[INFO] fetching crate contrafact 0.1.0-dev.1...
[INFO] testing contrafact-0.1.0-dev.1 against beta-2021-08-22 for beta-1.55-2
[INFO] extracting crate contrafact 0.1.0-dev.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate contrafact 0.1.0-dev.1 on toolchain beta-2021-08-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate contrafact 0.1.0-dev.1
[INFO] finished tweaking crates.io crate contrafact 0.1.0-dev.1
[INFO] tweaked toml for crates.io crate contrafact 0.1.0-dev.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded holochain_serialized_bytes_derive v0.0.51
[INFO] [stderr]   Downloaded tracing-opentelemetry v0.8.0
[INFO] [stderr]   Downloaded serde-transcode v1.1.1
[INFO] [stderr]   Downloaded derive_arbitrary v1.0.2
[INFO] [stderr]   Downloaded holochain_serialized_bytes v0.0.51
[INFO] [stderr]   Downloaded opentelemetry v0.8.0
[INFO] [stderr]   Downloaded observability v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-22" "metadata" "--no-deps" "--format-version=1", 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] dca20ee951b1808286b73ce89b77fa3fd2cf8cfe8b10f0e34dd70bb561fd95cd
[INFO] running `Command { std: "docker" "start" "-a" "dca20ee951b1808286b73ce89b77fa3fd2cf8cfe8b10f0e34dd70bb561fd95cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dca20ee951b1808286b73ce89b77fa3fd2cf8cfe8b10f0e34dd70bb561fd95cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca20ee951b1808286b73ce89b77fa3fd2cf8cfe8b10f0e34dd70bb561fd95cd", kill_on_drop: false }`
[INFO] [stdout] dca20ee951b1808286b73ce89b77fa3fd2cf8cfe8b10f0e34dd70bb561fd95cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac6f536df14a959d45baac4cbdc20290db9a2e402e343058fd61b2491f84a469
[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" "ac6f536df14a959d45baac4cbdc20290db9a2e402e343058fd61b2491f84a469", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling derive_arbitrary v1.0.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling arbitrary v1.0.2
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling contrafact v0.1.0-dev.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/check.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |             panic!(msg);
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 35 |             panic!("{}", msg);
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 35 |             std::panic::panic_any(msg);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/fact.rs:49:16
[INFO] [stdout]    |
[INFO] [stdout] 49 |           panic!(format!(
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 50 | |             "Could not satisfy a constraint even after {} iterations. Last check failure: {:?}",
[INFO] [stdout] 51 | |             SATISFY_ATTEMPTS, last_failure
[INFO] [stdout] 52 | |         ));
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 49 |         panic!(
[INFO] [stdout] 50 |             "Could not satisfy a constraint even after {} iterations. Last check failure: {:?}",
[INFO] [stdout] 51 |             SATISFY_ATTEMPTS, last_failure
[INFO] [stdout] 52 |         );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.04s
[INFO] running `Command { std: "docker" "inspect" "ac6f536df14a959d45baac4cbdc20290db9a2e402e343058fd61b2491f84a469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac6f536df14a959d45baac4cbdc20290db9a2e402e343058fd61b2491f84a469", kill_on_drop: false }`
[INFO] [stdout] ac6f536df14a959d45baac4cbdc20290db9a2e402e343058fd61b2491f84a469
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-22" "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] f690351f14357f2fbc7e680325ba96b6841ef2dc3244c98b36caa1c21e3745de
[INFO] running `Command { std: "docker" "start" "-a" "f690351f14357f2fbc7e680325ba96b6841ef2dc3244c98b36caa1c21e3745de", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/tmp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   File exists (os error 17)
[INFO] running `Command { std: "docker" "inspect" "f690351f14357f2fbc7e680325ba96b6841ef2dc3244c98b36caa1c21e3745de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f690351f14357f2fbc7e680325ba96b6841ef2dc3244c98b36caa1c21e3745de", kill_on_drop: false }`
[INFO] [stdout] f690351f14357f2fbc7e680325ba96b6841ef2dc3244c98b36caa1c21e3745de
