[INFO] cloning repository https://github.com/mh-alahdadian/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mh-alahdadian/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmh-alahdadian%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmh-alahdadian%2Frust-learn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5358a56d34c6143fe534467e5122dfc18035ff93 [INFO] testing mh-alahdadian/rust-learn against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmh-alahdadian%2Frust-learn" "/workspace/builds/worker-64/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-64/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mh-alahdadian/rust-learn on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mh-alahdadian/rust-learn [INFO] finished tweaking git repo https://github.com/mh-alahdadian/rust-learn [INFO] tweaked toml for git repo https://github.com/mh-alahdadian/rust-learn written to /workspace/builds/worker-64/source/Cargo.toml [INFO] crate git repo https://github.com/mh-alahdadian/rust-learn already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 663c947b99bdcb08459a0d7e6725eaf5d3942f40aa4ad90145a4aede833383b0 [INFO] running `Command { std: "docker" "start" "-a" "663c947b99bdcb08459a0d7e6725eaf5d3942f40aa4ad90145a4aede833383b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "663c947b99bdcb08459a0d7e6725eaf5d3942f40aa4ad90145a4aede833383b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "663c947b99bdcb08459a0d7e6725eaf5d3942f40aa4ad90145a4aede833383b0", kill_on_drop: false }` [INFO] [stdout] 663c947b99bdcb08459a0d7e6725eaf5d3942f40aa4ad90145a4aede833383b0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 98696bb2071b317cb46370a54ab33d04702393b720d0ebfebeed1b6217f813ee [INFO] running `Command { std: "docker" "start" "-a" "98696bb2071b317cb46370a54ab33d04702393b720d0ebfebeed1b6217f813ee", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling futures-io v0.3.21 [INFO] [stderr] Compiling pin-project-lite v0.2.8 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling cache-padded v1.2.0 [INFO] [stderr] Compiling event-listener v2.5.2 [INFO] [stderr] Compiling parking v2.0.0 [INFO] [stderr] Compiling waker-fn v1.1.0 [INFO] [stderr] Compiling fastrand v1.7.0 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling once_cell v1.9.0 [INFO] [stderr] Compiling async-task v4.1.0 [INFO] [stderr] Compiling futures-sink v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling gimli v0.26.1 [INFO] [stderr] Compiling atomic-waker v1.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Compiling rustc-demangle v0.1.21 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.8 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling concurrent-queue v1.2.2 [INFO] [stderr] Compiling async-mutex v1.4.0 [INFO] [stderr] Compiling async-lock v2.5.0 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling backtrace v0.3.64 [INFO] [stderr] Compiling async-channel v1.6.1 [INFO] [stderr] Compiling addr2line v0.17.0 [INFO] [stderr] Compiling futures-lite v1.12.0 [INFO] [stderr] Compiling object v0.27.1 [INFO] [stderr] Compiling getrandom v0.2.5 [INFO] [stderr] Compiling socket2 v0.4.4 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling blocking v1.1.0 [INFO] [stderr] Compiling async-executor v1.4.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling ctor v0.1.21 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Compiling polling v2.2.0 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling async-io v1.6.0 [INFO] [stderr] Compiling async-global-executor v2.0.3 [INFO] [stderr] Compiling async-std v1.10.0 [INFO] [stderr] Compiling futures-executor v0.3.21 [INFO] [stderr] Compiling futures v0.3.21 [INFO] [stderr] Compiling learn-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 32s [INFO] running `Command { std: "docker" "inspect" "98696bb2071b317cb46370a54ab33d04702393b720d0ebfebeed1b6217f813ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98696bb2071b317cb46370a54ab33d04702393b720d0ebfebeed1b6217f813ee", kill_on_drop: false }` [INFO] [stdout] 98696bb2071b317cb46370a54ab33d04702393b720d0ebfebeed1b6217f813ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b1e9bdce3f6cf748022c26655e9f82abfa67c00892d3c6901addcc7d9fc2a7d3 [INFO] running `Command { std: "docker" "start" "-a" "b1e9bdce3f6cf748022c26655e9f82abfa67c00892d3c6901addcc7d9fc2a7d3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling learn-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: identifier contains uncommon Unicode codepoints [INFO] [stdout] --> tests/post.