[INFO] updating cached repository https://github.com/infynyxx/hello_rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c5369eb9b26df30eb23d568d0815127655c832b1 [INFO] checking infynyxx/hello_rust against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finfynyxx%2Fhello_rust" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/infynyxx/hello_rust on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/infynyxx/hello_rust [INFO] finished tweaking git repo https://github.com/infynyxx/hello_rust [INFO] tweaked toml for git repo https://github.com/infynyxx/hello_rust written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/infynyxx/hello_rust already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e1b92dd0489e9c7c593947a8d94ab94086d71b1742b8439bd24e1f253da35bb5 [INFO] running `"docker" "start" "-a" "e1b92dd0489e9c7c593947a8d94ab94086d71b1742b8439bd24e1f253da35bb5"` [INFO] [stderr] Checking hello_rust v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] error: invalid suffix `u` for integer literal [INFO] [stderr] --> src/lib.rs:38:59 [INFO] [stderr] | [INFO] [stderr] 38 | let secret_number = (rand::random::() % 100u) + 1u; [INFO] [stderr] | ^^^^ invalid suffix `u` [INFO] [stderr] | [INFO] [stderr] = help: the suffix must be one of the integral types (`u32`, `isize`, etc) [INFO] [stderr] [INFO] [stderr] error: invalid suffix `u` for integer literal [INFO] [stderr] --> src/lib.rs:38:67 [INFO] [stderr] | [INFO] [stderr] 38 | let secret_number = (rand::random::() % 100u) + 1u; [INFO] [stderr] | ^^ invalid suffix `u` [INFO] [stderr] | [INFO] [stderr] = help: the suffix must be one of the integral types (`u32`, `isize`, etc) [INFO] [stderr] [INFO] [stderr] error: invalid suffix `i` for integer literal [INFO] [stderr] --> src/lib.rs:138:32 [INFO] [stderr] | [INFO] [stderr] 138 | let result = add_three(5i); [INFO] [stderr] | ^^ invalid suffix `i` [INFO] [stderr] | [INFO] [stderr] = help: the suffix must be one of the integral types (`u32`, `isize`, etc) [INFO] [stderr] [INFO] [stderr] error: invalid suffix `i` for integer literal [INFO] [stderr] --> src/lib.rs:144:33 [INFO] [stderr] | [INFO] [stderr] 144 | let result = times_four(5i); [INFO] [stderr] | ^^ invalid suffix `i` [INFO] [stderr] | [INFO] [stderr] = help: the suffix must be one of the integral types (`u32`, `isize`, etc) [INFO] [stderr] [INFO] [stderr] error: invalid suffix `i` for integer literal [INFO] [stderr] --> src/lib.rs:150:31 [INFO] [stderr] | [INFO] [stderr] 150 | let result = add_one(&100i); [INFO] [stderr] | ^^^^ invalid suffix `i` [INFO] [stderr] | [INFO] [stderr] = help: the suffix must be one of the integral types (`u32`, `isize`, etc) [INFO] [stderr] [INFO] [stderr] error: invalid suffix `u` for integer literal [INFO] [stderr] --> src/lib.rs:38:59 [INFO] [stderr] | [INFO] [stderr] 38 | let secret_number = (rand::random::() % 100u) + 1u; [INFO] [stderr] | ^^^^ invalid suffix `u` [INFO] [stderr] | [INFO] [stderr] = help: the suffix must be one of the integral types (`u32`, `isize`, etc) [INFO] [stderr] [INFO] [stderr] error: invalid suffix `u` for integer literal [INFO] [stderr] --> src/lib.rs:38:67 [INFO] [stderr] | [INFO] [stderr] 38 | let secret_number = (rand::random::() % 100u) + 1u; [INFO] [stderr] | ^^ invalid suffix `u` [INFO] [stderr] | [INFO] [stderr] = help: the suffix must be one of the integral types (`u32`, `isize`, etc) [INFO] [stderr] [INFO] [stderr] error: invalid suffix `i` for integer literal [INFO] [stderr] --> src/lib.rs:138:32 [INFO] [stderr] | [INFO] [stderr] 138 | let result = add_three(5i); [INFO] [stderr] | ^^ invalid suffix `i` [INFO] [stderr] | [INFO] [stderr] = help: the suffix must be one of the integral types (`u32`, `isize`, etc) [INFO] [stderr] [INFO] [stderr] error: invalid suffix `i` for integer literal [INFO] [stderr] --> src/lib.rs:144:33 [INFO] [stderr] | [INFO] [stderr] 144 | let result = times_four(5i); [INFO] [stderr] | ^^ invalid suffix `i` [INFO] [stderr] | [INFO] [stderr] = help: the suffix must be one of the integral types (`u32`, `isize`, etc) [INFO] [stderr] [INFO] [stderr] error: invalid suffix `i` for integer literal [INFO] [stderr] --> src/lib.rs:150:31 [INFO] [stderr] | [INFO] [stderr] 150 | let result = add_one(&100i); [INFO] [stderr] | ^^^^ invalid suffix `i` [INFO] [stderr] | [INFO] [stderr] = help: the suffix must be one of the integral types (`u32`, `isize`, etc) [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `std::rand` [INFO] [stderr] --> src/lib.