[INFO] fetching crate postal-rs 0.1.0...
[INFO] testing postal-rs-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate postal-rs 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate postal-rs 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate postal-rs 0.1.0
[INFO] finished tweaking crates.io crate postal-rs 0.1.0
[INFO] tweaked toml for crates.io crate postal-rs 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebc583bf7af60ccbf9c04db4de7ab1dafa7c1cd0b55398a8e5159bdb7bad9b20
[INFO] running `Command { std: "docker" "start" "-a" "ebc583bf7af60ccbf9c04db4de7ab1dafa7c1cd0b55398a8e5159bdb7bad9b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebc583bf7af60ccbf9c04db4de7ab1dafa7c1cd0b55398a8e5159bdb7bad9b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebc583bf7af60ccbf9c04db4de7ab1dafa7c1cd0b55398a8e5159bdb7bad9b20", kill_on_drop: false }`
[INFO] [stdout] ebc583bf7af60ccbf9c04db4de7ab1dafa7c1cd0b55398a8e5159bdb7bad9b20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf292f3a7e0a7cc560c23b45a9e23c00022088f1d4e25fce0c4fd7bc1b631a73
[INFO] running `Command { std: "docker" "start" "-a" "bf292f3a7e0a7cc560c23b45a9e23c00022088f1d4e25fce0c4fd7bc1b631a73", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling ipnet v2.4.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling tracing v0.1.33
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling hyper v0.13.10
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.10
[INFO] [stderr]    Compiling postal-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.55s
[INFO] running `Command { std: "docker" "inspect" "bf292f3a7e0a7cc560c23b45a9e23c00022088f1d4e25fce0c4fd7bc1b631a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf292f3a7e0a7cc560c23b45a9e23c00022088f1d4e25fce0c4fd7bc1b631a73", kill_on_drop: false }`
[INFO] [stdout] bf292f3a7e0a7cc560c23b45a9e23c00022088f1d4e25fce0c4fd7bc1b631a73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17f14b760454b7e440732b1a0d8f2dc9572d1df224d60eb3e174a657ad45f62a
[INFO] running `Command { std: "docker" "start" "-a" "17f14b760454b7e440732b1a0d8f2dc9572d1df224d60eb3e174a657ad45f62a", kill_on_drop: false }`
[INFO] [stderr]    Compiling postal-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/postal_rs-4504564f72ae567d)
[INFO] running `Command { std: "docker" "inspect" "17f14b760454b7e440732b1a0d8f2dc9572d1df224d60eb3e174a657ad45f62a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17f14b760454b7e440732b1a0d8f2dc9572d1df224d60eb3e174a657ad45f62a", kill_on_drop: false }`
[INFO] [stdout] 17f14b760454b7e440732b1a0d8f2dc9572d1df224d60eb3e174a657ad45f62a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 52284b577b8ecf1ed18911185e6f3c3b6dc54730dc2bcdf619ed2379e5a172a0
[INFO] running `Command { std: "docker" "start" "-a" "52284b577b8ecf1ed18911185e6f3c3b6dc54730dc2bcdf619ed2379e5a172a0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/postal_rs-4504564f72ae567d)
[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] [stderr]    Doc-tests postal-rs
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 5) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/lib.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[tokio::main]
[INFO] [stdout]   |   ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]  --> src/lib.rs:10:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | async fn main() {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0752.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 5)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "52284b577b8ecf1ed18911185e6f3c3b6dc54730dc2bcdf619ed2379e5a172a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52284b577b8ecf1ed18911185e6f3c3b6dc54730dc2bcdf619ed2379e5a172a0", kill_on_drop: false }`
[INFO] [stdout] 52284b577b8ecf1ed18911185e6f3c3b6dc54730dc2bcdf619ed2379e5a172a0