[INFO] fetching crate postmark 0.4.1...
[INFO] testing postmark-0.4.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate postmark 0.4.1 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate postmark 0.4.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate postmark 0.4.1
[INFO] finished tweaking crates.io crate postmark 0.4.1
[INFO] tweaked toml for crates.io crate postmark 0.4.1 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17435c172668725a1fd88233287571a54ead43672d2818a3d4888b8f138f682d
[INFO] running `Command { std: "docker" "start" "-a" "17435c172668725a1fd88233287571a54ead43672d2818a3d4888b8f138f682d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17435c172668725a1fd88233287571a54ead43672d2818a3d4888b8f138f682d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17435c172668725a1fd88233287571a54ead43672d2818a3d4888b8f138f682d", kill_on_drop: false }`
[INFO] [stdout] 17435c172668725a1fd88233287571a54ead43672d2818a3d4888b8f138f682d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bad3a95c97cadf2c0b289891c9b53e32a61fb690125f174c9c03f350cea74dd
[INFO] running `Command { std: "docker" "start" "-a" "5bad3a95c97cadf2c0b289891c9b53e32a61fb690125f174c9c03f350cea74dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling typed-builder v0.9.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling postmark v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.82s
[INFO] running `Command { std: "docker" "inspect" "5bad3a95c97cadf2c0b289891c9b53e32a61fb690125f174c9c03f350cea74dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bad3a95c97cadf2c0b289891c9b53e32a61fb690125f174c9c03f350cea74dd", kill_on_drop: false }`
[INFO] [stdout] 5bad3a95c97cadf2c0b289891c9b53e32a61fb690125f174c9c03f350cea74dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9d37a2eb0418329c5861821f5d0f64492259d1908414529e49daa4be23eff13
[INFO] running `Command { std: "docker" "start" "-a" "c9d37a2eb0418329c5861821f5d0f64492259d1908414529e49daa4be23eff13", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling h2 v0.3.4
[INFO] [stderr]    Compiling hyper v0.14.12
[INFO] [stderr]    Compiling httptest v0.15.3
[INFO] [stderr]    Compiling postmark v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::reqwest`
[INFO] [stdout]   --> src/api/bounce/delivery_stats.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |     use crate::reqwest::PostmarkClient;
[INFO] [stdout]    |                ^^^^^^^ could not find `reqwest` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::reqwest`
[INFO] [stdout]    --> src/api/email/send_email.rs:175:16
[INFO] [stdout]     |
[INFO] [stdout] 175 |     use crate::reqwest::PostmarkClient;
[INFO] [stdout]     |                ^^^^^^^ could not find `reqwest` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::reqwest`
[INFO] [stdout]   --> src/api/email/send_email_batch.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |     use crate::reqwest::PostmarkClient;
[INFO] [stdout]    |                ^^^^^^^ could not find `reqwest` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `postmark` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "c9d37a2eb0418329c5861821f5d0f64492259d1908414529e49daa4be23eff13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d37a2eb0418329c5861821f5d0f64492259d1908414529e49daa4be23eff13", kill_on_drop: false }`
[INFO] [stdout] c9d37a2eb0418329c5861821f5d0f64492259d1908414529e49daa4be23eff13