[INFO] fetching crate filemagic 0.12.3...
[INFO] testing filemagic-0.12.3 against try#9ce6b522e9d830b1461df3e1b001b5831bd32346 for pr-101061-1
[INFO] extracting crate filemagic 0.12.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate filemagic 0.12.3 on toolchain 9ce6b522e9d830b1461df3e1b001b5831bd32346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9ce6b522e9d830b1461df3e1b001b5831bd32346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate filemagic 0.12.3
[INFO] finished tweaking crates.io crate filemagic 0.12.3
[INFO] tweaked toml for crates.io crate filemagic 0.12.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9ce6b522e9d830b1461df3e1b001b5831bd32346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9ce6b522e9d830b1461df3e1b001b5831bd32346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+9ce6b522e9d830b1461df3e1b001b5831bd32346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40fd76ef0c806b2c1065e3e8c5f3796a6455c721f58c4a45b1a17dee2f9525fd
[INFO] running `Command { std: "docker" "start" "-a" "40fd76ef0c806b2c1065e3e8c5f3796a6455c721f58c4a45b1a17dee2f9525fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40fd76ef0c806b2c1065e3e8c5f3796a6455c721f58c4a45b1a17dee2f9525fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40fd76ef0c806b2c1065e3e8c5f3796a6455c721f58c4a45b1a17dee2f9525fd", kill_on_drop: false }`
[INFO] [stdout] 40fd76ef0c806b2c1065e3e8c5f3796a6455c721f58c4a45b1a17dee2f9525fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+9ce6b522e9d830b1461df3e1b001b5831bd32346" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6778d420fa7ce7aecda452c44d7cab09c62811c39dbc6263713b2b933dff7cf7
[INFO] running `Command { std: "docker" "start" "-a" "6778d420fa7ce7aecda452c44d7cab09c62811c39dbc6263713b2b933dff7cf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling filemagic v0.12.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/api.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  |   /// libmagic declarations
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7  |   #[link(name = "magic")]
[INFO] [stdout] 8  | / extern "C" {
[INFO] [stdout] 9  | |     pub fn magic_open(flags: c_int) -> *const Magic;
[INFO] [stdout] 10 | |     pub fn magic_close(cookie: *const Magic);
[INFO] [stdout] 11 | |     pub fn magic_error(cookie: *const Magic) -> *const c_char;
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     ) -> c_int;
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "6778d420fa7ce7aecda452c44d7cab09c62811c39dbc6263713b2b933dff7cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6778d420fa7ce7aecda452c44d7cab09c62811c39dbc6263713b2b933dff7cf7", kill_on_drop: false }`
[INFO] [stdout] 6778d420fa7ce7aecda452c44d7cab09c62811c39dbc6263713b2b933dff7cf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+9ce6b522e9d830b1461df3e1b001b5831bd32346" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e87d3993438eea317e452e2c6963b4909bd95c4d969b2a92d20417fca2a5089
[INFO] running `Command { std: "docker" "start" "-a" "9e87d3993438eea317e452e2c6963b4909bd95c4d969b2a92d20417fca2a5089", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/api.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  |   /// libmagic declarations
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7  |   #[link(name = "magic")]
[INFO] [stdout] 8  | / extern "C" {
[INFO] [stdout] 9  | |     pub fn magic_open(flags: c_int) -> *const Magic;
[INFO] [stdout] 10 | |     pub fn magic_close(cookie: *const Magic);
[INFO] [stdout] 11 | |     pub fn magic_error(cookie: *const Magic) -> *const c_char;
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     ) -> c_int;
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling filemagic v0.12.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/api.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  |   /// libmagic declarations
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7  |   #[link(name = "magic")]
[INFO] [stdout] 8  | / extern "C" {
[INFO] [stdout] 9  | |     pub fn magic_open(flags: c_int) -> *const Magic;
[INFO] [stdout] 10 | |     pub fn magic_close(cookie: *const Magic);
[INFO] [stdout] 11 | |     pub fn magic_error(cookie: *const Magic) -> *const c_char;
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     ) -> c_int;
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 16.78s
[INFO] running `Command { std: "docker" "inspect" "9e87d3993438eea317e452e2c6963b4909bd95c4d969b2a92d20417fca2a5089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e87d3993438eea317e452e2c6963b4909bd95c4d969b2a92d20417fca2a5089", kill_on_drop: false }`
[INFO] [stdout] 9e87d3993438eea317e452e2c6963b4909bd95c4d969b2a92d20417fca2a5089
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+9ce6b522e9d830b1461df3e1b001b5831bd32346" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6796806a381b9320e4fdd53b684920bcad8527cb9848c7dc8e1ae09bf5f3944b
[INFO] running `Command { std: "docker" "start" "-a" "6796806a381b9320e4fdd53b684920bcad8527cb9848c7dc8e1ae09bf5f3944b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stdout] running 11 tests
[INFO] [stderr]   --> src/api.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  |   /// libmagic declarations
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 7  |   #[link(name = "magic")]
[INFO] [stderr] 8  | / extern "C" {
[INFO] [stderr] 9  | |     pub fn magic_open(flags: c_int) -> *const Magic;
[INFO] [stderr] 10 | |     pub fn magic_close(cookie: *const Magic);
[INFO] [stderr] 11 | |     pub fn magic_error(cookie: *const Magic) -> *const c_char;
[INFO] [stderr] ...  |
[INFO] [stderr] 26 | |     ) -> c_int;
[INFO] [stderr] 27 | | }
[INFO] [stderr]    | |_- rustdoc does not generate documentation for extern blocks
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: `filemagic` (lib) generated 1 warning
[INFO] [stderr] warning: `filemagic` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/filemagic-cb4b6ed5d258665f)
[ERROR] error running command: stream did not contain valid UTF-8
[INFO] running `Command { std: "docker" "inspect" "6796806a381b9320e4fdd53b684920bcad8527cb9848c7dc8e1ae09bf5f3944b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6796806a381b9320e4fdd53b684920bcad8527cb9848c7dc8e1ae09bf5f3944b", kill_on_drop: false }`
[INFO] [stdout] 6796806a381b9320e4fdd53b684920bcad8527cb9848c7dc8e1ae09bf5f3944b