[INFO] fetching crate realia 0.2.0...
[INFO] testing realia-0.2.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate realia 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate realia 0.2.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate realia 0.2.0
[INFO] finished tweaking crates.io crate realia 0.2.0
[INFO] tweaked toml for crates.io crate realia 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 297847247df372d229852cf898ef50f0bba921e33fe3299e4e3e4f46438d8682
[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" "297847247df372d229852cf898ef50f0bba921e33fe3299e4e3e4f46438d8682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "297847247df372d229852cf898ef50f0bba921e33fe3299e4e3e4f46438d8682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "297847247df372d229852cf898ef50f0bba921e33fe3299e4e3e4f46438d8682", kill_on_drop: false }`
[INFO] [stdout] 297847247df372d229852cf898ef50f0bba921e33fe3299e4e3e4f46438d8682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 95dff81015787d6a1407a6ca0b54942dcd6c653f97332659a1eae9b630a476cf
[INFO] running `Command { std: "docker" "start" "-a" "95dff81015787d6a1407a6ca0b54942dcd6c653f97332659a1eae9b630a476cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling target-spec v0.4.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cfg-expr v0.4.1
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling cargo_metadata v0.10.0
[INFO] [stderr]    Compiling realia v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.93s
[INFO] running `Command { std: "docker" "inspect" "95dff81015787d6a1407a6ca0b54942dcd6c653f97332659a1eae9b630a476cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95dff81015787d6a1407a6ca0b54942dcd6c653f97332659a1eae9b630a476cf", kill_on_drop: false }`
[INFO] [stdout] 95dff81015787d6a1407a6ca0b54942dcd6c653f97332659a1eae9b630a476cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ee0521754f0f9d8993ea614412772d472620e3060d8fe0fb4e0a6f32e1d154cf
[INFO] running `Command { std: "docker" "start" "-a" "ee0521754f0f9d8993ea614412772d472620e3060d8fe0fb4e0a6f32e1d154cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling realia v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `positive` in this scope
[INFO] [stdout]  --> tests/integration.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     assert!(positive());
[INFO] [stdout]   |             ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `positive` in this scope
[INFO] [stdout]   --> tests/integration.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     assert!(positive());
[INFO] [stdout]    |             ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `positive` in this scope
[INFO] [stdout]    --> tests/integration.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |     assert!(positive());
[INFO] [stdout]     |             ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `positive` in this scope
[INFO] [stdout]    --> tests/integration.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |     assert!(positive());
[INFO] [stdout]     |             ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `attr::Empty` doesn't implement `Debug`
[INFO] [stdout]    --> tests/integration.rs:161:21
[INFO] [stdout]     |
[INFO] [stdout] 161 |     format!("{:?}", Empty {});
[INFO] [stdout]     |                     ^^^^^^^^ `attr::Empty` cannot be formatted using `{:?}`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Debug` is not implemented for `attr::Empty`
[INFO] [stdout]     = note: add `#[derive(Debug)]` to `attr::Empty` or manually `impl Debug for attr::Empty`
[INFO] [stdout]     = note: this error originates in the macro `$crate::__export::format_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `realia` due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "ee0521754f0f9d8993ea614412772d472620e3060d8fe0fb4e0a6f32e1d154cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee0521754f0f9d8993ea614412772d472620e3060d8fe0fb4e0a6f32e1d154cf", kill_on_drop: false }`
[INFO] [stdout] ee0521754f0f9d8993ea614412772d472620e3060d8fe0fb4e0a6f32e1d154cf