[INFO] fetching crate lp-modeler 0.5.0... [INFO] testing lp-modeler-0.5.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate lp-modeler 0.5.0 into /workspace/builds/worker-99/source [INFO] validating manifest of crates.io crate lp-modeler 0.5.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lp-modeler 0.5.0 [INFO] finished tweaking crates.io crate lp-modeler 0.5.0 [INFO] tweaked toml for crates.io crate lp-modeler 0.5.0 written to /workspace/builds/worker-99/source/Cargo.toml [INFO] crate crates.io crate lp-modeler 0.5.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded sprs v0.7.1 [INFO] [stderr] Downloaded minilp v0.2.2 [INFO] [stderr] Downloaded coin_cbc v0.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a3f0a523045d94f019e02c352a250f895b93f4fea4a453b35a0e2b7f7e1540ca [INFO] running `Command { std: "docker" "start" "-a" "a3f0a523045d94f019e02c352a250f895b93f4fea4a453b35a0e2b7f7e1540ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a3f0a523045d94f019e02c352a250f895b93f4fea4a453b35a0e2b7f7e1540ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3f0a523045d94f019e02c352a250f895b93f4fea4a453b35a0e2b7f7e1540ca", kill_on_drop: false }` [INFO] [stdout] a3f0a523045d94f019e02c352a250f895b93f4fea4a453b35a0e2b7f7e1540ca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dd2f10a6985f5a5e1c84943ea743302b7b40b5e5be383ea1dcf7a3dbe486d925 [INFO] running `Command { std: "docker" "start" "-a" "dd2f10a6985f5a5e1c84943ea743302b7b40b5e5be383ea1dcf7a3dbe486d925", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling lp-modeler v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `EmptyExpr` [INFO] [stdout] --> src/dsl/variables.rs:174:5 [INFO] [stdout] | [INFO] [stdout] 174 | EmptyExpr, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/solvers/mod.rs:105:42 [INFO] [stdout] | [INFO] [stdout] 105 | assert!( is_zero( f-(i as f32)), format!("Value {} cannot be interpreted as integer.", f) ); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 105 | assert!( is_zero( f-(i as f32)), "Value {} cannot be interpreted as integer.", f ); [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.42s [INFO] running `Command { std: "docker" "inspect" "dd2f10a6985f5a5e1c84943ea743302b7b40b5e5be383ea1dcf7a3dbe486d925", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd2f10a6985f5a5e1c84943ea743302b7b40b5e5be383ea1dcf7a3dbe486d925", kill_on_drop: false }` [INFO] [stdout] dd2f10a6985f5a5e1c84943ea743302b7b40b5e5be383ea1dcf7a3dbe486d925 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 999f19ed1879f777d54e96d66cffff2299dfb42e16a0a59e6ed319aacbbe9f1c [INFO] running `Command { std: "docker" "start" "-a" "999f19ed1879f777d54e96d66cffff2299dfb42e16a0a59e6ed319aacbbe9f1c", kill_on_drop: false }` [INFO] [stdout] warning: variant is never constructed: `EmptyExpr` [INFO] [stdout] --> src/dsl/variables.rs:174:5 [INFO] [stdout] | [INFO] [stdout] 174 | EmptyExpr, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling lp-modeler v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/solvers/mod.rs:105:42 [INFO] [stdout] | [INFO] [stdout] 105 | assert!( is_zero( f-(i as f32)), format!("Value {} cannot be interpreted as integer.", f) ); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 105 | assert!( is_zero( f-(i as f32)), "Value {} cannot be interpreted as integer.", f ); [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> examples/assignment.rs:64:29 [INFO] [stdout] | [INFO] [stdout] 64 | assert!(result.is_ok(), result.unwrap_err()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 64 | assert!(result.is_ok(), "{}", result.unwrap_err()); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> tests/problems.rs:79:41 [INFO] [stdout] | [INFO] [stdout] 79 | assert!(output1.contains(expr), format!("{} is not present",expr)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 79 | assert!(output1.contains(expr), "{} is not present",expr); [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> tests/problems.rs:154:29 [INFO] [stdout] | [INFO] [stdout] 154 | assert!(result.is_ok(), result.unwrap_err()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 154 | assert!(result.is_ok(), "{}", result.unwrap_err()); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/solvers/mod.rs:105:42 [INFO] [stdout] | [INFO] [stdout] 105 | assert!( is_zero( f-(i as f32)), format!("Value {} cannot be interpreted as integer.", f) ); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 105 | assert!