[INFO] fetching crate diffr 0.1.4...
[INFO] checking diffr-0.1.4 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate diffr 0.1.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate diffr 0.1.4 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate diffr 0.1.4
[INFO] finished tweaking crates.io crate diffr 0.1.4
[INFO] tweaked toml for crates.io crate diffr 0.1.4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate diffr 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded diffr-lib v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa7179b0f6b056a55e23c520f8af1060a8d1dea9275c2bf99c8c6a7e7102e0a1
[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" "aa7179b0f6b056a55e23c520f8af1060a8d1dea9275c2bf99c8c6a7e7102e0a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa7179b0f6b056a55e23c520f8af1060a8d1dea9275c2bf99c8c6a7e7102e0a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa7179b0f6b056a55e23c520f8af1060a8d1dea9275c2bf99c8c6a7e7102e0a1", kill_on_drop: false }`
[INFO] [stdout] aa7179b0f6b056a55e23c520f8af1060a8d1dea9275c2bf99c8c6a7e7102e0a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93cee7b882a0e26e680ac99abe8f7db373bd8a7ae2ccf65030b3572cbbc9aff3
[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" "93cee7b882a0e26e680ac99abe8f7db373bd8a7ae2ccf65030b3572cbbc9aff3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking diffr-lib v0.1.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking diffr v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/test_cli.rs:91:6
[INFO] [stdout]    |
[INFO] [stdout] 91 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/test_cli.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | /                 format!(
[INFO] [stdout] 26 | |                     "{}: expected empty, got\n\n{}",
[INFO] [stdout] 27 | |                     quote_or_empty(prefix),
[INFO] [stdout] 28 | |                     quote_or_empty(actual)
[INFO] [stdout] 29 | |                 )
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of assert!() 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 assert!() 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] 25 ~                 
[INFO] [stdout] 26 |                     "{}: expected empty, got\n\n{}",
[INFO] [stdout] 27 |                     quote_or_empty(prefix),
[INFO] [stdout] 28 |                     quote_or_empty(actual)
[INFO] [stdout] 29 ~                 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/test_cli.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 | /                 format!(
[INFO] [stdout] 34 | |                     "{}: expected at least\n\n{}\n\ngot\n\n{}",
[INFO] [stdout] 35 | |                     prefix,
[INFO] [stdout] 36 | |                     quote_or_empty(exp),
[INFO] [stdout] 37 | |                     quote_or_empty(actual)
[INFO] [stdout] 38 | |                 )
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of assert!() 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 assert!() 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] 33 ~                 
[INFO] [stdout] 34 |                     "{}: expected at least\n\n{}\n\ngot\n\n{}",
[INFO] [stdout] 35 |                     prefix,
[INFO] [stdout] 36 |                     quote_or_empty(exp),
[INFO] [stdout] 37 |                     quote_or_empty(actual)
[INFO] [stdout] 38 ~                 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/test_cli.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 | /                 format!(
[INFO] [stdout] 43 | |                     "{}: expected\n\n{}\n\ngot\n\n{}",
[INFO] [stdout] 44 | |                     prefix,
[INFO] [stdout] 45 | |                     quote_or_empty(exp),
[INFO] [stdout] 46 | |                     quote_or_empty(actual)
[INFO] [stdout] 47 | |                 )
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of assert!() 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 assert!() 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] 42 ~                 
[INFO] [stdout] 43 |                     "{}: expected\n\n{}\n\ngot\n\n{}",
[INFO] [stdout] 44 |                     prefix,
[INFO] [stdout] 45 |                     quote_or_empty(exp),
[INFO] [stdout] 46 |                     quote_or_empty(actual)
[INFO] [stdout] 47 ~                 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/test_cli.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 | /         format!(
[INFO] [stdout] 95 | |             "unexpected status: expected {} got {}",
[INFO] [stdout] 96 | |             string_of_status(descr.is_success),
[INFO] [stdout] 97 | |             string_of_status(output.status.success()),
[INFO] [stdout] 98 | |         )
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of assert!() 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 assert!() 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] 94 ~         
[INFO] [stdout] 95 |             "unexpected status: expected {} got {}",
[INFO] [stdout] 96 |             string_of_status(descr.is_success),
[INFO] [stdout] 97 |             string_of_status(output.status.success()),
[INFO] [stdout] 98 ~         
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.50s
[INFO] running `Command { std: "docker" "inspect" "93cee7b882a0e26e680ac99abe8f7db373bd8a7ae2ccf65030b3572cbbc9aff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93cee7b882a0e26e680ac99abe8f7db373bd8a7ae2ccf65030b3572cbbc9aff3", kill_on_drop: false }`
[INFO] [stdout] 93cee7b882a0e26e680ac99abe8f7db373bd8a7ae2ccf65030b3572cbbc9aff3