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | ـ => "", [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(uncommon_codepoints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ـ` [INFO] [stdout] --> tests/post.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | ـ => "", [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_ـ` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `A` [INFO] [stdout] --> tests/impls.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | struct A {} [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `Page1` should have a snake case name [INFO] [stdout] --> tests/impls.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | mod Page1 { [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `page1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `Page2` should have a snake case name [INFO] [stdout] --> tests/impls.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | mod Page2 { [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `page2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> tests/var_refs.rs:35:14 [INFO] [stdout] | [INFO] [stdout] 35 | for (i, &item) in bytes.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s` is never read [INFO] [stdout] --> tests/var_refs.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | s = &mut String::from("world2"); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> tests/var_refs.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | let x = 5; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> tests/var_refs.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 123 | let x: &str = &**m; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> tests/var_refs.rs:124:9 [INFO] [stdout] | [INFO] [stdout] 124 | let x: &str = &*m; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `first_word2` [INFO] [stdout] --> tests/var_refs.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | fn first_word2<'a, 'b>(s: &'a String) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 18.08s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/learn_rust-92474986316aca4d) [INFO] [stderr] Executable tests/concurrent.rs (/opt/rustwide/target/debug/deps/concurrent-057da6083fbc6e12) [INFO] [stderr] Executable tests/deref.rs (/opt/rustwide/target/debug/deps/deref-91da138f13040770) [INFO] [stderr] Executable tests/enums.rs (/opt/rustwide/target/debug/deps/enums-5fead54dc2ee5034) [INFO] [stderr] Executable tests/impls.rs (/opt/rustwide/target/debug/deps/impls-67aa9e9b1ada6e35) [INFO] [stderr] Executable tests/main.rs (/opt/rustwide/target/debug/deps/main-2eea553cd6ea973a) [INFO] [stderr] Executable tests/pattern.rs (/opt/rustwide/target/debug/deps/pattern-ddbf31b3825fa534) [INFO] [stderr] Executable tests/post.rs (/opt/rustwide/target/debug/deps/post-1845a4aae985eb27) [INFO] [stderr] Executable tests/server.rs (/opt/rustwide/target/debug/deps/server-cf1a4018f5b255ed) [INFO] [stderr] Executable tests/traits.rs (/opt/rustwide/target/debug/deps/traits-5a8d594d99c7b5cf) [INFO] [stderr] Executable tests/var_refs.rs (/opt/rustwide/target/debug/deps/var_refs-1ce493a284ead38f) [INFO] running `Command { std: "docker" "inspect" "b1e9bdce3f6cf748022c26655e9f82abfa67c00892d3c6901addcc7d9fc2a7d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1e9bdce3f6cf748022c26655e9f82abfa67c00892d3c6901addcc7d9fc2a7d3", kill_on_drop: false }` [INFO] [stdout] b1e9bdce3f6cf748022c26655e9f82abfa67c00892d3c6901addcc7d9fc2a7d3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ad8cfff459ba09547034f4d289a8d73e260e9e00e811545047cc4f7ec0dec033 [INFO] running `Command { std: "docker" "start" "-a" "ad8cfff459ba09547034f4d289a8d73e260e9e00e811545047cc4f7ec0dec033", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: struct is never constructed: `A` [INFO] [stderr] --> tests/impls.rs:23:12 [INFO] [stderr] | [INFO] [stderr] 23 | struct A {} [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: module `Page1` should have a snake case name [INFO] [stderr] --> tests/impls.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | mod Page1 { [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `page1` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: module `Page2` should have a snake case name [INFO] [stderr] --> tests/impls.