[INFO] fetching crate subparse 0.7.0...
[INFO] checking subparse-0.7.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] extracting crate subparse 0.7.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate subparse 0.7.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate subparse 0.7.0
[INFO] finished tweaking crates.io crate subparse 0.7.0
[INFO] tweaked toml for crates.io crate subparse 0.7.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate subparse 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ucd-util v0.1.5
[INFO] [stderr]   Downloaded vobsub v0.2.3
[INFO] [stderr]   Downloaded cast v0.2.2
[INFO] [stderr]   Downloaded enum_primitive v0.1.1
[INFO] [stderr]   Downloaded utf8-ranges v1.0.4
[INFO] [stderr]   Downloaded combine v2.5.2
[INFO] [stderr]   Downloaded ascii v0.7.1
[INFO] [stderr]   Downloaded itertools v0.8.0
[INFO] [stderr]   Downloaded image v0.13.0
[INFO] [stderr]   Downloaded chardet v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6d0263b990cefd9f3cda5960cec3e13e68b2c74a77013b7cac10082a69cb8d1
[INFO] running `Command { std: "docker" "start" "-a" "e6d0263b990cefd9f3cda5960cec3e13e68b2c74a77013b7cac10082a69cb8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6d0263b990cefd9f3cda5960cec3e13e68b2c74a77013b7cac10082a69cb8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6d0263b990cefd9f3cda5960cec3e13e68b2c74a77013b7cac10082a69cb8d1", kill_on_drop: false }`
[INFO] [stdout] e6d0263b990cefd9f3cda5960cec3e13e68b2c74a77013b7cac10082a69cb8d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fd65137b5b548284c64605da16c9a21a1402d17fc3b9dba81a899fcfc15f186
[INFO] running `Command { std: "docker" "start" "-a" "5fd65137b5b548284c64605da16c9a21a1402d17fc3b9dba81a899fcfc15f186", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking nom v2.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking chardet v0.2.4
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking vobsub v0.2.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking subparse v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `vobsub` is imported redundantly
[INFO] [stdout]   --> src/formats/vobsub.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use vobsub;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | extern crate vobsub;
[INFO] [stdout]    | -------------------- the item `vobsub` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vobsub` is imported redundantly
[INFO] [stdout]   --> src/formats/vobsub.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     use vobsub;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | extern crate vobsub;
[INFO] [stdout]    | -------------------- the item `vobsub` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SubtitleFileInterface` is imported redundantly
[INFO] [stdout]    --> src/formats/microdvd.rs:342:9
[INFO] [stdout]     |
[INFO] [stdout] 341 |     use super::*;
[INFO] [stdout]     |         -------- the item `SubtitleFileInterface` is already imported here
[INFO] [stdout] 342 |     use SubtitleFileInterface;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vobsub` is imported redundantly
[INFO] [stdout]   --> src/formats/vobsub.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use vobsub;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | extern crate vobsub;
[INFO] [stdout]    | -------------------- the item `vobsub` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vobsub` is imported redundantly
[INFO] [stdout]   --> src/formats/vobsub.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     use vobsub;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | extern crate vobsub;
[INFO] [stdout]    | -------------------- the item `vobsub` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]    --> src/errors.rs:163:1
[INFO] [stdout]     |
[INFO] [stdout] 163 | #[macro_use]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]    --> src/errors.rs:163:1
[INFO] [stdout]     |
[INFO] [stdout] 163 | #[macro_use]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: calls to `std::str::from_utf8_unchecked` with a invalid literal are undefined behavior
[INFO] [stdout]   --> src/formats/common.rs:30:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let bom2_vec = &[0xFE, 0xFF];
[INFO] [stdout]    |                     ------------ the literal was valid UTF-8 up to the 0 bytes
[INFO] [stdout] 29 |     let bom1 = unsafe { ::std::str::from_utf8_unchecked(bom1_vec) };
[INFO] [stdout] 30 |     let bom2 = unsafe { ::std::str::from_utf8_unchecked(bom2_vec) };
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(invalid_from_utf8_unchecked)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `subparse` (lib test) due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5fd65137b5b548284c64605da16c9a21a1402d17fc3b9dba81a899fcfc15f186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fd65137b5b548284c64605da16c9a21a1402d17fc3b9dba81a899fcfc15f186", kill_on_drop: false }`
[INFO] [stdout] 5fd65137b5b548284c64605da16c9a21a1402d17fc3b9dba81a899fcfc15f186