[INFO] cloning repository https://github.com/guolianwei/ruststudy [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guolianwei/ruststudy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguolianwei%2Fruststudy", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguolianwei%2Fruststudy'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c2a6cf999cb6dbd74f1a13c2da79b8b19ad9485a [INFO] checking guolianwei/ruststudy against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguolianwei%2Fruststudy" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/guolianwei/ruststudy on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/guolianwei/ruststudy [INFO] finished tweaking git repo https://github.com/guolianwei/ruststudy [INFO] tweaked toml for git repo https://github.com/guolianwei/ruststudy written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/guolianwei/ruststudy already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", 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] 183dfc495c5062e09c899414922fee3b135f73fa5c5915d488d672c468046775 [INFO] running `Command { std: "docker" "start" "-a" "183dfc495c5062e09c899414922fee3b135f73fa5c5915d488d672c468046775", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "183dfc495c5062e09c899414922fee3b135f73fa5c5915d488d672c468046775", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "183dfc495c5062e09c899414922fee3b135f73fa5c5915d488d672c468046775", kill_on_drop: false }` [INFO] [stdout] 183dfc495c5062e09c899414922fee3b135f73fa5c5915d488d672c468046775 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b55e75e99a1b4cab57d33b98d74f3fcf22f7a1a7e97b2ae9985bf7ec953da0bc [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" "b55e75e99a1b4cab57d33b98d74f3fcf22f7a1a7e97b2ae9985bf7ec953da0bc", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking guessing_game v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/vect.rs:48:11 [INFO] [stdout] | [INFO] [stdout] 48 | 97...122 | 65...90 | 48...57 => { [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/vect.rs:48:22 [INFO] [stdout] | [INFO] [stdout] 48 | 97...122 | 65...90 | 48...57 => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/vect.rs:48:32 [INFO] [stdout] | [INFO] [stdout] 48 | 97...122 | 65...90 | 48...57 => { [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/closures.rs:29:22 [INFO] [stdout] | [INFO] [stdout] 29 | fn factory() -> Box i32> { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32) -> i32` [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/closures.rs:34:22 [INFO] [stdout] | [INFO] [stdout] 34 | fn factory1() -> Box i32> { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32) -> i32` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/vect.rs:48:11 [INFO] [stdout] | [INFO] [stdout] 48 | 97...122 | 65...90 | 48...57 => { [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/vect.rs:48:22 [INFO] [stdout] | [INFO] [stdout] 48 | 97...122 | 65...90 | 48...57 => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/vect.rs:48:32 [INFO] [stdout] | [INFO] [stdout] 48 | 97...122 | 65...90 | 48...57 => { [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/closures.rs:29:22 [INFO] [stdout] | [INFO] [stdout] 29 | fn factory() -> Box i32> { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32) -> i32` [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/closures.rs:34:22 [INFO] [stdout] | [INFO] [stdout] 34 | fn factory1() -> Box i32> { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32) -> i32` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `read_to_string` found for struct `File` in the current scope [INFO] [stdout] --> src/main.rs:14:7 [INFO] [stdout] | [INFO] [stdout] 14 | f.read_to_string(&mut s)?; [INFO] [stdout] | ^^^^^^^^^^^^^^ method not found in `File` [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::Read; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `read_to_string` found for struct `File` in the current scope [INFO] [stdout] --> src/main.rs:20:30 [INFO] [stdout] | [INFO] [stdout] 20 | File::open("hello.txt")?.read_to_string(&mut s)?; [INFO] [stdout] | ^^^^^^^^^^^^^^ method not found in `File` [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::Read; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `read_to_string` found for struct `File` in the current scope [INFO] [stdout] --> src/main.rs:14:7 [INFO] [stdout] | [INFO] [stdout] 14 | f.read_to_string(&mut s)?; [INFO] [stdout] | ^^^^^^^^^^^^^^ method not found in `File` [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::Read; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `read_to_string` found for struct `File` in the current scope [INFO] [stdout] --> src/main.rs:20:30 [INFO] [stdout] | [INFO] [stdout] 20 | File::open("hello.txt")?.read_to_string(&mut s)?; [INFO] [stdout] | ^^^^^^^^^^^^^^ method not found in `File` [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::Read; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `guessing_game` [INFO] [stdout] error: aborting due to 2 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [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" "b55e75e99a1b4cab57d33b98d74f3fcf22f7a1a7e97b2ae9985bf7ec953da0bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b55e75e99a1b4cab57d33b98d74f3fcf22f7a1a7e97b2ae9985bf7ec953da0bc", kill_on_drop: false }` [INFO] [stdout] b55e75e99a1b4cab57d33b98d74f3fcf22f7a1a7e97b2ae9985bf7ec953da0bc