[INFO] cloning repository https://github.com/varun24143/rust_dsa_test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/varun24143/rust_dsa_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarun24143%2Frust_dsa_test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarun24143%2Frust_dsa_test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 531b5900a874c16b690c872b00080cf766cd745a [INFO] testing varun24143/rust_dsa_test against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarun24143%2Frust_dsa_test" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/varun24143/rust_dsa_test on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/varun24143/rust_dsa_test [INFO] finished tweaking git repo https://github.com/varun24143/rust_dsa_test [INFO] tweaked toml for git repo https://github.com/varun24143/rust_dsa_test written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/varun24143/rust_dsa_test already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3f61ff923c6e8b834a0324b013086bb1e4d6a8ce56806f841a944c2b179c7177 [INFO] running `Command { std: "docker" "start" "-a" "3f61ff923c6e8b834a0324b013086bb1e4d6a8ce56806f841a944c2b179c7177", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f61ff923c6e8b834a0324b013086bb1e4d6a8ce56806f841a944c2b179c7177", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f61ff923c6e8b834a0324b013086bb1e4d6a8ce56806f841a944c2b179c7177", kill_on_drop: false }` [INFO] [stdout] 3f61ff923c6e8b834a0324b013086bb1e4d6a8ce56806f841a944c2b179c7177 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 82d707898093b2e9ee72d93d4b6be4f05918deddf84f2bb727521dcd4da04a38 [INFO] running `Command { std: "docker" "start" "-a" "82d707898093b2e9ee72d93d4b6be4f05918deddf84f2bb727521dcd4da04a38", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling rust_dsa v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/memtesting.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/tests.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::memtesting::MyStruct` [INFO] [stdout] --> src/tests.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | use crate::memtesting::MyStruct; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::conmut::*` [INFO] [stdout] --> src/tests.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use crate::conmut::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::random` [INFO] [stdout] --> src/skiplists.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use rand::random; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::conmut::*` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::conmut::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::transactionlog::*` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::transactionlog::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::tests::*` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use crate::tests::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::skiplists::*` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use crate::skiplists::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add` [INFO] [stdout] --> src/conmut.rs:118:8 [INFO] [stdout] | [INFO] [stdout] 118 | pub fn add(a: i32, b: i32) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `a` [INFO] [stdout] --> src/memtesting.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | a: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `b` [INFO] [stdout] --> src/memtesting.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | b: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `c` [INFO] [stdout] --> src/memtesting.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | c: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `BetterTransactionLog` [INFO] [stdout] --> src/transactionlog.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct BetterTransactionLog { // Revised as per doubly linked list [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/transactionlog.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn new(value: String) -> Rc> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new_empty` [INFO] [stdout] --> src/transactionlog.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn new_empty() -> BetterTransactionLog { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `append` [INFO] [stdout] --> src/transactionlog.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn append(&mut self, value: String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/transactionlog.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/transactionlog.rs:75:12 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn new(start_at: SingleLink) -> ListIterator { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add` [INFO] [stdout] --> src/tests.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn add(a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Link` [INFO] [stdout] --> src/tests.rs:25:1 [INFO] [stdout] | [INFO] [stdout] 25 | type Link = Rc>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/skiplists.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | fn new(links: Vec, offset: u64, command: String) -> Rc> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new_empty` [INFO] [stdout] --> src/skiplists.rs:55:12 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn new_empty(max_level: usize) -> BestTransactionLog { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_level` [INFO] [stdout] --> src/skiplists.