --> src/example/charge.rs:9:14
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub async fn main() -> Result<(), Error> {
[INFO] [stderr]   |              ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/paystack-94b36cc24c6086d6
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/paystack-8660799fd6ffd694
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests paystack
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b3df0b28669ed97f85f5e9235b9cf20d3dd541268730cc36c194f644ea48b679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3df0b28669ed97f85f5e9235b9cf20d3dd541268730cc36c194f644ea48b679", kill_on_drop: false }`
[INFO] [stdout] b3df0b28669ed97f85f5e9235b9cf20d3dd541268730cc36c194f644ea48b679