[INFO] cloning repository https://github.com/gefjon/conlang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gefjon/conlang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgefjon%2Fconlang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgefjon%2Fconlang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d468c5be61435c911d1dec5875ff964e739266f
[INFO] testing gefjon/conlang against 1.100.0-beta.1 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgefjon%2Fconlang" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gefjon/conlang
[INFO] finished tweaking git repo https://github.com/gefjon/conlang
[INFO] tweaked toml for git repo https://github.com/gefjon/conlang written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gefjon/conlang on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gefjon/conlang 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 165ac68eb5f58489f8ce53e1dc39520b4669ba1faa88fa163c823804180228f7
[INFO] running `Command { std: "docker" "start" "165ac68eb5f58489f8ce53e1dc39520b4669ba1faa88fa163c823804180228f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "165ac68eb5f58489f8ce53e1dc39520b4669ba1faa88fa163c823804180228f7", 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" "165ac68eb5f58489f8ce53e1dc39520b4669ba1faa88fa163c823804180228f7" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "165ac68eb5f58489f8ce53e1dc39520b4669ba1faa88fa163c823804180228f7", 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=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "165ac68eb5f58489f8ce53e1dc39520b4669ba1faa88fa163c823804180228f7" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling dirs v1.0.4
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling rustyline v3.0.0
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustyline-3.0.0/src/history.rs:151:18
[INFO] [stdout]     |
[INFO] [stdout] 151 |             self.add(line?.as_ref()); // TODO truncate to MAX_LINE
[INFO] [stdout]     |                  ^^^       ------ type must be known at this point
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  cannot infer type of the type parameter `S` declared on the method `add`
[INFO] [stdout]     |
[INFO] [stdout]     = note: multiple `impl`s satisfying `String: AsRef<_>` found in the following crates: `alloc`, `std`:
[INFO] [stdout]             - impl AsRef<OsStr> for String;
[INFO] [stdout]             - impl AsRef<Path> for String;
[INFO] [stdout]             - impl AsRef<[u8]> for String;
[INFO] [stdout]             - impl AsRef<str> for String;
[INFO] [stdout] help: consider specifying a concrete type for the type parameter `S`
[INFO] [stdout]     |
[INFO] [stdout] 151 |             self.add::</* Type */>(line?.as_ref()); // TODO truncate to MAX_LINE
[INFO] [stdout]     |                     ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustyline-3.0.0/src/history.rs:151:18
[INFO] [stdout]     |
[INFO] [stdout] 151 |             self.add(line?.as_ref()); // TODO truncate to MAX_LINE
[INFO] [stdout]     |                  ^^^ cannot infer type of the type parameter `S` declared on the method `add`
[INFO] [stdout]     |
[INFO] [stdout]     = note: multiple `impl`s satisfying `_: AsRef<str>` found in the following crates: `alloc`, `core`:
[INFO] [stdout]             - impl AsRef<str> for String;
[INFO] [stdout]             - impl AsRef<str> for str;
[INFO] [stdout]     = note: cannot satisfy `String: From<&P>`
[INFO] [stdout]     = note: required for `&P` to implement `AsRef<str>`
[INFO] [stdout] note: required by a bound in `History::add`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustyline-3.0.0/src/history.rs:56:19
[INFO] [stdout]     |
[INFO] [stdout]  31 | impl History {
[INFO] [stdout] ...
[INFO] [stdout]  56 |     pub fn add<S: AsRef<str> + Into<String>>(&mut self, line: S) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^^^ required by this bound in `History::add`
[INFO] [stdout]     = note: required for `&P` to implement `Into<String>`
[INFO] [stdout] note: required by a bound in `History::add`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustyline-3.0.0/src/history.rs:56:32
[INFO] [stdout]     |
[INFO] [stdout]  31 | impl History {
[INFO] [stdout] ...