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | mod Page2 { [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `page2` [INFO] [stderr] [INFO] [stderr] warning: identifier contains uncommon Unicode codepoints [INFO] [stderr] --> tests/post.rs:25:13 [INFO] [stderr] | [INFO] [stderr] 25 | ـ => "", [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(uncommon_codepoints)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ـ` [INFO] [stderr] --> tests/post.rs:25:13 [INFO] [stderr] | [INFO] [stderr] 25 | ـ => "", [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_ـ` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> tests/var_refs.rs:35:14 [INFO] [stderr] | [INFO] [stderr] 35 | for (i, &item) in bytes.iter().enumerate() { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `s` is never read [INFO] [stderr] --> tests/var_refs.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | s = &mut String::from("world2"); [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> tests/var_refs.rs:75:9 [INFO] [stderr] | [INFO] [stderr] 75 | let x = 5; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> tests/var_refs.rs:123:9 [INFO] [stderr] | [INFO] [stderr] 123 | let x: &str = &**m; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> tests/var_refs.rs:124:9 [INFO] [stderr] | [INFO] [stderr] 124 | let x: &str = &*m; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `first_word2` [INFO] [stderr] --> tests/var_refs.rs:42:8 [INFO] [stderr] | [INFO] [stderr] 42 | fn first_word2<'a, 'b>(s: &'a String) -> &'a str { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `learn-rust` (test "impls") generated 3 warnings [INFO] [stderr] warning: `learn-rust` (test "post") generated 2 warnings [INFO] [stderr] warning: `learn-rust` (test "var_refs") generated 6 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.93s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/learn_rust-92474986316aca4d) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/concurrent.rs (/opt/rustwide/target/debug/deps/concurrent-057da6083fbc6e12) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test atomic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s [INFO] [stdout] [INFO] [stderr] Running tests/deref.rs (/opt/rustwide/target/debug/deps/deref-91da138f13040770) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test auto_deref_student ... ok [INFO] [stderr] Running tests/enums.rs (/opt/rustwide/target/debug/deps/enums-5fead54dc2ee5034) [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test option::unwrap2 ... ok [INFO] [stderr] error: test failed, to rerun pass '--test enums' [INFO] [stdout] test result::unwrap ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- result::unwrap stdout ---- [INFO] [stdout] thread 'result::unwrap' panicked at 'called `Result::unwrap()` on an `Err` value: "5"', tests/enums.rs:9:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55b3c7d0918d - std::backtrace_rs::backtrace::libunwind::trace::ha359b7f0090e2792 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55b3c7d0918d - std::backtrace_rs::backtrace::trace_unsynchronized::h0584631f25c1d70e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55b3c7d0918d - std::sys_common::backtrace::_print_fmt::hdadffd97d279ff14 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x55b3c7d0918d - ::fmt::h26f189e611080a74 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x55b3c7d2ba9c - core::fmt::write::hfb5d11dfe037e8b7 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/fmt/mod.rs:1194:17 [INFO] [stdout] 5: 0x55b3c7d05b51 - std::io::Write::write_fmt::h6a24ec64406df9e2 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/io/mod.rs:1655:15 [INFO] [stdout] 6: 0x55b3c7d0aed5 - std::sys_common::backtrace::_print::h7a0e44402913ba60 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x55b3c7d0aed5 - std::sys_common::backtrace::print::h9767dc455a84e728 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x55b3c7d0aed5 - std::panicking::default_hook::{{closure}}::h60afd6c8b12988ad [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x55b3c7d0abc4 - std::panicking::default_hook::ha7b9bac6813f9d21 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x55b3c7d0b422 - std::panicking::rust_panic_with_hook::h7b117a162a6f8664 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x55b3c7d0b307 - std::panicking::begin_panic_handler::{{closure}}::h346750923c608600 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x55b3c7d09644 - std::sys_common::backtrace::__rust_end_short_backtrace::h768c56c6a0c055c0 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x55b3c7d0b039 - rust_begin_unwind [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x55b3c7cad3d3 - core::panicking::panic_fmt::h5c41cb2fa118fdbc [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:143:14 [INFO] [stdout] 15: 0x55b3c7cad4c3 - core::result::unwrap_failed::h6bc7b183ec719494 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/result.rs:1785:5 [INFO] [stdout] 16: 0x55b3c7caef2c - core::result::Result::unwrap::h93385c367bd9eb72 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/result.rs:1078:23 [INFO] [stdout] 17: 0x55b3c7caf1d7 - enums::result::unwrap::hd8e40fd1e00ebe73 [INFO] [stdout] at /opt/rustwide/workdir/tests/enums.rs:9:17 [INFO] [stdout] 18: 0x55b3c7caf19a - enums::result::unwrap::{{closure}}::h35da77998bbded66 [INFO] [stdout] at /opt/rustwide/workdir/tests/enums.rs:8:5 [INFO] [stdout] 19: 0x55b3c7cae24e - core::ops::function::FnOnce::call_once::h30220b16479ecd8d [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x55b3c7ce4ef3 - core::ops::function::FnOnce::call_once::h018fc248431ce8de [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x55b3c7ce4ef3 - test::__rust_begin_short_backtrace::h293b982b6069d6e3 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:574:5 [INFO] [stdout] 22: 0x55b3c7ce3ca9 - as core::ops::function::FnOnce>::call_once::h4fc1be1a762c7a46 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 23: 0x55b3c7ce3ca9 - as core::ops::function::FnOnce<()>>::call_once::hd44623ec51b9e897 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x55b3c7ce3ca9 - std::panicking::try::do_call::ha8cfa4b025f5b832 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x55b3c7ce3ca9 - std::panicking::try::h664f75e41c112145 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x55b3c7ce3ca9 - std::panic::catch_unwind::h4932ec05cd60558e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x55b3c7ce3ca9 - test::run_test_in_process::ha14a47756671755c [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:597:18 [INFO] [stdout] 28: 0x55b3c7ce3ca9 - test::run_test::run_test_inner::{{closure}}::h0ec9e37c8f67b62d [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:491:39 [INFO] [stdout] 29: 0x55b3c7cafe5e - test::run_test::run_test_inner::{{closure}}::hd9d2e7f26d4f59e6 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:518:37 [INFO] [stdout] 30: 0x55b3c7cafe5e - std::sys_common::backtrace::__rust_begin_short_backtrace::h41c0a39fac5123f8 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x55b3c7cb53c8 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h69a02ca0bebb6eeb [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:498:17 [INFO] [stdout] 32: 0x55b3c7cb53c8 - as core::ops::function::FnOnce<()>>::call_once::hdd05632920ce689b [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x55b3c7cb53c8 - std::panicking::try::do_call::hb4947142729b90fd [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x55b3c7cb53c8 - std::panicking::try::h15a7e9b8394e6878 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x55b3c7cb53c8 - std::panic::catch_unwind::hbd3f4a3f9df49b85 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x55b3c7cb53c8 - std::thread::Builder::spawn_unchecked_::{{closure}}::h880b5d5f1b9799f4 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:497:30 [INFO] [stdout] 37: 0x55b3c7cb53c8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h304d5eaf401f5061 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x55b3c7d0fc33 - as core::ops::function::FnOnce>::call_once::hdba7f2afed0c35b3 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 39: 0x55b3c7d0fc33 - as core::ops::function::FnOnce>::call_once::h38b0832765bf7961 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 40: 0x55b3c7d0fc33 - std::sys::unix::thread::Thread::new::thread_start::h70236dc17753425e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7fda587df609 - start_thread [INFO] [stdout] 42: 0x7fda585af163 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] result::unwrap [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ad8cfff459ba09547034f4d289a8d73e260e9e00e811545047cc4f7ec0dec033", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad8cfff459ba09547034f4d289a8d73e260e9e00e811545047cc4f7ec0dec033", kill_on_drop: false }` [INFO] [stdout] ad8cfff459ba09547034f4d289a8d73e260e9e00e811545047cc4f7ec0dec033