Nov 28 14:15:32.254 INFO checking CarloMicieli/rust_tutorial against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074 Nov 28 14:15:32.254 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Nov 28 14:15:32.464 INFO [stdout] 5455d2c4af14a2394eaf32f5fb173d8a558c59f47ab5c7cb2cb58c183103aeec Nov 28 14:15:32.466 INFO running `"docker" "start" "-a" "5455d2c4af14a2394eaf32f5fb173d8a558c59f47ab5c7cb2cb58c183103aeec"` Nov 28 14:15:33.032 INFO [stderr] usermod: no changes Nov 28 14:15:33.064 INFO [stderr] Checking rust_tutorial v0.1.0 (/source) Nov 28 14:15:33.720 INFO [stderr] warning: unused import: `super::*` Nov 28 14:15:33.720 INFO [stderr] --> src/collections/arrays.rs:4:9 Nov 28 14:15:33.720 INFO [stderr] | Nov 28 14:15:33.720 INFO [stderr] 4 | use super::*; Nov 28 14:15:33.720 INFO [stderr] | ^^^^^^^^ Nov 28 14:15:33.720 INFO [stderr] | Nov 28 14:15:33.720 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 28 14:15:33.720 INFO [stderr] Nov 28 14:15:33.720 INFO [stderr] warning: unused import: `super::*` Nov 28 14:15:33.720 INFO [stderr] --> src/collections/vectors.rs:4:9 Nov 28 14:15:33.720 INFO [stderr] | Nov 28 14:15:33.720 INFO [stderr] 4 | use super::*; Nov 28 14:15:33.720 INFO [stderr] | ^^^^^^^^ Nov 28 14:15:33.720 INFO [stderr] Nov 28 14:15:33.829 INFO [stderr] warning: function is never used: `thruth` Nov 28 14:15:33.829 INFO [stderr] --> src/control_flow/ifs.rs:1:1 Nov 28 14:15:33.829 INFO [stderr] | Nov 28 14:15:33.829 INFO [stderr] 1 | pub fn thruth(x: i32) -> bool { Nov 28 14:15:33.829 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 14:15:33.829 INFO [stderr] | Nov 28 14:15:33.829 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 28 14:15:33.829 INFO [stderr] Nov 28 14:15:33.829 INFO [stderr] warning: function is never used: `if_as_expression` Nov 28 14:15:33.829 INFO [stderr] --> src/control_flow/ifs.rs:9:1 Nov 28 14:15:33.829 INFO [stderr] | Nov 28 14:15:33.829 INFO [stderr] 9 | pub fn if_as_expression(x: i32) -> &'static str { Nov 28 14:15:33.829 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 14:15:33.829 INFO [stderr] Nov 28 14:15:33.829 INFO [stderr] warning: function is never used: `sum` Nov 28 14:15:33.829 INFO [stderr] --> src/control_flow/loops.rs:2:1 Nov 28 14:15:33.829 INFO [stderr] | Nov 28 14:15:33.829 INFO [stderr] 2 | pub fn sum(from: i32, to: i32) -> i32 { Nov 28 14:15:33.829 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 14:15:33.829 INFO [stderr] Nov 28 14:15:33.829 INFO [stderr] warning: function is never used: `sum2` Nov 28 14:15:33.829 INFO [stderr] --> src/control_flow/loops.rs:15:1 Nov 28 14:15:33.829 INFO [stderr] | Nov 28 14:15:33.829 INFO [stderr] 15 | pub fn sum2(from: i32, to: i32) -> i32 { Nov 28 14:15:33.829 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 14:15:33.829 INFO [stderr] Nov 28 14:15:33.829 INFO [stderr] warning: function is never used: `sum3` Nov 28 14:15:33.829 INFO [stderr] --> src/control_flow/loops.rs:24:1 Nov 28 14:15:33.829 INFO [stderr] | Nov 28 14:15:33.829 INFO [stderr] 24 | pub fn sum3(from: i32, to: i32) -> i32 { Nov 28 14:15:33.829 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 14:15:33.829 INFO [stderr] Nov 28 14:15:33.829 INFO [stderr] warning: variant is never constructed: `Val` Nov 28 14:15:33.829 INFO [stderr] --> src/custom_types/expressions.rs:5:5 Nov 28 14:15:33.829 INFO [stderr] | Nov 28 14:15:33.829 INFO [stderr] 5 | Val { n: i32 }, Nov 28 14:15:33.829 INFO [stderr] | ^^^^^^^^^^^^^^ Nov 28 14:15:33.829 INFO [stderr] Nov 28 14:15:33.829 INFO [stderr] warning: variant is never