[INFO] fetching crate tree_magic_mini 3.1.6...
[INFO] checking tree_magic_mini-3.1.6 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate tree_magic_mini 3.1.6 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate tree_magic_mini 3.1.6
[INFO] finished tweaking crates.io crate tree_magic_mini 3.1.6
[INFO] tweaked toml for crates.io crate tree_magic_mini 3.1.6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tree_magic_mini 3.1.6 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding nom v7.1.3 (available: v8.0.0)
[INFO] [stderr]       Adding petgraph v0.6.5 (available: v0.8.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f1b4e78afcd6722a7024ddee6f6f5cfed2cafe762daf94764d96c3dfbab5c6c
[INFO] running `Command { std: "docker" "start" "-a" "6f1b4e78afcd6722a7024ddee6f6f5cfed2cafe762daf94764d96c3dfbab5c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f1b4e78afcd6722a7024ddee6f6f5cfed2cafe762daf94764d96c3dfbab5c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f1b4e78afcd6722a7024ddee6f6f5cfed2cafe762daf94764d96c3dfbab5c6c", kill_on_drop: false }`
[INFO] [stdout] 6f1b4e78afcd6722a7024ddee6f6f5cfed2cafe762daf94764d96c3dfbab5c6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d443e09774e6521fe6c3b38d8304c2b150bc4a7efc5c4dec8ad3185140ea4c9e
[INFO] running `Command { std: "docker" "start" "-a" "d443e09774e6521fe6c3b38d8304c2b150bc4a7efc5c4dec8ad3185140ea4c9e", kill_on_drop: false }`
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking tree_magic_mini v3.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read `benches/image/gif`: No such file or directory (os error 2)
[INFO] [stdout]  --> benches/from_u8.rs:9:35
[INFO] [stdout]   |
[INFO] [stdout] 9 |     b.iter(|| tree_magic::from_u8(include_bytes!("image/gif")));
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `benches/image/png`: No such file or directory (os error 2)
[INFO] [stdout]   --> benches/from_u8.rs:12:35
[INFO] [stdout]    |
[INFO] [stdout] 12 |     b.iter(|| tree_magic::from_u8(include_bytes!("image/png")));
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `benches/application/zip`: No such file or directory (os error 2)
[INFO] [stdout]   --> benches/from_u8.rs:17:35
[INFO] [stdout]    |
[INFO] [stdout] 17 |     b.iter(|| tree_magic::from_u8(include_bytes!("application/zip")));
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `benches/text/plain`: No such file or directory (os error 2)
[INFO] [stdout]   --> benches/from_u8.rs:22:35
[INFO] [stdout]    |
[INFO] [stdout] 22 |     b.iter(|| tree_magic::from_u8(include_bytes!("text/plain")));
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `benches/image/gif`: No such file or directory (os error 2)
[INFO] [stdout]  --> benches/match_u8.rs:9:49
[INFO] [stdout]   |
[INFO] [stdout] 9 |     b.iter(|| tree_magic::match_u8("image/gif", include_bytes!("image/gif")));
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `benches/image/png`: No such file or directory (os error 2)
[INFO] [stdout]   --> benches/match_u8.rs:12:49
[INFO] [stdout]    |
[INFO] [stdout] 12 |     b.iter(|| tree_magic::match_u8("image/png", include_bytes!("image/png")));
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `benches/application/zip`: No such file or directory (os error 2)
[INFO] [stdout]   --> benches/match_u8.rs:17:55
[INFO] [stdout]    |
[INFO] [stdout] 17 |     b.iter(|| tree_magic::match_u8("application/zip", include_bytes!("application/zip")));
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `benches/text/plain`: No such file or directory (os error 2)
[INFO] [stdout]   --> benches/match_u8.rs:22:50
[INFO] [stdout]    |
[INFO] [stdout] 22 |     b.iter(|| tree_magic::match_u8("text/plain", include_bytes!("text/plain")));
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tree_magic_mini` (bench "from_u8") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tree_magic_mini` (bench "match_u8") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "d443e09774e6521fe6c3b38d8304c2b150bc4a7efc5c4dec8ad3185140ea4c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d443e09774e6521fe6c3b38d8304c2b150bc4a7efc5c4dec8ad3185140ea4c9e", kill_on_drop: false }`
[INFO] [stdout] d443e09774e6521fe6c3b38d8304c2b150bc4a7efc5c4dec8ad3185140ea4c9e