[INFO] updating cached repository https://github.com/theypsilon/rust-bug-crash-cfg-if-macro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a157f041981a7c338ce052f7131e15b6bea491d6
[INFO] testing theypsilon/rust-bug-crash-cfg-if-macro against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheypsilon%2Frust-bug-crash-cfg-if-macro" "/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/theypsilon/rust-bug-crash-cfg-if-macro on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/theypsilon/rust-bug-crash-cfg-if-macro
[INFO] finished tweaking git repo https://github.com/theypsilon/rust-bug-crash-cfg-if-macro
[INFO] tweaked toml for git repo https://github.com/theypsilon/rust-bug-crash-cfg-if-macro written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/theypsilon/rust-bug-crash-cfg-if-macro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03aec3fd17da5bb917c441a9c961eca6f3ee02f183f53035192ed1765a3c7ead
[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" "03aec3fd17da5bb917c441a9c961eca6f3ee02f183f53035192ed1765a3c7ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03aec3fd17da5bb917c441a9c961eca6f3ee02f183f53035192ed1765a3c7ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03aec3fd17da5bb917c441a9c961eca6f3ee02f183f53035192ed1765a3c7ead", kill_on_drop: false }`
[INFO] [stdout] 03aec3fd17da5bb917c441a9c961eca6f3ee02f183f53035192ed1765a3c7ead
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f58a67ff432f1bdaf0d1b6451b07a320c78863eb8a647c3ee224cb660af2fadb
[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" "f58a67ff432f1bdaf0d1b6451b07a320c78863eb8a647c3ee224cb660af2fadb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0428]: the name `foo` is defined multiple times
[INFO] [stdout]   --> src/foo.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | macro_rules! foo {
[INFO] [stdout]    | ---------------- previous definition of the macro `foo` here
[INFO] [stdout] ...
[INFO] [stdout] 13 | macro_rules! foo {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^ `foo` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `foo` must be defined only once in the macro namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::foo`
[INFO] [stdout]  --> src/test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::foo;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0428`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-bug`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f58a67ff432f1bdaf0d1b6451b07a320c78863eb8a647c3ee224cb660af2fadb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f58a67ff432f1bdaf0d1b6451b07a320c78863eb8a647c3ee224cb660af2fadb", kill_on_drop: false }`
[INFO] [stdout] f58a67ff432f1bdaf0d1b6451b07a320c78863eb8a647c3ee224cb660af2fadb