[INFO] fetching crate mimty 0.3.0...
[INFO] testing mimty-0.3.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate mimty 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate mimty 0.3.0
[INFO] finished tweaking crates.io crate mimty 0.3.0
[INFO] tweaked toml for crates.io crate mimty 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mimty 0.3.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fe16d370b4af0f23116850cc668468d229a5f09c5b739373e07788e8100928d
[INFO] running `Command { std: "docker" "start" "-a" "6fe16d370b4af0f23116850cc668468d229a5f09c5b739373e07788e8100928d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fe16d370b4af0f23116850cc668468d229a5f09c5b739373e07788e8100928d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe16d370b4af0f23116850cc668468d229a5f09c5b739373e07788e8100928d", kill_on_drop: false }`
[INFO] [stdout] 6fe16d370b4af0f23116850cc668468d229a5f09c5b739373e07788e8100928d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 167eb22c3e1409afc7119e5877bd859090a7214361bb6c2ea10815f0530f5ea1
[INFO] running `Command { std: "docker" "start" "-a" "167eb22c3e1409afc7119e5877bd859090a7214361bb6c2ea10815f0530f5ea1", kill_on_drop: false }`
[INFO] [stderr]    Compiling mimty v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/ffi.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub extern fn mimty_file(path: *const u8) -> *const u8 {
[INFO] [stdout]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/ffi.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub extern fn mimty_blob(b: *const u8, length: u32) -> *const u8 {
[INFO] [stdout]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:83:47
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 return Some(unsafe{i.mimetype.slice_unchecked(0, l-1)});
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]    --> src/lib.rs:125:48
[INFO] [stdout]     |
[INFO] [stdout] 125 |                     return Some(unsafe{mime[0].slice_unchecked(0, l-1)});
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]    --> src/lib.rs:147:51
[INFO] [stdout]     |
[INFO] [stdout] 147 |                     return Some(unsafe{i.mimetype.slice_unchecked(0, l-1)});
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "167eb22c3e1409afc7119e5877bd859090a7214361bb6c2ea10815f0530f5ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "167eb22c3e1409afc7119e5877bd859090a7214361bb6c2ea10815f0530f5ea1", kill_on_drop: false }`
[INFO] [stdout] 167eb22c3e1409afc7119e5877bd859090a7214361bb6c2ea10815f0530f5ea1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9cd193234197ce0d763fa6bf7a071a13f2b8c00a964acae1edcf561dc4c22cb
[INFO] running `Command { std: "docker" "start" "-a" "b9cd193234197ce0d763fa6bf7a071a13f2b8c00a964acae1edcf561dc4c22cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling mimty v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/ffi.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub extern fn mimty_file(path: *const u8) -> *const u8 {
[INFO] [stdout]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/ffi.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub extern fn mimty_blob(b: *const u8, length: u32) -> *const u8 {
[INFO] [stdout]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:83:47
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 return Some(unsafe{i.mimetype.slice_unchecked(0, l-1)});
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]    --> src/lib.rs:125:48
[INFO] [stdout]     |
[INFO] [stdout] 125 |                     return Some(unsafe{mime[0].slice_unchecked(0, l-1)});
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]    --> src/lib.rs:147:51
[INFO] [stdout]     |
[INFO] [stdout] 147 |                     return Some(unsafe{i.mimetype.slice_unchecked(0, l-1)});
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `test_ext`
[INFO] [stdout]     --> src/ext.rs:1017:18
[INFO] [stdout]      |
[INFO] [stdout] 1017 |     macro_rules! test_ext {
[INFO] [stdout]      |                  ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/ffi.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub extern fn mimty_file(path: *const u8) -> *const u8 {
[INFO] [stdout]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/ffi.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub extern fn mimty_blob(b: *const u8, length: u32) -> *const u8 {
[INFO] [stdout]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:83:47
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 return Some(unsafe{i.mimetype.slice_unchecked(0, l-1)});
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]    --> src/lib.rs:125:48
[INFO] [stdout]     |
[INFO] [stdout] 125 |                     return Some(unsafe{mime[0].slice_unchecked(0, l-1)});
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]    --> src/lib.rs:147:51
[INFO] [stdout]     |
[INFO] [stdout] 147 |                     return Some(unsafe{i.mimetype.slice_unchecked(0, l-1)});
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "b9cd193234197ce0d763fa6bf7a071a13f2b8c00a964acae1edcf561dc4c22cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9cd193234197ce0d763fa6bf7a071a13f2b8c00a964acae1edcf561dc4c22cb", kill_on_drop: false }`
[INFO] [stdout] b9cd193234197ce0d763fa6bf7a071a13f2b8c00a964acae1edcf561dc4c22cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b893281f65c10de043ab983ff31f6e6f3b66f3e216d45048040169414a438be7
[INFO] running `Command { std: "docker" "start" "-a" "b893281f65c10de043ab983ff31f6e6f3b66f3e216d45048040169414a438be7", kill_on_drop: false }`
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout] 
[INFO] [stderr]   --> src/ffi.rs:29:5
[INFO] [stdout] running 2 tests
[INFO] [stderr]    |
[INFO] [stdout] test ext::extensions_test ... ok
[INFO] [stderr] 29 | pub extern fn mimty_file(path: *const u8) -> *const u8 {
[INFO] [stdout] test peliminary_test ... ok
[INFO] [stderr]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]   --> src/ffi.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub extern fn mimty_blob(b: *const u8, length: u32) -> *const u8 {
[INFO] [stderr]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/lib.rs:83:47
[INFO] [stderr]    |
[INFO] [stderr] 83 |                 return Some(unsafe{i.mimetype.slice_unchecked(0, l-1)});
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stderr]    --> src/lib.rs:125:48
[INFO] [stderr]     |
[INFO] [stderr] 125 |                     return Some(unsafe{mime[0].slice_unchecked(0, l-1)});
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stderr]    --> src/lib.rs:147:51
[INFO] [stderr]     |
[INFO] [stderr] 147 |                     return Some(unsafe{i.mimetype.slice_unchecked(0, l-1)});
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mimty` (lib) generated 5 warnings (run `cargo fix --lib -p mimty` to apply 2 suggestions)
[INFO] [stderr] warning: unused macro definition: `test_ext`
[INFO] [stderr]     --> src/ext.rs:1017:18
[INFO] [stderr]      |
[INFO] [stderr] 1017 |     macro_rules! test_ext {
[INFO] [stderr]      |                  ^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mimty` (lib test) generated 6 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mimty-366243616eb64445)
[INFO] [stderr]    Doc-tests mimty
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b893281f65c10de043ab983ff31f6e6f3b66f3e216d45048040169414a438be7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b893281f65c10de043ab983ff31f6e6f3b66f3e216d45048040169414a438be7", kill_on_drop: false }`
[INFO] [stdout] b893281f65c10de043ab983ff31f6e6f3b66f3e216d45048040169414a438be7