[INFO] fetching crate file_endec 1.0.1...
[INFO] checking file_endec-1.0.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate file_endec 1.0.1 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate file_endec 1.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate file_endec 1.0.1
[INFO] finished tweaking crates.io crate file_endec 1.0.1
[INFO] tweaked toml for crates.io crate file_endec 1.0.1 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate crates.io crate file_endec 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae3258ea2bff11e57f261743d3a876d6af925c6485fcf371863eee8c50d730d3
[INFO] running `Command { std: "docker" "start" "-a" "ae3258ea2bff11e57f261743d3a876d6af925c6485fcf371863eee8c50d730d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae3258ea2bff11e57f261743d3a876d6af925c6485fcf371863eee8c50d730d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae3258ea2bff11e57f261743d3a876d6af925c6485fcf371863eee8c50d730d3", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f3bf823a344bede5ba6edf31e19f0b15aa594c4a08554348e91ae3bdd32df03
[INFO] running `Command { std: "docker" "start" "-a" "4f3bf823a344bede5ba6edf31e19f0b15aa594c4a08554348e91ae3bdd32df03", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]    Compiling libc v0.2.80
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[INFO] [stderr]    Compiling darling_macro v0.10.2
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[INFO] [stderr]     Checking file_shred v1.1.0
[INFO] [stderr]     Checking criterion v0.3.3
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[INFO] [stderr]     Checking file_endec v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/files/scan.rs:71:32
[INFO] [stdout]    |
[INFO] [stdout] 71 | ...c!(format!("Expected test files at '{}' based on environment variable 'ENDEC_TEST_FILE_DIR', but the files were not found.", test_files_dir.to_string_lossy()...
[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]    = 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] 71 |                         panic!("Expected test files at '{}' based on environment variable 'ENDEC_TEST_FILE_DIR', but the files were not found.", test_files_dir.to_string_lossy());
[INFO] [stdout]    |                               --                                                                                                                                                --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/files/scan.rs:74:34
[INFO] [stdout]    |
[INFO] [stdout] 74 | ...c!(format!("Expected test files at '{}' but they were not found; set the environment variable 'ENDEC_TEST_FILE_DIR' to the test file location.", test_files_dir.to_string_lossy()...
[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] 74 |                 Err(_) => panic!("Expected test files at '{}' but they were not found; set the environment variable 'ENDEC_TEST_FILE_DIR' to the test file location.", test_files_dir.to_string_lossy()),
[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 1m 19s
[INFO] running `Command { std: "docker" "inspect" "4f3bf823a344bede5ba6edf31e19f0b15aa594c4a08554348e91ae3bdd32df03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f3bf823a344bede5ba6edf31e19f0b15aa594c4a08554348e91ae3bdd32df03", kill_on_drop: false }`
[INFO] [stdout] 4f3bf823a344bede5ba6edf31e19f0b15aa594c4a08554348e91ae3bdd32df03