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn get_level(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `append` [INFO] [stdout] --> src/skiplists.rs:72:12 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn append(&mut self, offset: u64, value: String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `find` [INFO] [stdout] --> src/skiplists.rs:101:12 [INFO] [stdout] | [INFO] [stdout] 101 | pub fn find(&self, offset: u64) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | fn new(is_open: bool) -> Door { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `Sanitize` should have a snake case name [INFO] [stdout] --> src/conmut.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn Sanitize(s: String) -> String { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sanitize` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 28 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.47s [INFO] running `Command { std: "docker" "inspect" "82d707898093b2e9ee72d93d4b6be4f05918deddf84f2bb727521dcd4da04a38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82d707898093b2e9ee72d93d4b6be4f05918deddf84f2bb727521dcd4da04a38", kill_on_drop: false }` [INFO] [stdout] 82d707898093b2e9ee72d93d4b6be4f05918deddf84f2bb727521dcd4da04a38 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 36ba4056cbd766c6fa68e24465d54c2d67eb95a2c5320d10bbc6aad501df56ef [INFO] running `Command { std: "docker" "start" "-a" "36ba4056cbd766c6fa68e24465d54c2d67eb95a2c5320d10bbc6aad501df56ef", kill_on_drop: false }` [INFO] [stderr] Compiling rust_dsa v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/memtesting.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::random` [INFO] [stdout] --> src/skiplists.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use rand::random; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::conmut::*` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::conmut::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::transactionlog::*` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::transactionlog::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::tests::*` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use crate::tests::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::skiplists::*` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use crate::skiplists::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add` [INFO] [stdout] --> src/conmut.rs:118:8 [INFO] [stdout] | [INFO] [stdout] 118 | pub fn add(a: i32, b: i32) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `a` [INFO] [stdout] --> src/memtesting.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | a: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `b` [INFO] [stdout] --> src/memtesting.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | b: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `c` [INFO] [stdout] --> src/memtesting.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | c: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `BetterTransactionLog` [INFO] [stdout] --> src/transactionlog.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct BetterTransactionLog { // Revised as per doubly linked list [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/transactionlog.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn new(value: String) -> Rc> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new_empty` [INFO] [stdout] --> src/transactionlog.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn new_empty() -> BetterTransactionLog { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `append` [INFO] [stdout] --> src/transactionlog.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn append(&mut self, value: String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/transactionlog.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/transactionlog.rs:75:12 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn new(start_at: SingleLink) -> ListIterator { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Link` [INFO] [stdout] --> src/tests.rs:25:1 [INFO] [stdout] | [INFO] [stdout] 25 | type Link = Rc>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/skiplists.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | fn new(links: Vec, offset: u64, command: String) -> Rc> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new_empty` [INFO] [stdout] --> src/skiplists.rs:55:12 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn new_empty(max_level: usize) -> BestTransactionLog { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_level` [INFO] [stdout] --> src/skiplists.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn get_level(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `append` [INFO] [stdout] --> src/skiplists.rs:72:12 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn append(&mut self, offset: u64, value: String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `find` [INFO] [stdout] --> src/skiplists.rs:101:12 [INFO] [stdout] | [INFO] [stdout] 101 | pub fn find(&self, offset: u64) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | fn new(is_open: bool) -> Door { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `Sanitize` should have a snake case name [INFO] [stdout] --> src/conmut.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn Sanitize(s: String) -> String { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sanitize` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 24 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `Command { std: "docker" "inspect" "36ba4056cbd766c6fa68e24465d54c2d67eb95a2c5320d10bbc6aad501df56ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36ba4056cbd766c6fa68e24465d54c2d67eb95a2c5320d10bbc6aad501df56ef", kill_on_drop: false }` [INFO] [stdout] 36ba4056cbd766c6fa68e24465d54c2d67eb95a2c5320d10bbc6aad501df56ef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b96c66d1d644e099b153b9fc791a3d2a38c0f0e3f99f176218a9112498508a3d [INFO] running `Command { std: "docker" "start" "-a" "b96c66d1d644e099b153b9fc791a3d2a38c0f0e3f99f176218a9112498508a3d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `std::mem` [INFO] [stderr] --> src/memtesting.