[INFO] cloning repository https://github.com/jeffgran/krs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeffgran/krs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffgran%2Fkrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffgran%2Fkrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 235d2893c6a7343795c29da9934a38a2433c985f
[INFO] checking jeffgran/krs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffgran%2Fkrs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeffgran/krs on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jeffgran/krs
[INFO] finished tweaking git repo https://github.com/jeffgran/krs
[INFO] tweaked toml for git repo https://github.com/jeffgran/krs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/jeffgran/krs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a146854499b6eded70bd3d7bb1672b91966738edec4702b60415df0ec8d67b9
[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" "0a146854499b6eded70bd3d7bb1672b91966738edec4702b60415df0ec8d67b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a146854499b6eded70bd3d7bb1672b91966738edec4702b60415df0ec8d67b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a146854499b6eded70bd3d7bb1672b91966738edec4702b60415df0ec8d67b9", kill_on_drop: false }`
[INFO] [stdout] 0a146854499b6eded70bd3d7bb1672b91966738edec4702b60415df0ec8d67b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd826dee2995ad99ecc7f55d57536cc46ffc69b86eb3567f5e79324ca276ce79
[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" "fd826dee2995ad99ecc7f55d57536cc46ffc69b86eb3567f5e79324ca276ce79", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking memchr v2.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking regex v1.0.5
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling synstructure v0.10.0
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling structopt-derive v0.2.12
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking structopt v0.2.12
[INFO] [stderr]     Checking clap-verbosity-flag v0.1.0
[INFO] [stderr]     Checking quicli v0.3.1
[INFO] [stderr]     Checking krs v0.1.0 (/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:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[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:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use quicli::prelude::*;
[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] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `krs`
[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:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[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:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use quicli::prelude::*;
[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] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fd826dee2995ad99ecc7f55d57536cc46ffc69b86eb3567f5e79324ca276ce79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd826dee2995ad99ecc7f55d57536cc46ffc69b86eb3567f5e79324ca276ce79", kill_on_drop: false }`
[INFO] [stdout] fd826dee2995ad99ecc7f55d57536cc46ffc69b86eb3567f5e79324ca276ce79