constructed: `Variable` Nov 28 14:15:33.829 INFO [stderr] --> src/custom_types/expressions.rs:6:5 Nov 28 14:15:33.829 INFO [stderr] | Nov 28 14:15:33.829 INFO [stderr] 6 | Variable { name: String, exp: Box }, Nov 28 14:15:33.829 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 14:15:33.829 INFO [stderr] Nov 28 14:15:33.829 INFO [stderr] warning: variant is never constructed: `Sum` Nov 28 14:15:33.829 INFO [stderr] --> src/custom_types/expressions.rs:7:5 Nov 28 14:15:33.829 INFO [stderr] | Nov 28 14:15:33.829 INFO [stderr] 7 | Sum { lhs: Box, rhs: Box }, Nov 28 14:15:33.829 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 14:15:33.829 INFO [stderr] Nov 28 14:15:33.829 INFO [stderr] warning: method is never used: `constant` Nov 28 14:15:33.829 INFO [stderr] --> src/custom_types/expressions.rs:22:5 Nov 28 14:15:33.829 INFO [stderr] | Nov 28 14:15:33.829 INFO [stderr] 22 | pub fn constant(val: i32) -> Exp { Nov 28 14:15:33.829 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 14:15:33.829 INFO [stderr] Nov 28 14:15:33.829 INFO [stderr] warning: method is never used: `variable` Nov 28 14:15:33.829 INFO [stderr] --> src/custom_types/expressions.rs:29:5 Nov 28 14:15:33.829 INFO [stderr] | Nov 28 14:15:33.829 INFO [stderr] 29 | pub fn variable(name: &str, exp: Exp) -> Exp { Nov 28 14:15:33.829 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 14:15:33.829 INFO [stderr] Nov 28 14:15:33.829 INFO [stderr] warning: method is never used: `sum` Nov 28 14:15:33.829 INFO [stderr] --> src/custom_types/expressions.rs:36:5 Nov 28 14:15:33.829 INFO [stderr] | Nov 28 14:15:33.829 INFO [stderr] 36 | pub fn sum(lhs: Exp, rhs: Exp) -> Exp { Nov 28 14:15:33.829 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 14:15:33.829 INFO [stderr] Nov 28 14:15:33.829 INFO [stderr] warning: method is never used: `eval` Nov 28 14:15:33.829 INFO [stderr] --> src/custom_types/expressions.rs:43:5 Nov 28 14:15:33.829 INFO [stderr] | Nov 28 14:15:33.829 INFO [stderr] 43 | pub fn eval(exp: &Exp) -> i32 { Nov 28 14:15:33.829 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 14:15:33.829 INFO [stderr] Nov 28 14:15:33.829 INFO [stderr] warning: method is never used: `numerator` Nov 28 14:15:33.829 INFO [stderr] --> src/custom_types/rational.rs:26:5 Nov 28 14:15:33.829 INFO [stderr] | Nov 28 14:15:33.829 INFO [stderr] 26 | pub fn numerator(&self) -> i32 { Nov 28 14:15:33.830 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 14:15:33.830 INFO [stderr] Nov 28 14:15:33.830 INFO [stderr] warning: method is never used: `denominator` Nov 28 14:15:33.830 INFO [stderr] --> src/custom_types/rational.rs:30:5 Nov 28 14:15:33.830 INFO [stderr] | Nov 28 14:15:33.830 INFO [stderr] 30 | pub fn denominator(&self) -> i32 { Nov 28 14:15:33.830 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 14:15:33.830 INFO [stderr] Nov 28 14:15:33.830 INFO [stderr] warning: method is never used: `from` Nov 28 14:15:33.830 INFO [stderr] --> src/custom_types/rational.rs:35:5 Nov 28 14:15:33.830 INFO [stderr] | Nov 28 14:15:33.830 INFO [stderr] 35 | pub fn from(num: i32) -> Rational { Nov 28 14:15:33.830 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 14:15:33.830 INFO [stderr] Nov 28 14:15:33.830 INFO [stderr] warning: function is never used: `sum` Nov 28 14:15:33.830 INFO [stderr] --> src/functions/functions.rs:1:1 Nov 28 14:15:33.830 INFO [stderr] | Nov 28 14:15:33.830 INFO [stderr] 1 | fn sum(a: i32, b: i32) -> i32 { Nov 28 14:15:33.830 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 14:15:33.830 INFO [stderr] Nov 28 14:15:33.830 INFO [stderr] warning: variant is never constructed: `DividedByZero` Nov 28 14:15:33.830 INFO [stderr] --> src/functions/functions.rs:7:5 Nov 28 14:15:33.830 INFO [stderr] | Nov 28 14:15:33.830 INFO [stderr] 7 | DividedByZero, Nov 28 14:15:33.830 INFO [stderr] | ^^^^^^^^^^^^^ Nov 28 14:15:33.830 INFO [stderr] Nov 28 14:15:33.830 INFO [stderr] warning: function is never used: `div` Nov 28 14:15:33.830 INFO [stderr] --> src/functions/functions.rs:10:1 Nov 28 14:15:33.830 INFO [stderr] | Nov 28 14:15:33.830 INFO [stderr] 10 | fn div(a: i32, b: i32) -> Result { Nov 28 14:15:33.830 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 14:15:33.830 INFO [stderr] Nov 28 14:15:33.830 INFO [stderr] warning: function is never used: `fib` Nov 28 14:15:33.830 INFO [stderr] --> src/functions/functions.rs:18:1 Nov 28 14:15:33.830 INFO [stderr] | Nov 28 14:15:33.830 INFO [stderr] 18 | pub fn fib(n: i32) -> i32 { Nov 28 14:15:33.830 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 14:15:33.830 INFO [stderr] Nov 28 14:15:33.830 INFO [stderr] warning: function is never used: `max` Nov 28 14:15:33.830 INFO [stderr] --> src/functions/functions.rs:28:1 Nov 28 14:15:33.830 INFO [stderr] | Nov 28 14:15:33.830 INFO [stderr] 28 | / fn max(a: T, b: T) -> T Nov 28 14:15:33.830 INFO [stderr] 29 | | where Nov 28 14:15:33.830 INFO [stderr] 30 | | T: PartialOrd, Nov 28 14:15:33.830 INFO [stderr] 31 | | { Nov 28 14:15:33.830 INFO [stderr] ... | Nov 28 14:15:33.830 INFO [stderr] 36 | | } Nov 28 14:15:33.830 INFO [stderr] 37 | | } Nov 28 14:15:33.830 INFO [stderr] | |_^ Nov 28 14:15:33.830 INFO [stderr] Nov 28 14:15:33.830 INFO [stderr] warning: function is never used: `hello` Nov 28 14:15:33.830 INFO [stderr] --> src/primitive_types/strings.rs:2:1 Nov 28 14:15:33.830 INFO [stderr] | Nov 28 14:15:33.830 INFO [stderr] 2 | fn hello(name: &str) -> String { Nov 28 14:15:33.830 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 14:15:33.830 INFO [stderr] Nov 28 14:15:33.838 INFO [stderr] warning: the `d:` in this pattern is redundant Nov 28 14:15:33.838 INFO [stderr] --> src/custom_types/rational.rs:80:30 Nov 28 14:15:33.838 INFO [stderr] | Nov 28 14:15:33.838 INFO [stderr] 80 | let Rational { n: c, d: d } = other; Nov 28 14:15:33.838 INFO [stderr] | --^^ Nov 28 14:15:33.838 INFO [stderr] | | Nov 28 14:15:33.838 INFO [stderr] | help: remove this Nov 28 14:15:33.838 INFO [stderr] | Nov 28 14:15:33.838 INFO [stderr] = note: #[warn(non_shorthand_field_patterns)] on by default Nov 28 14:15:33.838 INFO [stderr] Nov 28 14:15:34.136 INFO [stderr] warning: the `d:` in this pattern is redundant Nov 28 14:15:34.136 INFO [stderr] --> src/custom_types/rational.rs:80:30 Nov 28 14:15:34.136 INFO [stderr] | Nov 28 14:15:34.136 INFO [stderr] 80 | let Rational { n: c, d: d } = other; Nov 28 14:15:34.136 INFO [stderr] | --^^ Nov 28 14:15:34.136 INFO [stderr] | | Nov 28 14:15:34.136 INFO [stderr] | help: remove this Nov 28 14:15:34.136 INFO [stderr] | Nov 28 14:15:34.136 INFO [stderr] = note: #[warn(non_shorthand_field_patterns)] on by default Nov 28 14:15:34.136 INFO [stderr] Nov 28 14:15:34.172 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.12s Nov 28 14:15:34.176 INFO [stderr] su: No module specific data is present Nov 28 14:15:35.284 INFO running `"docker" "inspect" "5455d2c4af14a2394eaf32f5fb173d8a558c59f47ab5c7cb2cb58c183103aeec"` Nov 28 14:15:35.494 INFO running `"docker" "rm" "-f" "5455d2c4af14a2394eaf32f5fb173d8a558c59f47ab5c7cb2cb58c183103aeec"` Nov 28 14:15:35.768 INFO [stdout] 5455d2c4af14a2394eaf32f5fb173d8a558c59f47ab5c7cb2cb58c183103aeec