[INFO] fetching crate v_latexescape 0.6.0...
[INFO] checking v_latexescape-0.6.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate v_latexescape 0.6.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate v_latexescape 0.6.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate v_latexescape 0.6.0
[INFO] finished tweaking crates.io crate v_latexescape 0.6.0
[INFO] tweaked toml for crates.io crate v_latexescape 0.6.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded v_escape_derive v0.7.1
[INFO] [stderr]   Downloaded v_escape v0.9.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c47f4273d1ca280fd6789b8b63d610c4d48002c53ab37125762cfe2eb33712d3
[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" "c47f4273d1ca280fd6789b8b63d610c4d48002c53ab37125762cfe2eb33712d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c47f4273d1ca280fd6789b8b63d610c4d48002c53ab37125762cfe2eb33712d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47f4273d1ca280fd6789b8b63d610c4d48002c53ab37125762cfe2eb33712d3", kill_on_drop: false }`
[INFO] [stdout] c47f4273d1ca280fd6789b8b63d610c4d48002c53ab37125762cfe2eb33712d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b34b322646899abd580d96c4d21eccd0f9e568b8fe63d8c027f38a72ec7f0e38
[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" "b34b322646899abd580d96c4d21eccd0f9e568b8fe63d8c027f38a72ec7f0e38", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling v_latexescape v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling v_escape_derive v0.7.1
[INFO] [stderr]     Checking v_escape v0.9.4
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         new_escape!(
[INFO] [stdout] 29 | |             LateXEscape,
[INFO] [stdout] 30 | |             "35->\\# || 36->\\$ || 37->\\% || 38->\\& || 92->\\textbackslash{} || \
[INFO] [stdout] 31 | |             94->\\textasciicircum{} || 95->\\_ || 123->\\{ || 125->\\} || 126->\\textasciitilde{}",
[INFO] [stdout] 32 | |             ranges = true, simd = true, avx = true
[INFO] [stdout] 33 | |         );
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: invalid attribute 'Some(Ident { ident: "ranges", span: #0 bytes(0..0) })'
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `chars`
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         new_escape!(
[INFO] [stdout] 29 | |             LateXEscape,
[INFO] [stdout] 30 | |             "35->\\# || 36->\\$ || 37->\\% || 38->\\& || 92->\\textbackslash{} || \
[INFO] [stdout] 31 | |             94->\\textasciicircum{} || 95->\\_ || 123->\\{ || 125->\\} || 126->\\textasciitilde{}",
[INFO] [stdout] 32 | |             ranges = true, simd = true, avx = true
[INFO] [stdout] 33 | |         );
[INFO] [stdout]    | |__________^ use of undeclared type or module `chars`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `chars`
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         new_escape!(
[INFO] [stdout] 29 | |             LateXEscape,
[INFO] [stdout] 30 | |             "35->\\# || 36->\\$ || 37->\\% || 38->\\& || 92->\\textbackslash{} || \
[INFO] [stdout] 31 | |             94->\\textasciicircum{} || 95->\\_ || 123->\\{ || 125->\\} || 126->\\textasciitilde{}",
[INFO] [stdout] 32 | |             ranges = true, simd = true, avx = true
[INFO] [stdout] 33 | |         );
[INFO] [stdout]    | |__________^ use of undeclared type or module `chars`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `_v_escape` in this scope
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         new_escape!(
[INFO] [stdout] 29 | |             LateXEscape,
[INFO] [stdout] 30 | |             "35->\\# || 36->\\$ || 37->\\% || 38->\\& || 92->\\textbackslash{} || \
[INFO] [stdout] 31 | |             94->\\textasciicircum{} || 95->\\_ || 123->\\{ || 125->\\} || 126->\\textasciitilde{}",
[INFO] [stdout] 32 | |             ranges = true, simd = true, avx = true
[INFO] [stdout] 33 | |         );
[INFO] [stdout]    | |__________^ similarly named function `v_escape` defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: a function with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 215|                     v_escape(self.bytes, buf)
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::fallback::_v_escape;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `_v_escape` in this scope
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         new_escape!(
[INFO] [stdout] 29 | |             LateXEscape,
[INFO] [stdout] 30 | |             "35->\\# || 36->\\$ || 37->\\% || 38->\\& || 92->\\textbackslash{} || \
[INFO] [stdout] 31 | |             94->\\textasciicircum{} || 95->\\_ || 123->\\{ || 125->\\} || 126->\\textasciitilde{}",
[INFO] [stdout] 32 | |             ranges = true, simd = true, avx = true
[INFO] [stdout] 33 | |         );
[INFO] [stdout]    | |__________^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::fallback::_v_escape;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         new_escape!(
[INFO] [stdout] 29 | |             LateXEscape,
[INFO] [stdout] 30 | |             "35->\\# || 36->\\$ || 37->\\% || 38->\\& || 92->\\textbackslash{} || \
