[INFO] fetching crate dir-signature 0.2.9...
[INFO] checking dir-signature-0.2.9 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate dir-signature 0.2.9 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dir-signature 0.2.9 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dir-signature 0.2.9
[INFO] finished tweaking crates.io crate dir-signature 0.2.9
[INFO] tweaked toml for crates.io crate dir-signature 0.2.9 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generic-array v0.9.0
[INFO] [stderr]   Downloaded sha2 v0.7.1
[INFO] [stderr]   Downloaded byte-tools v0.2.0
[INFO] [stderr]   Downloaded digest v0.7.6
[INFO] [stderr]   Downloaded itertools v0.7.11
[INFO] [stderr]   Downloaded openat v0.1.19
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] [stderr]   Downloaded rustc-hex v1.0.0
[INFO] [stderr]   Downloaded crypto-mac v0.5.2
[INFO] [stderr]   Downloaded block-buffer v0.3.3
[INFO] [stderr]   Downloaded argparse v0.2.2
[INFO] [stderr]   Downloaded pretty_assertions v0.5.1
[INFO] [stderr]   Downloaded digest-writer v0.3.1
[INFO] [stderr]   Downloaded blake2 v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6eecb540517c9f2ecdd24a508fe323c6100d697207314d0ae13b4f74e1b14df
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a6eecb540517c9f2ecdd24a508fe323c6100d697207314d0ae13b4f74e1b14df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6eecb540517c9f2ecdd24a508fe323c6100d697207314d0ae13b4f74e1b14df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6eecb540517c9f2ecdd24a508fe323c6100d697207314d0ae13b4f74e1b14df", kill_on_drop: false }`
[INFO] [stdout] a6eecb540517c9f2ecdd24a508fe323c6100d697207314d0ae13b4f74e1b14df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a0bfd7b6859bb985a6e94f4afaf923ce61d8ce5e429454241be5bf853f4cc629
[INFO] running `Command { std: "docker" "start" "-a" "a0bfd7b6859bb985a6e94f4afaf923ce61d8ce5e429454241be5bf853f4cc629", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking rustc-hex v1.0.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking pretty_assertions v0.5.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking openat v0.1.19
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking blake2 v0.7.1
[INFO] [stderr]     Checking digest-writer v0.3.1
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking dir-signature v0.2.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/error.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | /// This is just a common error returned from the library
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/error.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | ///
[INFO] [stdout]   | ^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/v1/parser.rs:887:13
[INFO] [stdout]     |
[INFO] [stdout] 887 |         b'0'...b'9' => v & 0x0f,
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/v1/parser.rs:888:13
[INFO] [stdout]     |
[INFO] [stdout] 888 |         b'a'...b'f' | b'A'...b'F' => (v & 0x0f) + 9,
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/v1/parser.rs:888:27
[INFO] [stdout]     |
[INFO] [stdout] 888 |         b'a'...b'f' | b'A'...b'F' => (v & 0x0f) + 9,
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/v1/parser.rs:900:13
[INFO] [stdout]     |
[INFO] [stdout] 900 |         b'0'...b'9' => v & 0x0f,
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/v1/emitter.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |     out: &'a mut Write,
[INFO] [stdout]    |                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/v1/emitter.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |     hash: Box<HashTrait>,
[INFO] [stdout]    |               ^^^^^^^^^ help: use `dyn`: `dyn HashTrait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/v1/emitter.rs:29:40
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn write_hash(&mut self, out: &mut Write) -> io::Result<()>;
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/v1/emitter.rs:36:72
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn new<'x>(hash_type: HashType, block_size: u64, dest: &'x mut Write)
[INFO] [stdout]    |                                                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/v1/emitter.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 as Box<HashTrait>
[INFO] [stdout]    |                        ^^^^^^^^^ help: use `dyn`: `dyn HashTrait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/v1/emitter.rs:47:24
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 as Box<HashTrait>
[INFO] [stdout]    |                        ^^^^^^^^^ help: use `dyn`: `dyn HashTrait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/v1/emitter.rs:131:40
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn write_hash(&mut self, out: &mut Write) -> io::Result<()> {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/v1/emitter.rs:140:40
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn write_hash(&mut self, out: &mut Write) -> io::Result<()> {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]  --> src/read.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         b'0'...b'9' => Some(v & 0x0f),
[INFO] [stdout]   |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/read.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         b'a'...b'f' | b'A'...b'F' => Some((v & 0x0f) + 9),
[INFO] [stdout]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/read.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 |         b'a'...b'f' | b'A'...b'F' => Some((v & 0x0f) + 9),
[INFO] [stdout]    |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/error.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | /// This is just a common error returned from the library
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/error.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | ///
[INFO] [stdout]   | ^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/v1/parser.rs:887:13
[INFO] [stdout]     |
[INFO] [stdout] 887 |         b'0'...b'9' => v & 0x0f,
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/v1/parser.rs:888:13
[INFO] [stdout]     |
[INFO] [stdout] 888 |         b'a'...b'f' | b'A'...b'F' => (v & 0x0f) + 9,
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/v1/parser.rs:888:27
[INFO] [stdout]     |
[INFO] [stdout] 888 |         b'a'...b'f' | b'A'...b'F' => (v & 0x0f) + 9,
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/v1/parser.rs:900:13
[INFO] [stdout]     |
[INFO] [stdout] 900 |         b'0'...b'9' => v & 0x0f,
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/v1/emitter.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |     out: &'a mut Write,
[INFO] [stdout]    |                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/v1/emitter.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |     hash: Box<HashTrait>,
[INFO] [stdout]    |               ^^^^^^^^^ help: use `dyn`: `dyn HashTrait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/v1/emitter.rs:29:40
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn write_hash(&mut self, out: &mut Write) -> io::Result<()>;
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/v1/emitter.rs:36:72
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn new<'x>(hash_type: HashType, block_size: u64, dest: &'x mut Write)
[INFO] [stdout]    |                                                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/v1/emitter.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 as Box<HashTrait>
[INFO] [stdout]    |                        ^^^^^^^^^ help: use `dyn`: `dyn HashTrait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/v1/emitter.rs:47:24
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 as Box<HashTrait>
[INFO] [stdout]    |                        ^^^^^^^^^ help: use `dyn`: `dyn HashTrait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/v1/emitter.rs:131:40
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn write_hash(&mut self, out: &mut Write) -> io::Result<()> {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/v1/emitter.rs:140:40
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn write_hash(&mut self, out: &mut Write) -> io::Result<()> {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]  --> src/read.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         b'0'...b'9' => Some(v & 0x0f),
[INFO] [stdout]   |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/read.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         b'a'...b'f' | b'A'...b'F' => Some((v & 0x0f) + 9),
[INFO] [stdout]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/read.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 |         b'a'...b'f' | b'A'...b'F' => Some((v & 0x0f) + 9),
[INFO] [stdout]    |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.85s
[INFO] running `Command { std: "docker" "inspect" "a0bfd7b6859bb985a6e94f4afaf923ce61d8ce5e429454241be5bf853f4cc629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0bfd7b6859bb985a6e94f4afaf923ce61d8ce5e429454241be5bf853f4cc629", kill_on_drop: false }`
[INFO] [stdout] a0bfd7b6859bb985a6e94f4afaf923ce61d8ce5e429454241be5bf853f4cc629