[INFO] [stdout]  56 |     pub fn add<S: AsRef<str> + Into<String>>(&mut self, line: S) -> bool {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ required by this bound in `History::add`
[INFO] [stdout] help: consider specifying a concrete type for the type parameter `S`
[INFO] [stdout]     |
[INFO] [stdout] 151 |             self.add::</* Type */>(line?.as_ref()); // TODO truncate to MAX_LINE
[INFO] [stdout]     |                     ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustyline-3.0.0/src/lib.rs:655:20
[INFO] [stdout]     |
[INFO] [stdout] 655 |             editor.add_history_entry(line.as_ref());
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^      ------ type must be known at this point
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    cannot infer type of the type parameter `S` declared on the method `add_history_entry`
[INFO] [stdout]     |
[INFO] [stdout]     = note: multiple `impl`s satisfying `String: AsRef<_>` found in the following crates: `alloc`, `std`:
[INFO] [stdout]             - impl AsRef<OsStr> for String;
[INFO] [stdout]             - impl AsRef<Path> for String;
[INFO] [stdout]             - impl AsRef<[u8]> for String;
[INFO] [stdout]             - impl AsRef<str> for String;
[INFO] [stdout] help: consider specifying a concrete type for the type parameter `S`
[INFO] [stdout]     |
[INFO] [stdout] 655 |             editor.add_history_entry::</* Type */>(line.as_ref());
[INFO] [stdout]     |                                     ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustyline-3.0.0/src/lib.rs:655:20
[INFO] [stdout]     |
[INFO] [stdout] 655 |             editor.add_history_entry(line.as_ref());
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ cannot infer type of the type parameter `S` declared on the method `add_history_entry`
[INFO] [stdout]     |
[INFO] [stdout]     = note: multiple `impl`s satisfying `_: AsRef<str>` found in the following crates: `alloc`, `core`:
[INFO] [stdout]             - impl AsRef<str> for String;
[INFO] [stdout]             - impl AsRef<str> for str;
[INFO] [stdout]     = note: cannot satisfy `String: From<&_>`
[INFO] [stdout]     = note: required for `&_` to implement `AsRef<str>`
[INFO] [stdout] note: required by a bound in `Editor::<H>::add_history_entry`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustyline-3.0.0/src/lib.rs:769:33
[INFO] [stdout]     |
[INFO] [stdout] 700 | impl<H: Helper> Editor<H> {
[INFO] [stdout] ...
[INFO] [stdout] 769 |     pub fn add_history_entry<S: AsRef<str> + Into<String>>(&mut self, line: S) -> bool {
[INFO] [stdout]     |                                 ^^^^^^^^^^ required by this bound in `Editor::<H>::add_history_entry`
[INFO] [stdout]     = note: required for `&_` to implement `Into<String>`
[INFO] [stdout] note: required by a bound in `Editor::<H>::add_history_entry`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustyline-3.0.0/src/lib.rs:769:46
[INFO] [stdout]     |
[INFO] [stdout] 700 | impl<H: Helper> Editor<H> {
[INFO] [stdout] ...
[INFO] [stdout] 769 |     pub fn add_history_entry<S: AsRef<str> + Into<String>>(&mut self, line: S) -> bool {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^ required by this bound in `Editor::<H>::add_history_entry`
[INFO] [stdout] help: consider specifying a concrete type for the type parameter `S`
[INFO] [stdout]     |
[INFO] [stdout] 655 |             editor.add_history_entry::</* Type */>(line.as_ref());
[INFO] [stdout]     |                                     ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr] error: could not compile `rustyline` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "165ac68eb5f58489f8ce53e1dc39520b4669ba1faa88fa163c823804180228f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "165ac68eb5f58489f8ce53e1dc39520b4669ba1faa88fa163c823804180228f7", kill_on_drop: false }`
[INFO] [stdout] 165ac68eb5f58489f8ce53e1dc39520b4669ba1faa88fa163c823804180228f7
