[INFO] fetching crate espadrille 0.1.0...
[INFO] testing espadrille-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate espadrille 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate espadrille 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate espadrille 0.1.0
[INFO] finished tweaking crates.io crate espadrille 0.1.0
[INFO] tweaked toml for crates.io crate espadrille 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate espadrille 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace v0.3.9
[INFO] [stderr]   Downloaded synstructure v0.9.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded rand v0.3.22
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] [stderr]   Downloaded nodrop v0.1.12
[INFO] [stderr]   Downloaded quote v0.6.8
[INFO] [stderr]   Downloaded redox_users v0.2.0
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[INFO] [stderr]   Downloaded cc v1.0.25
[INFO] [stderr]   Downloaded proc-macro2 v0.4.20
[INFO] [stderr]   Downloaded cfg-if v0.1.5
[INFO] [stderr]   Downloaded arrayvec v0.4.7
[INFO] [stderr]   Downloaded backtrace-sys v0.1.24
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded failure_derive v0.1.2
[INFO] [stderr]   Downloaded failure v0.1.2
[INFO] [stderr]   Downloaded dirs v1.0.4
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] [stderr]   Downloaded rustc-demangle v0.1.9
[INFO] [stderr]   Downloaded time v0.1.40
[INFO] [stderr]   Downloaded rand v0.4.3
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbf28c0952d7143c93f531afd423a8a3efbbaa7e8d3e88c364d6bd1fe52b1bb6
[INFO] running `Command { std: "docker" "start" "-a" "dbf28c0952d7143c93f531afd423a8a3efbbaa7e8d3e88c364d6bd1fe52b1bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbf28c0952d7143c93f531afd423a8a3efbbaa7e8d3e88c364d6bd1fe52b1bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf28c0952d7143c93f531afd423a8a3efbbaa7e8d3e88c364d6bd1fe52b1bb6", kill_on_drop: false }`
[INFO] [stdout] dbf28c0952d7143c93f531afd423a8a3efbbaa7e8d3e88c364d6bd1fe52b1bb6
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7f9a04684e022b9cb26a9b2b76ea833b78ad8135bec2d34c60e73319f16a1f7
[INFO] running `Command { std: "docker" "start" "-a" "e7f9a04684e022b9cb26a9b2b76ea833b78ad8135bec2d34c60e73319f16a1f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling dirs v1.0.4
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling espadrille v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `MinorVersion`
[INFO] [stdout]   --> src/env.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     MinorVersion(u8, u8),
[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 11.24s
[INFO] running `Command { std: "docker" "inspect" "e7f9a04684e022b9cb26a9b2b76ea833b78ad8135bec2d34c60e73319f16a1f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f9a04684e022b9cb26a9b2b76ea833b78ad8135bec2d34c60e73319f16a1f7", kill_on_drop: false }`
[INFO] [stdout] e7f9a04684e022b9cb26a9b2b76ea833b78ad8135bec2d34c60e73319f16a1f7
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c6fa6ea260327de6346d1308958cfae6196653c231fbedd6c6fd8a6f0e37ace
[INFO] running `Command { std: "docker" "start" "-a" "1c6fa6ea260327de6346d1308958cfae6196653c231fbedd6c6fd8a6f0e37ace", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling espadrille v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `MinorVersion`
[INFO] [stdout]   --> src/env.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     MinorVersion(u8, u8),
[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 test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "1c6fa6ea260327de6346d1308958cfae6196653c231fbedd6c6fd8a6f0e37ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c6fa6ea260327de6346d1308958cfae6196653c231fbedd6c6fd8a6f0e37ace", kill_on_drop: false }`
[INFO] [stdout] 1c6fa6ea260327de6346d1308958cfae6196653c231fbedd6c6fd8a6f0e37ace
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b474283df8708bd9a3854c23945ab7c377451cda5ad41a737774c61ca66547c
[INFO] running `Command { std: "docker" "start" "-a" "4b474283df8708bd9a3854c23945ab7c377451cda5ad41a737774c61ca66547c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variant is never constructed: `MinorVersion`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/env.rs:11:5
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 11 |     MinorVersion(u8, u8),
[INFO] [stdout] 
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `espadrille` (bin "espadrille" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/espadrille-47b688d88c85329b)
[INFO] running `Command { std: "docker" "inspect" "4b474283df8708bd9a3854c23945ab7c377451cda5ad41a737774c61ca66547c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b474283df8708bd9a3854c23945ab7c377451cda5ad41a737774c61ca66547c", kill_on_drop: false }`
[INFO] [stdout] 4b474283df8708bd9a3854c23945ab7c377451cda5ad41a737774c61ca66547c