[INFO] fetching crate graphql-validate 0.3.1...
[INFO] testing graphql-validate-0.3.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate graphql-validate 0.3.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate graphql-validate 0.3.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graphql-validate 0.3.1
[INFO] finished tweaking crates.io crate graphql-validate 0.3.1
[INFO] tweaked toml for crates.io crate graphql-validate 0.3.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5fc8629d8be46f8562ab2e0f0b625183b91a6a7df7e16ce2ac437cdc8f1b7ab
[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" "a5fc8629d8be46f8562ab2e0f0b625183b91a6a7df7e16ce2ac437cdc8f1b7ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5fc8629d8be46f8562ab2e0f0b625183b91a6a7df7e16ce2ac437cdc8f1b7ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5fc8629d8be46f8562ab2e0f0b625183b91a6a7df7e16ce2ac437cdc8f1b7ab", kill_on_drop: false }`
[INFO] [stdout] a5fc8629d8be46f8562ab2e0f0b625183b91a6a7df7e16ce2ac437cdc8f1b7ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65959a2060b550838955f5638c5d85df113c424944da93baa4d5ddcb07ba9700
[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" "65959a2060b550838955f5638c5d85df113c424944da93baa4d5ddcb07ba9700", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling clap-verbosity-flag v0.1.0
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling quicli v0.3.1
[INFO] [stderr]    Compiling graphql-parser v0.2.3
[INFO] [stderr]    Compiling graphql-validate v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0659]: `structopt` is ambiguous (glob import vs any other name from outer scope during import/macro resolution)
[INFO] [stdout]   --> src/main.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(StructOpt)]
[INFO] [stdout]    |          ^^^^^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: `structopt` could refer to a crate passed with `--extern`
[INFO] [stdout] note: `structopt` could also refer to the module imported here
[INFO] [stdout]   --> src/main.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |     prelude::{Result, *},
[INFO] [stdout]    |                       ^
[INFO] [stdout]    = help: consider adding an explicit import of `structopt` to disambiguate
[INFO] [stdout]    = help: or use `crate::structopt` to refer to this module unambiguously
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::Error`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use failure::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Result`
[INFO] [stdout]   --> src/main.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |     prelude::{Result, *},
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `graphql-validate`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "65959a2060b550838955f5638c5d85df113c424944da93baa4d5ddcb07ba9700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65959a2060b550838955f5638c5d85df113c424944da93baa4d5ddcb07ba9700", kill_on_drop: false }`
[INFO] [stdout] 65959a2060b550838955f5638c5d85df113c424944da93baa4d5ddcb07ba9700