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | use std::rand; [INFO] [stderr] | ^^^^^^^^^ no `rand` in the root [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `int` in this scope [INFO] [stderr] --> src/lib.rs:21:17 [INFO] [stderr] | [INFO] [stderr] 21 | fn add_three(x: int) -> int { x + 3 } [INFO] [stderr] | ^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `int` in this scope [INFO] [stderr] --> src/lib.rs:21:25 [INFO] [stderr] | [INFO] [stderr] 21 | fn add_three(x: int) -> int { x + 3 } [INFO] [stderr] | ^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `int` in this scope [INFO] [stderr] --> src/lib.rs:23:18 [INFO] [stderr] | [INFO] [stderr] 23 | fn times_four(x: int) -> int { x * 4 } [INFO] [stderr] | ^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `int` in this scope [INFO] [stderr] --> src/lib.rs:23:26 [INFO] [stderr] | [INFO] [stderr] 23 | fn times_four(x: int) -> int { x * 4 } [INFO] [stderr] | ^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `int` in this scope [INFO] [stderr] --> src/lib.rs:25:20 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn add_one(x: &int) -> int { *x + 1 } [INFO] [stderr] | ^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `int` in this scope [INFO] [stderr] --> src/lib.rs:25:28 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn add_one(x: &int) -> int { *x + 1 } [INFO] [stderr] | ^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `int` in this scope [INFO] [stderr] --> src/lib.rs:27:32 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn add_three_times_four(x: int) -> int { [INFO] [stderr] | ^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `int` in this scope [INFO] [stderr] --> src/lib.rs:27:40 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn add_three_times_four(x: int) -> int { [INFO] [stderr] | ^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `uint` in this scope [INFO] [stderr] --> src/lib.rs:38:49 [INFO] [stderr] | [INFO] [stderr] 35 | pub fn random_guess() { [INFO] [stderr] | - help: you might be missing a type parameter: `` [INFO] [stderr] ... [INFO] [stderr] 38 | let secret_number = (rand::random::() % 100u) + 1u; [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `uint` in this scope [INFO] [stderr] --> src/lib.rs:44:35 [INFO] [stderr] | [INFO] [stderr] 35 | pub fn random_guess() { [INFO] [stderr] | - help: you might be missing a type parameter: `` [INFO] [stderr] ... [INFO] [stderr] 44 | let input_num: Option = from_str(input.as_slice().trim()); [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `from_str` in this scope [INFO] [stderr] --> src/lib.rs:44:43 [INFO] [stderr] | [INFO] [stderr] 44 | let input_num: Option = from_str(input.as_slice().trim()); [INFO] [stderr] | ^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `uint` in this scope [INFO] [stderr] --> src/lib.rs:74:19 [INFO] [stderr] | [INFO] [stderr] 74 | fn compare(a: uint, b: uint) -> Ordering { [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `uint` in this scope [INFO] [stderr] --> src/lib.rs:74:28 [INFO] [stderr] | [INFO] [stderr] 74 | fn compare(a: uint, b: uint) -> Ordering { [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `GREATER` in this scope [INFO] [stderr] --> src/lib.rs:75:20 [INFO] [stderr] | [INFO] [stderr] 75 | if a > b { GREATER } [INFO] [stderr] | ^^^^^^^ not found in this scope [INFO] [stderr] | [INFO] [stderr] help: possible candidate is found in another module, you can import it into scope [INFO] [stderr] | [INFO] [stderr] 32 | use games::Ordering::GREATER; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `LESS` in this scope [INFO] [stderr] --> src/lib.rs:76:25 [INFO] [stderr] | [INFO] [stderr] 76 | else if a < b { LESS } [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] | [INFO] [stderr] help: possible candidate is found in another module, you can import it into scope [INFO] [stderr] | [INFO] [stderr] 32 | use games::Ordering::LESS; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `EQUAL` in this scope [INFO] [stderr] --> src/lib.rs:77:16 [INFO] [stderr] | [INFO] [stderr] 77 | else { EQUAL } [INFO] [stderr] | ^^^^^ not found in this scope [INFO] [stderr] | [INFO] [stderr] help: possible candidate is found in another module, you can import it into scope [INFO] [stderr] | [INFO] [stderr] 32 | use games::Ordering::EQUAL; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `uint` in this scope [INFO] [stderr] --> src/lib.rs:97:38 [INFO] [stderr] | [INFO] [stderr] 97 | pub fn name_size(person: &Person) -> uint { [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `uint` in this scope [INFO] [stderr] --> src/lib.rs:104:12 [INFO] [stderr] | [INFO] [stderr] 104 | value: