[INFO] cloning repository https://github.com/MinusKelvin/lambda-calculus [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MinusKelvin/lambda-calculus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinusKelvin%2Flambda-calculus", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinusKelvin%2Flambda-calculus'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a294318559b540a694bca6bf0f61a22aa8424963 [INFO] checking MinusKelvin/lambda-calculus against master#dfdbe30004a095ad63951c4cd6e10a9a971a7399 for pr-120932 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinusKelvin%2Flambda-calculus" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MinusKelvin/lambda-calculus on toolchain dfdbe30004a095ad63951c4cd6e10a9a971a7399 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dfdbe30004a095ad63951c4cd6e10a9a971a7399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MinusKelvin/lambda-calculus [INFO] finished tweaking git repo https://github.com/MinusKelvin/lambda-calculus [INFO] tweaked toml for git repo https://github.com/MinusKelvin/lambda-calculus written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/MinusKelvin/lambda-calculus 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" "+dfdbe30004a095ad63951c4cd6e10a9a971a7399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking MinusKelvin/lambda-calculus against master#ba824a2e25948a86596ccf7594afe548020e86e6 for pr-120932 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinusKelvin%2Flambda-calculus" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MinusKelvin/lambda-calculus on toolchain ba824a2e25948a86596ccf7594afe548020e86e6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba824a2e25948a86596ccf7594afe548020e86e6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MinusKelvin/lambda-calculus [INFO] finished tweaking git repo https://github.com/MinusKelvin/lambda-calculus [INFO] tweaked toml for git repo https://github.com/MinusKelvin/lambda-calculus written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/MinusKelvin/lambda-calculus 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" "+ba824a2e25948a86596ccf7594afe548020e86e6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking MinusKelvin/lambda-calculus against master#ba824a2e25948a86596ccf7594afe548020e86e6 for pr-120932 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinusKelvin%2Flambda-calculus" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MinusKelvin/lambda-calculus on toolchain ba824a2e25948a86596ccf7594afe548020e86e6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba824a2e25948a86596ccf7594afe548020e86e6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MinusKelvin/lambda-calculus [INFO] finished tweaking git repo https://github.com/MinusKelvin/lambda-calculus [INFO] tweaked toml for git repo https://github.com/MinusKelvin/lambda-calculus written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/MinusKelvin/lambda-calculus 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" "+ba824a2e25948a86596ccf7594afe548020e86e6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rustyline v3.0.0 [INFO] [stderr] Downloaded syn v0.15.29 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+ba824a2e25948a86596ccf7594afe548020e86e6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3d4424f7a36f00afa7a284b2722f1aa725ed4cf432a838c0524e2fabe8dfe384 [INFO] running `Command { std: "docker" "start" "-a" "3d4424f7a36f00afa7a284b2722f1aa725ed4cf432a838c0524e2fabe8dfe384", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3d4424f7a36f00afa7a284b2722f1aa725ed4cf432a838c0524e2fabe8dfe384", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d4424f7a36f00afa7a284b2722f1aa725ed4cf432a838c0524e2fabe8dfe384", kill_on_drop: false }` [INFO] [stdout] 3d4424f7a36f00afa7a284b2722f1aa725ed4cf432a838c0524e2fabe8dfe384 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+ba824a2e25948a86596ccf7594afe548020e86e6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f50f304f2dd78359b4c120ffdc2515e0330ba7e5d82ae50530a978f4725cb98f [INFO] running `Command { std: "docker" "start" "-a" "f50f304f2dd78359b4c120ffdc2515e0330ba7e5d82ae50530a978f4725cb98f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.50 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Compiling nix v0.11.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking unicode-segmentation v1.2.1 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking utf8parse v0.1.1 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking rustyline v3.0.0 [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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 for String; [INFO] [stdout] - impl AsRef for String; [INFO] [stdout] - impl AsRef<[u8]> for String; [INFO] [stdout] - impl AsRef for String; [INFO] [stdout] help: consider specifying the generic argument [INFO] [stdout] | [INFO] [stdout] 151 | self.add::<&T>(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-6f17d22bba15001f/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` found in the following crates: `alloc`, `core`: [INFO] [stdout] - impl AsRef for String; [INFO] [stdout] - impl AsRef for str; [INFO] [stdout] = note: required for `&P` to implement `AsRef` [INFO] [stdout] note: required by a bound in `History::add` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustyline-3.0.0/src/history.rs:56:19 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn add + Into>(&mut self, line: S) -> bool { [INFO] [stdout] | ^^^^^^^^^^ required by this bound in `History::add` [INFO] [stdout] help: consider specifying the generic argument [INFO] [stdout] | [INFO] [stdout] 151 | self.add::<&T>(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-6f17d22bba15001f/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 for String; [INFO] [stdout] - impl AsRef for String; [INFO] [stdout] - impl AsRef<[u8]> for String; [INFO] [stdout] - impl AsRef for String; [INFO] [stdout] help: consider specifying the generic argument [INFO] [stdout] | [INFO] [stdout] 655 | editor.add_history_entry::<&T>(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-6f17d22bba15001f/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` found in the following crates: `alloc`, `core`: [INFO] [stdout] - impl AsRef for String; [INFO] [stdout] - impl AsRef for str; [INFO] [stdout] = note: required for `&_` to implement `AsRef` [INFO] [stdout] note: required by a bound in `Editor::::add_history_entry` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustyline-3.0.0/src/lib.rs:769:33 [INFO] [stdout] | [INFO] [stdout] 769 | pub fn add_history_entry + Into>(&mut self, line: S) -> bool { [INFO] [stdout] | ^^^^^^^^^^ required by this bound in `Editor::::add_history_entry` [INFO] [stdout] help: consider specifying the generic argument [INFO] [stdout] | [INFO] [stdout] 655 | editor.add_history_entry::<&T>(line.as_ref()); [INFO] [stdout] | ++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustyline` (lib) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "f50f304f2dd78359b4c120ffdc2515e0330ba7e5d82ae50530a978f4725cb98f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f50f304f2dd78359b4c120ffdc2515e0330ba7e5d82ae50530a978f4725cb98f", kill_on_drop: false }` [INFO] [stdout] f50f304f2dd78359b4c120ffdc2515e0330ba7e5d82ae50530a978f4725cb98f