[INFO] cloning repository https://github.com/JimFawcett/RustLogger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JimFawcett/RustLogger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJimFawcett%2FRustLogger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJimFawcett%2FRustLogger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5985ebedfdb2252445d6a47ad4b0a5a2edb18144
[INFO] checking JimFawcett/RustLogger against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJimFawcett%2FRustLogger" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JimFawcett/RustLogger on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JimFawcett/RustLogger
[INFO] removed path dependency display from git repo https://github.com/JimFawcett/RustLogger
[INFO] finished tweaking git repo https://github.com/JimFawcett/RustLogger
[INFO] tweaked toml for git repo https://github.com/JimFawcett/RustLogger written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/JimFawcett/RustLogger already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (display) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-10/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (display) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf6a689bebe215bb3e0a6ac9462896691ccdd236d104b527eb418bc09d3a06c3
[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" "cf6a689bebe215bb3e0a6ac9462896691ccdd236d104b527eb418bc09d3a06c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf6a689bebe215bb3e0a6ac9462896691ccdd236d104b527eb418bc09d3a06c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf6a689bebe215bb3e0a6ac9462896691ccdd236d104b527eb418bc09d3a06c3", kill_on_drop: false }`
[INFO] [stdout] cf6a689bebe215bb3e0a6ac9462896691ccdd236d104b527eb418bc09d3a06c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d938ee2d368ef53c9578a18dffcaa06b80d57f254a714b5c81ef48e00e16a454
[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" "d938ee2d368ef53c9578a18dffcaa06b80d57f254a714b5c81ef48e00e16a454", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (display) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking pancurses v0.16.1
[INFO] [stderr]     Checking display v0.1.2
[INFO] [stderr]     Checking logger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0659]: `display` is ambiguous (name vs any other name during import resolution)
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use display::*;
[INFO] [stdout]    |     ^^^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: `display` could refer to a crate passed with `--extern`
[INFO] [stdout]    = help: use `::display` to refer to this crate unambiguously
[INFO] [stdout] note: `display` could also refer to the module imported here
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use display::*;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    = help: use `crate::display` to refer to this module unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `display` is ambiguous (name vs any other name during import resolution)
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use display::*;
[INFO] [stdout]    |     ^^^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: `display` could refer to a crate passed with `--extern`
[INFO] [stdout]    = help: use `::display` to refer to this crate unambiguously
[INFO] [stdout] note: `display` could also refer to the module imported here
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use display::*;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    = help: use `crate::display` to refer to this module unambiguously
[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 `logger`
[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" "d938ee2d368ef53c9578a18dffcaa06b80d57f254a714b5c81ef48e00e16a454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d938ee2d368ef53c9578a18dffcaa06b80d57f254a714b5c81ef48e00e16a454", kill_on_drop: false }`
[INFO] [stdout] d938ee2d368ef53c9578a18dffcaa06b80d57f254a714b5c81ef48e00e16a454