[INFO] cloning repository https://github.com/Rhelvetican/strmath
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rhelvetican/strmath" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRhelvetican%2Fstrmath", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRhelvetican%2Fstrmath'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cce840c83f2805edc1fdfa48b6e0fa27987b8dcd
[INFO] fixing Rhelvetican/strmath against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRhelvetican%2Fstrmath" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Rhelvetican/strmath
[INFO] finished tweaking git repo https://github.com/Rhelvetican/strmath
[INFO] tweaked toml for git repo https://github.com/Rhelvetican/strmath written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Rhelvetican/strmath on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Rhelvetican/strmath 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "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/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] db8368f30a84978208846106d0fa29b427d64c1ab9760362f127fe918e7e3e87
[INFO] running `Command { std: "docker" "start" "db8368f30a84978208846106d0fa29b427d64c1ab9760362f127fe918e7e3e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "db8368f30a84978208846106d0fa29b427d64c1ab9760362f127fe918e7e3e87" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db8368f30a84978208846106d0fa29b427d64c1ab9760362f127fe918e7e3e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "db8368f30a84978208846106d0fa29b427d64c1ab9760362f127fe918e7e3e87" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking strmath v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `visitor` in this scope
[INFO] [stdout]   --> src/serde.rs:25:38
[INFO] [stdout]    |
[INFO] [stdout] 25 |         deserializer.deserialize_str(visitor)
[INFO] [stdout]    |                                      ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> src/serde.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Deserialize, Deserializer, Serialize,
[INFO] [stdout]   |                                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: type alias takes 0 generic arguments but 2 generic arguments were supplied
[INFO] [stdout]   --> src/serde.rs:10:62
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
[INFO] [stdout]    |                                                              ^^^^^^---------------- help: remove the unnecessary generics
[INFO] [stdout]    |                                                              |
[INFO] [stdout]    |                                                              expected 0 generic arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: type alias takes 0 generic arguments but 2 generic arguments were supplied
[INFO] [stdout]   --> src/serde.rs:20:57
[INFO] [stdout]    |
[INFO] [stdout] 20 |             fn visit_str<E: Error>(self, v: &'a str) -> Result<Self::Value, E> {
[INFO] [stdout]    |                                                         ^^^^^^---------------- help: remove the unnecessary generics
[INFO] [stdout]    |                                                         |
[INFO] [stdout]    |                                                         expected 0 generic arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `visitor` in this scope
[INFO] [stdout]   --> src/serde.rs:25:38
[INFO] [stdout]    |
[INFO] [stdout] 25 |         deserializer.deserialize_str(visitor)
[INFO] [stdout]    |                                      ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `deserialize` has an incompatible type for trait
[INFO] [stdout]   --> src/serde.rs:10:62
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^^^^^ expected `strmath::StrMath<'a>`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected signature `fn(_) -> Result<strmath::StrMath<'a>, <D as Deserializer<'de>>::Error>`
[INFO] [stdout]               found signature `fn(_) -> Result<(), std::fmt::Error>`
[INFO] [stdout] help: change the output type to match the trait
[INFO] [stdout]    |
[INFO] [stdout] 10 -     fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
[INFO] [stdout] 10 +     fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<strmath::StrMath<'a>, <D as Deserializer<'de>>::Error> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `visit_str` has an incompatible type for trait
[INFO] [stdout]   --> src/serde.rs:20:57
[INFO] [stdout]    |
[INFO] [stdout] 20 |             fn visit_str<E: Error>(self, v: &'a str) -> Result<Self::Value, E> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^ expected `strmath::StrMath<'_>`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected signature `fn(StrVisitor, &_) -> Result<strmath::StrMath<'_>, E>`
[INFO] [stdout]               found signature `fn(StrVisitor, &'a _) -> Result<(), std::fmt::Error>`
[INFO] [stdout] help: change the output type to match the trait
[INFO] [stdout]    |
[INFO] [stdout] 20 -             fn visit_str<E: Error>(self, v: &'a str) -> Result<Self::Value, E> {
[INFO] [stdout] 20 +             fn visit_str<E: Error>(self, v: &'a str) -> Result<strmath::StrMath<'_>, E> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0207]: the lifetime parameter `'a` is not constrained by the impl trait, self type, or predicates
[INFO] [stdout]   --> src/serde.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |         impl<'a, 'de: 'a> Visitor<'de> for StrVisitor {
[INFO] [stdout]    |              ^^ unconstrained lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: use the lifetime parameter `'a` in the `StrVisitor` type and use it in the type definition
[INFO] [stdout]    |
[INFO] [stdout] 11 ~         struct StrVisitor<'a>;
[INFO] [stdout] 12 |
