[INFO] fetching crate libghost 0.4.6...
[INFO] testing libghost-0.4.6 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate libghost 0.4.6 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate libghost 0.4.6
[INFO] finished tweaking crates.io crate libghost 0.4.6
[INFO] tweaked toml for crates.io crate libghost 0.4.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libghost 0.4.6 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 43 packages to latest compatible versions
[INFO] [stderr]       Adding pros v0.8.0 (available: v0.9.0)
[INFO] [stderr]       Adding pros-core v0.1.0 (available: v0.1.1)
[INFO] [stderr]       Adding pros-panic v0.1.0 (available: v0.1.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98840ca000945e22cc5e85d09f478ab2a3b4c78748f0011f066ded8d61c77d94
[INFO] running `Command { std: "docker" "start" "-a" "98840ca000945e22cc5e85d09f478ab2a3b4c78748f0011f066ded8d61c77d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98840ca000945e22cc5e85d09f478ab2a3b4c78748f0011f066ded8d61c77d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98840ca000945e22cc5e85d09f478ab2a3b4c78748f0011f066ded8d61c77d94", kill_on_drop: false }`
[INFO] [stdout] 98840ca000945e22cc5e85d09f478ab2a3b4c78748f0011f066ded8d61c77d94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b449881c0ec86369572391de94d1af51e405f61c72f8cf7e46f048d6946fde89
[INFO] running `Command { std: "docker" "start" "-a" "b449881c0ec86369572391de94d1af51e405f61c72f8cf7e46f048d6946fde89", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling pros-sys v0.7.0
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling no_std_io v0.6.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling snafu-derive v0.8.9
[INFO] [stderr]    Compiling snafu v0.8.9
[INFO] [stderr]    Compiling pros-core v0.1.0
[INFO] [stderr]    Compiling pros-devices v0.1.0
[INFO] [stderr]    Compiling pros-math v0.1.0
[INFO] [stderr]    Compiling pros-async v0.1.0
[INFO] [stderr]    Compiling pros-panic v0.1.0
[INFO] [stderr]    Compiling pros v0.8.0
[INFO] [stderr]    Compiling libghost v0.4.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/drive.rs:142:29
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn parse_combination(comb: &'static str) -> Vec<&str> {
[INFO] [stdout]     |                             ^^^^^^^             ---- the same lifetime is elided here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'static`
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn parse_combination(comb: &'static str) -> Vec<&'static str> {
[INFO] [stdout]     |                                                  +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.08s
[INFO] running `Command { std: "docker" "inspect" "b449881c0ec86369572391de94d1af51e405f61c72f8cf7e46f048d6946fde89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b449881c0ec86369572391de94d1af51e405f61c72f8cf7e46f048d6946fde89", kill_on_drop: false }`
[INFO] [stdout] b449881c0ec86369572391de94d1af51e405f61c72f8cf7e46f048d6946fde89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 327d1c45d1e532f54248e979c65ce9ac688e0118e388463b1fd48853a10db410
[INFO] running `Command { std: "docker" "start" "-a" "327d1c45d1e532f54248e979c65ce9ac688e0118e388463b1fd48853a10db410", kill_on_drop: false }`
[INFO] [stderr]    Compiling libghost v0.4.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/drive.rs:142:29
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn parse_combination(comb: &'static str) -> Vec<&str> {
[INFO] [stdout]     |                             ^^^^^^^             ---- the same lifetime is elided here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'static`
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn parse_combination(comb: &'static str) -> Vec<&'static str> {
[INFO] [stdout]     |                                                  +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: duplicate lang item in crate `std` (which `test` depends on): `panic_impl`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `pros_panic` (which `pros` depends on)
[INFO] [stdout]   = note: first definition in `pros_panic` loaded from /opt/rustwide/target/debug/deps/libpros_panic-a865104310098fce.rlib, /opt/rustwide/target/debug/deps/libpros_panic-a865104310098fce.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9fbdd90241d2d923.so, /opt/rustwide/rustup-home/toolchains/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9fbdd90241d2d923.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libghost` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "327d1c45d1e532f54248e979c65ce9ac688e0118e388463b1fd48853a10db410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "327d1c45d1e532f54248e979c65ce9ac688e0118e388463b1fd48853a10db410", kill_on_drop: false }`
[INFO] [stdout] 327d1c45d1e532f54248e979c65ce9ac688e0118e388463b1fd48853a10db410