( is_zero( f-(i as f32)), "Value {} cannot be interpreted as integer.", f ); [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.52s [INFO] running `Command { std: "docker" "inspect" "999f19ed1879f777d54e96d66cffff2299dfb42e16a0a59e6ed319aacbbe9f1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "999f19ed1879f777d54e96d66cffff2299dfb42e16a0a59e6ed319aacbbe9f1c", kill_on_drop: false }` [INFO] [stdout] 999f19ed1879f777d54e96d66cffff2299dfb42e16a0a59e6ed319aacbbe9f1c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7e33f8ae77753ce2950665a4ca34bba4d9ea3f6c09a4fb3cbafe0cbc4476809a [INFO] running `Command { std: "docker" "start" "-a" "7e33f8ae77753ce2950665a4ca34bba4d9ea3f6c09a4fb3cbafe0cbc4476809a", kill_on_drop: false }` [INFO] [stderr] warning: variant is never constructed: `EmptyExpr` [INFO] [stderr] --> src/dsl/variables.rs:174:5 [INFO] [stderr] | [INFO] [stderr] 174 | EmptyExpr, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/solvers/mod.rs:105:42 [INFO] [stderr] | [INFO] [stderr] 105 | assert!( is_zero( f-(i as f32)), format!("Value {} cannot be interpreted as integer.", f) ); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 105 | assert!( is_zero( f-(i as f32)), "Value {} cannot be interpreted as integer.", f ); [INFO] [stderr] | -- -- [INFO] [stderr] [INFO] [stderr] warning: `lp-modeler` (lib) generated 2 warnings [INFO] [stderr] warning: `lp-modeler` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> examples/assignment.rs:64:29 [INFO] [stderr] | [INFO] [stderr] 64 | assert!(result.is_ok(), result.unwrap_err()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 64 | assert!(result.is_ok(), "{}", result.unwrap_err()); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> tests/problems.rs:79:41 [INFO] [stderr] | [INFO] [stderr] 79 | assert!(output1.contains(expr), format!("{} is not present",expr)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 79 | assert!(output1.contains(expr), "{} is not present",expr); [INFO] [stderr] | -- -- [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> tests/problems.rs:154:29 [INFO] [stderr] | [INFO] [stderr] 154 | assert!(result.is_ok(), result.unwrap_err()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 154 | assert!(result.is_ok(), "{}", result.unwrap_err()); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `lp-modeler` (example "assignment") generated 1 warning [INFO] [stderr] warning: `lp-modeler` (test "problems") generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/lp_modeler-07b04221e6e5d78e) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test dsl::variables::tests::expressions_creation ... ok [INFO] [stdout] test dsl::variables::tests::simplifications ... ok [INFO] [stdout] test dsl::variables::tests::test_quotations ... ok [INFO] [stdout] test dsl::variables::tests::simplify_deep_sum ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.44s [INFO] [stdout] [INFO] [stderr] Running tests/expression.rs (/opt/rustwide/target/debug/deps/expression-b4a846eefa9ea087) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test expression_with_lp_sum ... ok [INFO] [stdout] test associativity ... ok [INFO] [stdout] test macros ... ok [INFO] [stdout] test trivial_rules ... ok [INFO] [stdout] test distributivity ... ok [INFO] [stdout] test literal_first_with_accumulation ... ok [INFO] [stdout] test expressions_to_lp_file_format ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/problems.rs (/opt/rustwide/target/debug/deps/problems-f3392cb780599730) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test test_full_example ... ok [INFO] [stdout] test test_readme_example_1 ... FAILED [INFO] [stdout] test test_readme_example_2 ... FAILED [INFO] [stderr] error: test failed, to rerun pass '--test problems' [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test_readme_example_1 stdout ---- [INFO] [stdout] Read-only file system (os error 30) [INFO] [stdout] thread 'test_readme_example_1' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `"\\ One Problem\n\nMaximize\n obj: 10 a + 20 b\n\nSubject To\n c1: 500 a + 1200 b + 1500 c <= 10000\n c2: a - b <= 0\n\n"`, [INFO] [stdout] right: `"\\ One Problem\n\nMaximize\n obj: 10 a + 20 b\n\nSubject To\n c1: 500 a + 1200 b + 1500 c <= 10000\n c2: a - b <= -0\n\n"`', tests/problems.rs:49:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5629391e93b0 - std::backtrace_rs::backtrace::libunwind::trace::ha0ad43e8a952bfe7 