[INFO] [stdout] 13 ~         impl<'a, 'de: 'a> Visitor<'de> for StrVisitor<'a> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/serde.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 Ok(StrMath::new_slice(v))
[INFO] [stdout]    |                 -- ^^^^^^^^^^^^^^^^^^^^^ expected `()`, found `StrMath<'_>`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout] help: the type constructed contains `strmath::StrMath<'_>` due to the type of the argument passed
[INFO] [stdout]   --> src/serde.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 Ok(StrMath::new_slice(v))
[INFO] [stdout]    |                 ^^^---------------------^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    this argument influences the type of `Ok`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/result.rs:561:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0053, E0107, E0207, E0308, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `strmath` (lib) due to 7 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> src/serde.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Deserialize, Deserializer, Serialize,
[INFO] [stdout]   |                                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: type alias takes 0 generic arguments but 2 generic arguments were supplied
[INFO] [stdout]   --> src/serde.rs:10:62
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
[INFO] [stdout]    |                                                              ^^^^^^---------------- help: remove the unnecessary generics
[INFO] [stdout]    |                                                              |
[INFO] [stdout]    |                                                              expected 0 generic arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: type alias takes 0 generic arguments but 2 generic arguments were supplied
[INFO] [stdout]   --> src/serde.rs:20:57
[INFO] [stdout]    |
[INFO] [stdout] 20 |             fn visit_str<E: Error>(self, v: &'a str) -> Result<Self::Value, E> {
[INFO] [stdout]    |                                                         ^^^^^^---------------- help: remove the unnecessary generics
[INFO] [stdout]    |                                                         |
[INFO] [stdout]    |                                                         expected 0 generic arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `deserialize` has an incompatible type for trait
[INFO] [stdout]   --> src/serde.rs:10:62
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^^^^^ expected `strmath::StrMath<'a>`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected signature `fn(_) -> Result<strmath::StrMath<'a>, <D as Deserializer<'de>>::Error>`
[INFO] [stdout]               found signature `fn(_) -> Result<(), std::fmt::Error>`
[INFO] [stdout] help: change the output type to match the trait
[INFO] [stdout]    |
[INFO] [stdout] 10 -     fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
[INFO] [stdout] 10 +     fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<strmath::StrMath<'a>, <D as Deserializer<'de>>::Error> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `visit_str` has an incompatible type for trait
[INFO] [stdout]   --> src/serde.rs:20:57
[INFO] [stdout]    |
[INFO] [stdout] 20 |             fn visit_str<E: Error>(self, v: &'a str) -> Result<Self::Value, E> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^ expected `strmath::StrMath<'_>`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected signature `fn(StrVisitor, &_) -> Result<strmath::StrMath<'_>, E>`
[INFO] [stdout]               found signature `fn(StrVisitor, &'a _) -> Result<(), std::fmt::Error>`
[INFO] [stdout] help: change the output type to match the trait
[INFO] [stdout]    |
[INFO] [stdout] 20 -             fn visit_str<E: Error>(self, v: &'a str) -> Result<Self::Value, E> {
[INFO] [stdout] 20 +             fn visit_str<E: Error>(self, v: &'a str) -> Result<strmath::StrMath<'_>, E> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0207]: the lifetime parameter `'a` is not constrained by the impl trait, self type, or predicates
[INFO] [stdout]   --> src/serde.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |         impl<'a, 'de: 'a> Visitor<'de> for StrVisitor {
[INFO] [stdout]    |              ^^ unconstrained lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: use the lifetime parameter `'a` in the `StrVisitor` type and use it in the type definition
[INFO] [stdout]    |
[INFO] [stdout] 11 ~         struct StrVisitor<'a>;
[INFO] [stdout] 12 |
[INFO] [stdout] 13 ~         impl<'a, 'de: 'a> Visitor<'de> for StrVisitor<'a> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/serde.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 Ok(StrMath::new_slice(v))
[INFO] [stdout]    |                 -- ^^^^^^^^^^^^^^^^^^^^^ expected `()`, found `StrMath<'_>`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout] help: the type constructed contains `strmath::StrMath<'_>` due to the type of the argument passed
[INFO] [stdout]   --> src/serde.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 Ok(StrMath::new_slice(v))
[INFO] [stdout]    |                 ^^^---------------------^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    this argument influences the type of `Ok`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/result.rs:561:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0053, E0107, E0207, E0308, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `strmath` (lib test) due to 7 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "db8368f30a84978208846106d0fa29b427d64c1ab9760362f127fe918e7e3e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db8368f30a84978208846106d0fa29b427d64c1ab9760362f127fe918e7e3e87", kill_on_drop: false }`
[INFO] [stdout] db8368f30a84978208846106d0fa29b427d64c1ab9760362f127fe918e7e3e87