[INFO] [stdout] 31 | |             94->\\textasciicircum{} || 95->\\_ || 123->\\{ || 125->\\} || 126->\\textasciitilde{}",
[INFO] [stdout] 32 | |             ranges = true, simd = true, avx = true
[INFO] [stdout] 33 | |         );
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: invalid attribute 'Some(Ident { ident: "ranges", span: #0 bytes(0..0) })'
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `_escape` in this scope
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         new_escape!(
[INFO] [stdout] 29 | |             LateXEscape,
[INFO] [stdout] 30 | |             "35->\\# || 36->\\$ || 37->\\% || 38->\\& || 92->\\textbackslash{} || \
[INFO] [stdout] 31 | |             94->\\textasciicircum{} || 95->\\_ || 123->\\{ || 125->\\} || 126->\\textasciitilde{}",
[INFO] [stdout] 32 | |             ranges = true, simd = true, avx = true
[INFO] [stdout] 33 | |         );
[INFO] [stdout]    | |__________^ similarly named function `escape` defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: a function with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 246|                     escape(self.bytes, fmt)
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::fallback::_escape;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `chars`
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         new_escape!(
[INFO] [stdout] 29 | |             LateXEscape,
[INFO] [stdout] 30 | |             "35->\\# || 36->\\$ || 37->\\% || 38->\\& || 92->\\textbackslash{} || \
[INFO] [stdout] 31 | |             94->\\textasciicircum{} || 95->\\_ || 123->\\{ || 125->\\} || 126->\\textasciitilde{}",
[INFO] [stdout] 32 | |             ranges = true, simd = true, avx = true
[INFO] [stdout] 33 | |         );
[INFO] [stdout]    | |__________^ use of undeclared type or module `chars`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `chars`
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         new_escape!(
[INFO] [stdout] 29 | |             LateXEscape,
[INFO] [stdout] 30 | |             "35->\\# || 36->\\$ || 37->\\% || 38->\\& || 92->\\textbackslash{} || \
[INFO] [stdout] 31 | |             94->\\textasciicircum{} || 95->\\_ || 123->\\{ || 125->\\} || 126->\\textasciitilde{}",
[INFO] [stdout] 32 | |             ranges = true, simd = true, avx = true
[INFO] [stdout] 33 | |         );
[INFO] [stdout]    | |__________^ use of undeclared type or module `chars`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `_v_escape` in this scope
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         new_escape!(
[INFO] [stdout] 29 | |             LateXEscape,
[INFO] [stdout] 30 | |             "35->\\# || 36->\\$ || 37->\\% || 38->\\& || 92->\\textbackslash{} || \
[INFO] [stdout] 31 | |             94->\\textasciicircum{} || 95->\\_ || 123->\\{ || 125->\\} || 126->\\textasciitilde{}",
[INFO] [stdout] 32 | |             ranges = true, simd = true, avx = true
[INFO] [stdout] 33 | |         );
[INFO] [stdout]    | |__________^ similarly named function `v_escape` defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: a function with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 215|                     v_escape(self.bytes, buf)
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::fallback::_v_escape;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `_v_escape` in this scope
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         new_escape!(
[INFO] [stdout] 29 | |             LateXEscape,
[INFO] [stdout] 30 | |             "35->\\# || 36->\\$ || 37->\\% || 38->\\& || 92->\\textbackslash{} || \
[INFO] [stdout] 31 | |             94->\\textasciicircum{} || 95->\\_ || 123->\\{ || 125->\\} || 126->\\textasciitilde{}",
[INFO] [stdout] 32 | |             ranges = true, simd = true, avx = true
[INFO] [stdout] 33 | |         );
[INFO] [stdout]    | |__________^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::fallback::_v_escape;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `_escape` in this scope
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         new_escape!(
[INFO] [stdout] 29 | |             LateXEscape,
[INFO] [stdout] 30 | |             "35->\\# || 36->\\$ || 37->\\% || 38->\\& || 92->\\textbackslash{} || \
[INFO] [stdout] 31 | |             94->\\textasciicircum{} || 95->\\_ || 123->\\{ || 125->\\} || 126->\\textasciitilde{}",
[INFO] [stdout] 32 | |             ranges = true, simd = true, avx = true
[INFO] [stdout] 33 | |         );
[INFO] [stdout]    | |__________^ similarly named function `escape` defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: a function with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 246|                     escape(self.bytes, fmt)
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::fallback::_escape;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `v_latexescape`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b34b322646899abd580d96c4d21eccd0f9e568b8fe63d8c027f38a72ec7f0e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b34b322646899abd580d96c4d21eccd0f9e568b8fe63d8c027f38a72ec7f0e38", kill_on_drop: false }`
[INFO] [stdout] b34b322646899abd580d96c4d21eccd0f9e568b8fe63d8c027f38a72ec7f0e38