[INFO] fetching crate libghost 0.4.6...
[INFO] testing libghost-0.4.6 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate libghost 0.4.6 into /workspace/builds/worker-0-tc1/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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libghost 0.4.6 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pros-panic v0.1.0
[INFO] [stderr]   Downloaded snafu-derive v0.8.9
[INFO] [stderr]   Downloaded pros-async v0.1.0
[INFO] [stderr]   Downloaded snafu v0.8.9
[INFO] [stderr]   Downloaded no_std_io v0.6.0
[INFO] [stderr]   Downloaded dlmalloc v0.2.11
[INFO] [stderr]   Downloaded pros-core v0.1.0
[INFO] [stderr]   Downloaded pros v0.8.0
[INFO] [stderr]   Downloaded pros-devices v0.1.0
[INFO] [stderr]   Downloaded pros-math v0.1.0
[INFO] [stderr]   Downloaded pros-sys v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c56f1af4086cd1d35896cd8196b468db0ce6176de9634b40e6ba1d2fddc5ea5
[INFO] running `Command { std: "docker" "start" "-a" "1c56f1af4086cd1d35896cd8196b468db0ce6176de9634b40e6ba1d2fddc5ea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c56f1af4086cd1d35896cd8196b468db0ce6176de9634b40e6ba1d2fddc5ea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c56f1af4086cd1d35896cd8196b468db0ce6176de9634b40e6ba1d2fddc5ea5", kill_on_drop: false }`
[INFO] [stdout] 1c56f1af4086cd1d35896cd8196b468db0ce6176de9634b40e6ba1d2fddc5ea5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] befdd0f7b0ee4e7ca1ffa9d2e2dfa5adeed27bf377259ce70b522837444d1818
[INFO] running `Command { std: "docker" "start" "-a" "befdd0f7b0ee4e7ca1ffa9d2e2dfa5adeed27bf377259ce70b522837444d1818", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling pros-sys v0.7.0
[INFO] [stderr]    Compiling snafu-derive v0.8.9
[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 snafu v0.8.9
[INFO] [stderr]    Compiling pros-core v0.1.0
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling pros-devices v0.1.0
[INFO] [stderr]    Compiling pros-async v0.1.0
[INFO] [stderr]    Compiling pros-math 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:142:49
[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 4.83s
[INFO] running `Command { std: "docker" "inspect" "befdd0f7b0ee4e7ca1ffa9d2e2dfa5adeed27bf377259ce70b522837444d1818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "befdd0f7b0ee4e7ca1ffa9d2e2dfa5adeed27bf377259ce70b522837444d1818", kill_on_drop: false }`
[INFO] [stdout] befdd0f7b0ee4e7ca1ffa9d2e2dfa5adeed27bf377259ce70b522837444d1818
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eeb563bd0b616fd475636b075b2cf84c52b6fdc7eac7df1f3ff94e6970f633ad
[INFO] running `Command { std: "docker" "start" "-a" "eeb563bd0b616fd475636b075b2cf84c52b6fdc7eac7df1f3ff94e6970f633ad", kill_on_drop: false }`
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/drive.rs:142:49
[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]    Compiling libghost v0.4.6 (/opt/rustwide/workdir)
[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-91dede73dcfb0e83.rlib, /opt/rustwide/target/debug/deps/libpros_panic-91dede73dcfb0e83.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d73d50f7d7b085f5.so, /opt/rustwide/rustup-home/toolchains/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d73d50f7d7b085f5.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" "eeb563bd0b616fd475636b075b2cf84c52b6fdc7eac7df1f3ff94e6970f633ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb563bd0b616fd475636b075b2cf84c52b6fdc7eac7df1f3ff94e6970f633ad", kill_on_drop: false }`
[INFO] [stdout] eeb563bd0b616fd475636b075b2cf84c52b6fdc7eac7df1f3ff94e6970f633ad