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::mem; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::random` [INFO] [stderr] --> src/skiplists.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use rand::random; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::conmut::*` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use crate::conmut::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::transactionlog::*` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use crate::transactionlog::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::tests::*` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use crate::tests::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::skiplists::*` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use crate::skiplists::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `add` [INFO] [stderr] --> src/conmut.rs:118:8 [INFO] [stderr] | [INFO] [stderr] 118 | pub fn add(a: i32, b: i32) -> Result { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `a` [INFO] [stderr] --> src/memtesting.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | a: u8, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `b` [INFO] [stderr] --> src/memtesting.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | b: u8, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `c` [INFO] [stderr] --> src/memtesting.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | c: u8, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `BetterTransactionLog` [INFO] [stderr] --> src/transactionlog.rs:14:12 [INFO] [stderr] | [INFO] [stderr] 14 | pub struct BetterTransactionLog { // Revised as per doubly linked list [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/transactionlog.rs:28:12 [INFO] [stderr] | [INFO] [stderr] 28 | pub fn new(value: String) -> Rc> { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new_empty` [INFO] [stderr] --> src/transactionlog.rs:40:12 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn new_empty() -> BetterTransactionLog { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `append` [INFO] [stderr] --> src/transactionlog.rs:48:12 [INFO] [stderr] | [INFO] [stderr] 48 | pub fn append(&mut self, value: String) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `pop` [INFO] [stderr] --> src/transactionlog.rs:57:12 [INFO] [stderr] | [INFO] [stderr] 57 | pub fn pop(&mut self) -> Option { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/transactionlog.rs:75:12 [INFO] [stderr] | [INFO] [stderr] 75 | pub fn new(start_at: SingleLink) -> ListIterator { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `Link` [INFO] [stderr] --> src/tests.rs:25:1 [INFO] [stderr] | [INFO] [stderr] 25 | type Link = Rc>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/skiplists.rs:26:8 [INFO] [stderr] | [INFO] [stderr] 26 | fn new(links: Vec, offset: u64, command: String) -> Rc> { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new_empty` [INFO] [stderr] --> src/skiplists.rs:55:12 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn new_empty(max_level: usize) -> BestTransactionLog { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_level` [INFO] [stderr] --> src/skiplists.rs:64:12 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn get_level(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `append` [INFO] [stderr] --> src/skiplists.rs:72:12 [INFO] [stderr] | [INFO] [stderr] 72 | pub fn append(&mut self, offset: u64, value: String) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `find` [INFO] [stderr] --> src/skiplists.rs:101:12 [INFO] [stderr] | [INFO] [stderr] 101 | pub fn find(&self, offset: u64) -> Option { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/main.rs:19:8 [INFO] [stderr] | [INFO] [stderr] 19 | fn new(is_open: bool) -> Door { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function `Sanitize` should have a snake case name [INFO] [stderr] --> src/conmut.rs:25:8 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn Sanitize(s: String) -> String { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sanitize` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rust_dsa` (bin "rust_dsa" test) generated 24 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.47s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_dsa-ea3af7820ff963fc) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::tests::test_add ... ok [INFO] [stdout] test tests::tests::test_string_sanity ... ok [INFO] [stdout] test tests::tests::test_struct_size ... ok [INFO] [stdout] test tests::tests::test_bad_add ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::tests::test_bad_add stdout ---- [INFO] [stdout] thread 'tests::tests::test_bad_add' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `-1`, [INFO] [stdout] right: `3`', src/tests.rs:42:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5560f17983ac - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x5560f17983ac - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5560f17983ac - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5560f17983ac - ::fmt::h9a78218788c14e18 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x5560f17bb7ec - core::fmt::write::h3381b3176fe2b3d3 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17 [INFO] [stdout] 5: 0x5560f1794ff5 - std::io::Write::write_fmt::hb6383f24fe197d3c [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15 [INFO] [stdout] 6: 0x5560f179a060 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x5560f179a060 - std::sys_common::backtrace::print::hb170c60b542377ad [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x5560f179a060 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50 [INFO] [stdout] 9: 0x5560f1799c52 - std::panicking::default_hook::h8c6c66d3f3ba6768 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:224:9 [INFO] [stdout] 10: 0x5560f179a714 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17 [INFO] [stdout] 11: 0x5560f179a1f0 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:521:13 [INFO] [stdout] 12: 0x5560f1798874 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x5560f179a159 - rust_begin_unwind [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:517:5 [INFO] [stdout] 14: 0x5560f173a661 - core::panicking::panic_fmt::hf9de31d4acbce4db [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:101:14 [INFO] [stdout] 15: 0x5560f17ba398 - core::panicking::assert_failed_inner::h62e8cb2847a6e7ec [INFO] [stdout] 16: 0x5560f174209a - core::panicking::assert_failed::h996fd5adaa62cf10 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:140:5 [INFO] [stdout] 17: 0x5560f173eff5 - rust_dsa::tests::tests::test_bad_add::h8cd2ef938d37cd10 [INFO] [stdout] at /opt/rustwide/workdir/src/tests.rs:42:9 [INFO] [stdout] 18: 0x5560f173ef5a - rust_dsa::tests::tests::test_bad_add::{{closure}}::h3ab515ade1d36d1b [INFO] [stdout] at /opt/rustwide/workdir/src/tests.rs:39:5 [INFO] [stdout] 19: 0x5560f173d9de - core::ops::function::FnOnce::call_once::ha799962f2b0dbc62 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x5560f1776d63 - core::ops::function::FnOnce::call_once::h61555a204318cc58 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x5560f1776d63 - test::__rust_begin_short_backtrace::h8331e7b1cc7a6e62 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:578:5 [INFO] [stdout] 22: 0x5560f17757e8 - as core::ops::function::FnOnce>::call_once::h98582e597fa7f145 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9 [INFO] [stdout] 23: 0x5560f17757e8 - as core::ops::function::FnOnce<()>>::call_once::h38fa7a0826ecff45 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x5560f17757e8 - std::panicking::try::do_call::h5b27d1cfffaa9f87 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40 [INFO] [stdout] 25: 0x5560f17757e8 - std::panicking::try::h86f7124b3264bcbe [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19 [INFO] [stdout] 26: 0x5560f17757e8 - std::panic::catch_unwind::h42dadf3598df7528 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14 [INFO] [stdout] 27: 0x5560f17757e8 - test::run_test_in_process::h9d4b7510f0910050 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:601:18 [INFO] [stdout] 28: 0x5560f17757e8 - test::run_test::run_test_inner::{{closure}}::h9b17f1fd181fe294 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:493:39 [INFO] [stdout] 29: 0x5560f174333e - test::run_test::run_test_inner::{{closure}}::h476f9211dfec6075 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:520:37 [INFO] [stdout] 30: 0x5560f174333e - std::sys_common::backtrace::__rust_begin_short_backtrace::h5c2db6945645950d [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 31: 0x5560f1747bd8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h791169ea9ba5492d [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:481:17 [INFO] [stdout] 32: 0x5560f1747bd8 - as core::ops::function::FnOnce<()>>::call_once::he930357ede3f4b4d [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x5560f1747bd8 - std::panicking::try::do_call::h0de4b1dd08a9aa80 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40 [INFO] [stdout] 34: 0x5560f1747bd8 - std::panicking::try::hf5b5c530df698d97 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19 [INFO] [stdout] 35: 0x5560f1747bd8 - std::panic::catch_unwind::hed97078f17dbf191 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14 [INFO] [stdout] 36: 0x5560f1747bd8 - std::thread::Builder::spawn_unchecked::{{closure}}::h2e673950929cba93 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:480:30 [INFO] [stdout] 37: 0x5560f1747bd8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8e18ddd18a52f010 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x5560f179f3c3 - as core::ops::function::FnOnce>::call_once::hbbbb32ef11ea0ad2 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9 [INFO] [stdout] 39: 0x5560f179f3c3 - as core::ops::function::FnOnce>::call_once::h3b8ef23699fc5385 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9 [INFO] [stdout] 40: 0x5560f179f3c3 - std::sys::unix::thread::Thread::new::thread_start::ha57f5cba35f709b7 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys/unix/thread.rs:106:17 [INFO] [stdout] 41: 0x7f5c20651609 - start_thread [INFO] [stdout] 42: 0x7f5c20423293 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::tests::test_bad_add [INFO] [stdout] [INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin rust_dsa' [INFO] running `Command { std: "docker" "inspect" "b96c66d1d644e099b153b9fc791a3d2a38c0f0e3f99f176218a9112498508a3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b96c66d1d644e099b153b9fc791a3d2a38c0f0e3f99f176218a9112498508a3d", kill_on_drop: false }` [INFO] [stdout] b96c66d1d644e099b153b9fc791a3d2a38c0f0e3f99f176218a9112498508a3d