[INFO] fetching crate filemagic 0.12.3...
[INFO] testing filemagic-0.12.3 against try#ece70b22820429ebf0c6d388c32356a14c58fc2f for pr-107251
[INFO] extracting crate filemagic 0.12.3 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate filemagic 0.12.3 on toolchain ece70b22820429ebf0c6d388c32356a14c58fc2f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "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-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 811f9c64e20c98a3bafec2e4a58e6161a639d59d81307fd733b9cac7c52f2d31
[INFO] running `Command { std: "docker" "start" "-a" "811f9c64e20c98a3bafec2e4a58e6161a639d59d81307fd733b9cac7c52f2d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "811f9c64e20c98a3bafec2e4a58e6161a639d59d81307fd733b9cac7c52f2d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "811f9c64e20c98a3bafec2e4a58e6161a639d59d81307fd733b9cac7c52f2d31", kill_on_drop: false }`
[INFO] [stdout] 811f9c64e20c98a3bafec2e4a58e6161a639d59d81307fd733b9cac7c52f2d31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 361d24fcb0109075e80777d66a2bb4f07c639c47d5c1ba3026f61ddb4bad5212
[INFO] running `Command { std: "docker" "start" "-a" "361d24fcb0109075e80777d66a2bb4f07c639c47d5c1ba3026f61ddb4bad5212", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[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]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "361d24fcb0109075e80777d66a2bb4f07c639c47d5c1ba3026f61ddb4bad5212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "361d24fcb0109075e80777d66a2bb4f07c639c47d5c1ba3026f61ddb4bad5212", kill_on_drop: false }`
[INFO] [stdout] 361d24fcb0109075e80777d66a2bb4f07c639c47d5c1ba3026f61ddb4bad5212
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 090f4ca1aff2582f50693416ac33879782f96e690d466bab7c3fdc51a144c8aa
[INFO] running `Command { std: "docker" "start" "-a" "090f4ca1aff2582f50693416ac33879782f96e690d466bab7c3fdc51a144c8aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[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]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling regex v1.7.1
[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]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 16.77s
[INFO] running `Command { std: "docker" "inspect" "090f4ca1aff2582f50693416ac33879782f96e690d466bab7c3fdc51a144c8aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "090f4ca1aff2582f50693416ac33879782f96e690d466bab7c3fdc51a144c8aa", kill_on_drop: false }`
[INFO] [stdout] 090f4ca1aff2582f50693416ac33879782f96e690d466bab7c3fdc51a144c8aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 60c8dba5d266da2c1781c93440260454f3a4260f61a627108b80a1776d372d69
[INFO] running `Command { std: "docker" "start" "-a" "60c8dba5d266da2c1781c93440260454f3a4260f61a627108b80a1776d372d69", kill_on_drop: false }`
[INFO] [stderr] warning: unused doc comment
[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]    = help: use `//` for a plain comment
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[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 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/filemagic-6cb38e5cf903d193)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::macro_load_one_db ... ok
[INFO] [stdout] test tests::load_one_db ... ok
[INFO] [stdout] test tests::macro_load_one_db_with_flags ... ok
[INFO] [stdout] test tests::get_buffer_mime ... ok
[INFO] [stdout] test tests::get_file_mime ... ok
[INFO] [stdout] test tests::version ... ok
[INFO] [stderr] , 4: Warning: using regular magic file `data/db-python'
[INFO] [stdout] test tests::file_error ... ok
[INFO] [stdout] test tests::load_default_db ... ok
[INFO] [stdout] test tests::macro_get_buffer_mime ... ok
[INFO] [stdout] test tests::macro_load_default_db ... ok
[INFO] [stdout] test tests::macro_get_file_mime ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests filemagic
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/macros.rs - macros::magic (line 7) ... ignored
[INFO] [stdout] test src/lib.rs - (line 14) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "60c8dba5d266da2c1781c93440260454f3a4260f61a627108b80a1776d372d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c8dba5d266da2c1781c93440260454f3a4260f61a627108b80a1776d372d69", kill_on_drop: false }`
[INFO] [stdout] 60c8dba5d266da2c1781c93440260454f3a4260f61a627108b80a1776d372d69