[INFO] fetching crate espadrille 0.1.0...
[INFO] checking espadrille-0.1.0 against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984
[INFO] extracting crate espadrille 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate espadrille 0.1.0 on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "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-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time v0.1.40
[INFO] [stderr]   Downloaded arrayvec v0.4.7
[INFO] [stderr]   Downloaded rustc-demangle v0.1.9
[INFO] [stderr]   Downloaded cc v1.0.25
[INFO] [stderr]   Downloaded proc-macro2 v0.4.20
[INFO] [stderr]   Downloaded failure_derive v0.1.2
[INFO] [stderr]   Downloaded cfg-if v0.1.5
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded dirs v1.0.4
[INFO] [stderr]   Downloaded synstructure v0.9.0
[INFO] [stderr]   Downloaded redox_users v0.2.0
[INFO] [stderr]   Downloaded failure v0.1.2
[INFO] [stderr]   Downloaded rand v0.4.3
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] [stderr]   Downloaded backtrace-sys v0.1.24
[INFO] [stderr]   Downloaded syn v0.14.9
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded backtrace v0.3.9
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded nodrop v0.1.12
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded quote v0.6.8
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded rand v0.3.22
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dc60b44f5ec28e441b0f6804791dff82b74f622b17cf5e9e43e6ecde9f6f089
[INFO] running `Command { std: "docker" "start" "-a" "7dc60b44f5ec28e441b0f6804791dff82b74f622b17cf5e9e43e6ecde9f6f089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dc60b44f5ec28e441b0f6804791dff82b74f622b17cf5e9e43e6ecde9f6f089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dc60b44f5ec28e441b0f6804791dff82b74f622b17cf5e9e43e6ecde9f6f089", kill_on_drop: false }`
[INFO] [stdout] 7dc60b44f5ec28e441b0f6804791dff82b74f622b17cf5e9e43e6ecde9f6f089
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a962a993c87992c094241cbf9f2c964e99618d2b98b43c1f7c32af1feb122492
[INFO] running `Command { std: "docker" "start" "-a" "a962a993c87992c094241cbf9f2c964e99618d2b98b43c1f7c32af1feb122492", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking espadrille v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `MinorVersion` is never constructed
[INFO] [stdout]   --> src/env.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum PythonVersion {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] 10 |     Any,
[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: variant `MinorVersion` is never constructed
[INFO] [stdout]   --> src/env.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum PythonVersion {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] 10 |     Any,
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.42s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "a962a993c87992c094241cbf9f2c964e99618d2b98b43c1f7c32af1feb122492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a962a993c87992c094241cbf9f2c964e99618d2b98b43c1f7c32af1feb122492", kill_on_drop: false }`
[INFO] [stdout] a962a993c87992c094241cbf9f2c964e99618d2b98b43c1f7c32af1feb122492