uint, [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead [INFO] [stderr] --> src/lib.rs:124:44 [INFO] [stderr] | [INFO] [stderr] 124 | let node2 = Node {value: 2, next: Some(box node1)}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #49733 for more information [INFO] [stderr] = help: add `#![feature(box_syntax)]` to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead [INFO] [stderr] --> src/lib.rs:125:44 [INFO] [stderr] | [INFO] [stderr] 125 | let node3 = Node {value: 3, next: Some(box node2)}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #49733 for more information [INFO] [stderr] = help: add `#![feature(box_syntax)]` to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] error[E0061]: this function takes 1 argument but 0 arguments were supplied [INFO] [stderr] --> src/lib.rs:40:37 [INFO] [stderr] | [INFO] [stderr] 40 | let input = io::stdin().read_line() [INFO] [stderr] | ^^^^^^^^^- supplied 0 arguments [INFO] [stderr] | | [INFO] [stderr] | expected 1 argument [INFO] [stderr] [INFO] [stderr] error: invalid suffix `i` for integer literal [INFO] [stderr] --> src/lib.rs:139:20 [INFO] [stderr] | [INFO] [stderr] 139 | assert_eq!(8i, result); [INFO] [stderr] | ^^ invalid suffix `i` [INFO] [stderr] | [INFO] [stderr] = help: the suffix must be one of the integral types (`u32`, `isize`, etc) [INFO] [stderr] [INFO] [stderr] error: invalid suffix `i` for integer literal [INFO] [stderr] --> src/lib.rs:145:20 [INFO] [stderr] | [INFO] [stderr] 145 | assert_eq!(20i, result); [INFO] [stderr] | ^^^ invalid suffix `i` [INFO] [stderr] | [INFO] [stderr] = help: the suffix must be one of the integral types (`u32`, `isize`, etc) [INFO] [stderr] [INFO] [stderr] error: invalid suffix `i` for integer literal [INFO] [stderr] --> src/lib.rs:151:20 [INFO] [stderr] | [INFO] [stderr] 151 | assert_eq!(101i, result); [INFO] [stderr] | ^^^^ invalid suffix `i` [INFO] [stderr] | [INFO] [stderr] = help: the suffix must be one of the integral types (`u32`, `isize`, etc) [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `std::rand` [INFO] [stderr] --> src/lib.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | use std::rand; [INFO] [stderr] | ^^^^^^^^^ no `rand` in the root [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `int` in this scope [INFO] [stderr] --> src/lib.rs:21:17 [INFO] [stderr] | [INFO] [stderr] 21 | fn add_three(x: int) -> int { x + 3 } [INFO] [stderr] | ^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `int` in this scope [INFO] [stderr] --> src/lib.rs:21:25 [INFO] [stderr] | [INFO] [stderr] 21 | fn add_three(x: int) -> int { x + 3 } [INFO] [stderr] | ^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `int` in this scope [INFO] [stderr] --> src/lib.rs:23:18 [INFO] [stderr] | [INFO] [stderr] 23 | fn times_four(x: int) -> int { x * 4 } [INFO] [stderr] | ^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `int` in this scope [INFO] [stderr] --> src/lib.rs:23:26 [INFO] [stderr] | [INFO] [stderr] 23 | fn times_four(x: int) -> int { x * 4 } [INFO] [stderr] | ^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `int` in this scope [INFO] [stderr] --> src/lib.rs:25:20 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn add_one(x: &int) -> int { *x + 1 } [INFO] [stderr] | ^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `int` in this scope [INFO] [stderr] --> src/lib.rs:25:28 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn add_one(x: &int) -> int { *x + 1 } [INFO] [stderr] | ^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `int` in this scope [INFO] [stderr] --> src/lib.rs:27:32 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn add_three_times_four(x: int) -> int { [INFO] [stderr] | ^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `int` in this scope [INFO] [stderr] --> src/lib.rs:27:40 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn add_three_times_four(x: int) -> int { [INFO] [stderr] | ^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `uint` in this scope [INFO] [stderr] --> src/lib.rs:38:49 [INFO] [stderr] | [INFO] [stderr] 35 | pub fn random_guess() { [INFO] [stderr] | - help: you might be missing a type parameter: `` [INFO] [stderr] ... [INFO] [stderr] 38 | let secret_number = (rand::random::() % 100u) + 1u; [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `uint` in this scope [INFO] [stderr] --> src/lib.rs:44:35 [INFO] [stderr] | [INFO] [stderr] 35 | pub fn random_guess() { [INFO] [stderr] | - help: you might be missing a type parameter: `` [INFO] [stderr] ... [INFO] [stderr] 44 | let input_num: Option = from_str(input.as_slice().trim()); [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `from_str` in this scope [INFO] [stderr] --> src/lib.rs:44:43 [INFO] [stderr] | [INFO] [stderr] 44 | let input_num: Option = from_str(input.as_slice().trim()); [INFO] [stderr] | ^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `uint` in this scope [INFO] [stderr] --> src/lib.rs:74:19 [INFO] [stderr] | [INFO] [stderr] 74 | fn compare(a: uint, b: uint) -> Ordering { [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `uint` in this scope [INFO] [stderr] --> src/lib.rs:74:28 [INFO] [stderr] | [INFO] [stderr] 74 | fn compare(a: uint, b: uint) -> Ordering { [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `as_slice` found for type `usize` in the current scope [INFO] [stderr] --> src/lib.rs:44:58 [INFO] [stderr] | [INFO] [stderr] 44 | let input_num: Option = from_str(input.as_slice().trim()); [INFO] [stderr] | ^^^^^^^^ method not found in `usize` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `GREATER` in this scope [INFO] [stderr] --> src/lib.rs:75:20 [INFO] [stderr] | [INFO] [stderr] 75 | if a > b { GREATER } [INFO] [stderr] | ^^^^^^^ not found in this scope [INFO] [stderr] | [INFO] [stderr] help: possible candidate is found in another module, you can import it into scope [INFO] [stderr] | [INFO] [stderr] 32 | use games::Ordering::GREATER; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `LESS` in this scope [INFO] [stderr] --> src/lib.rs:76:25 [INFO] [stderr] | [INFO] [stderr] 76 | else if a < b { LESS } [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] | [INFO] [stderr] help: possible candidate is found in another module, you can import it into scope [INFO] [stderr] | [INFO] [stderr] 32 | use games::Ordering::LESS; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `EQUAL` in this scope [INFO] [stderr] --> src/lib.rs:77:16 [INFO] [stderr] | [INFO] [stderr] 77 | else { EQUAL } [INFO] [stderr] | ^^^^^ not found in this scope [INFO] [stderr] | [INFO] [stderr] help: possible candidate is found in another module, you can import it into scope [INFO] [stderr] | [INFO] [stderr] 32 | use games::Ordering::EQUAL; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `uint` in this scope [INFO] [stderr] --> src/lib.rs:97:38 [INFO] [stderr] | [INFO] [stderr] 97 | pub fn name_size(person: &Person) -> uint { [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `uint` in this scope [INFO] [stderr] --> src/lib.rs:104:12 [INFO] [stderr] | [INFO] [stderr] 104 | value: uint, [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead [INFO] [stderr] --> src/lib.rs:124:44 [INFO] [stderr] | [INFO] [stderr] 124 | let node2 = Node {value: 2, next: Some(box node1)}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #49733 for more information [INFO] [stderr] = help: add `#![feature(box_syntax)]` to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead [INFO] [stderr] --> src/lib.rs:125:44 [INFO] [stderr] | [INFO] [stderr] 125 | let node3 = Node {value: 3, next: Some(box node2)}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #49733 for more information [INFO] [stderr] = help: add `#![feature(box_syntax)]` to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] error: aborting due to 28 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0061, E0412, E0425, E0432, E0599, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0061`. [INFO] [stderr] error[E0061]: this function takes 1 argument but 0 arguments were supplied [INFO] [stderr] --> src/lib.rs:40:37 [INFO] [stderr] | [INFO] [stderr] 40 | let input = io::stdin().read_line() [INFO] [stderr] | ^^^^^^^^^- supplied 0 arguments [INFO] [stderr] | | [INFO] [stderr] | expected 1 argument [INFO] [stderr] [INFO] [stderr] error: could not compile `hello_rust`. [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[E0599]: no method named `as_slice` found for type `usize` in the current scope [INFO] [stderr] --> src/lib.rs:44:58 [INFO] [stderr] | [INFO] [stderr] 44 | let input_num: Option = from_str(input.as_slice().trim()); [INFO] [stderr] | ^^^^^^^^ method not found in `usize` [INFO] [stderr] [INFO] [stderr] error: aborting due to 31 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0061, E0412, E0425, E0432, E0599, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0061`. [INFO] [stderr] error: could not compile `hello_rust`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "e1b92dd0489e9c7c593947a8d94ab94086d71b1742b8439bd24e1f253da35bb5"` [INFO] running `"docker" "rm" "-f" "e1b92dd0489e9c7c593947a8d94ab94086d71b1742b8439bd24e1f253da35bb5"` [INFO] [stdout] e1b92dd0489e9c7c593947a8d94ab94086d71b1742b8439bd24e1f253da35bb5