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x5629391e93b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h6830419c0c4130dc [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5629391e93b0 - std::sys_common::backtrace::_print_fmt::h8f3516631ffa1ef5 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5629391e93b0 - ::fmt::he1640d5f0d93f618 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x56293920d9ac - core::fmt::write::h88012e1f01caeebf [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/fmt/mod.rs:1115:17 [INFO] [stdout] 5: 0x5629391e6365 - std::io::Write::write_fmt::h7728c39ea5632753 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/io/mod.rs:1665:15 [INFO] [stdout] 6: 0x5629391eb51b - std::sys_common::backtrace::_print::ha1f00492f406a015 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x5629391eb51b - std::sys_common::backtrace::print::hd54561b13feb6af3 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x5629391eb51b - std::panicking::default_hook::{{closure}}::h84fe124cd0864662 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x5629391eb02c - std::panicking::default_hook::h5a8e74a76ce290a7 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:222:9 [INFO] [stdout] 10: 0x5629391ebbe4 - std::panicking::rust_panic_with_hook::h67c812a4fe9d4c91 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x5629391eb6c7 - std::panicking::begin_panic_handler::{{closure}}::h33f9c1b96af300d7 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x5629391e98ac - std::sys_common::backtrace::__rust_end_short_backtrace::h51bae64be5921f0e [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x5629391eb629 - rust_begin_unwind [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x562939119441 - core::panicking::panic_fmt::h12a3a3c256485fca [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x56293920b7b8 - core::panicking::assert_failed_inner::hd10540743cd0e11a [INFO] [stdout] 16: 0x56293912280e - core::panicking::assert_failed::h787fd9f8b1347a42 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/panicking.rs:117:5 [INFO] [stdout] 17: 0x562939123474 - problems::test_readme_example_1::h9b9f7f479e407f69 [INFO] [stdout] at /opt/rustwide/workdir/tests/problems.rs:49:5 [INFO] [stdout] 18: 0x56293912299a - problems::test_readme_example_1::{{closure}}::h44ffb73d2b9ba1f7 [INFO] [stdout] at /opt/rustwide/workdir/tests/problems.rs:12:1 [INFO] [stdout] 19: 0x562939120f1e - core::ops::function::FnOnce::call_once::h09a5ffd0a9516a14 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x562939160093 - core::ops::function::FnOnce::call_once::h5aba9a5d361d6c79 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x562939160093 - test::__rust_begin_short_backtrace::h705bb53b2b1d45e6 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:578:5 [INFO] [stdout] 22: 0x56293915eb48 - as core::ops::function::FnOnce>::call_once::ha20f614d7c0b2b6d [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 23: 0x56293915eb48 - as core::ops::function::FnOnce<()>>::call_once::hf02f19eeb64ceabd [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:347:9 [INFO] [stdout] 24: 0x56293915eb48 - std::panicking::try::do_call::h4bfab65eb3b4b036 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40 [INFO] [stdout] 25: 0x56293915eb48 - std::panicking::try::h6613a46a6d2b6f88 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19 [INFO] [stdout] 26: 0x56293915eb48 - std::panic::catch_unwind::h9f07b17b60991273 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14 [INFO] [stdout] 27: 0x56293915eb48 - test::run_test_in_process::hc38797eecf07854f [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:601:18 [INFO] [stdout] 28: 0x56293915eb48 - test::run_test::run_test_inner::{{closure}}::hac209db8bce0fd77 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:493:39 [INFO] [stdout] 29: 0x56293912d2dd - test::run_test::run_test_inner::{{closure}}::h4aefdd4b4a423e20 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:520:37 [INFO] [stdout] 30: 0x56293912d2dd - std::sys_common::backtrace::__rust_begin_short_backtrace::h652c9e2663704700 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 31: 0x562939131ab8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hd84fd5e0b5b1f45f [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/thread/mod.rs:476:17 [INFO] [stdout] 32: 0x562939131ab8 - as core::ops::function::FnOnce<()>>::call_once::he23556962a2ae14b [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:347:9 [INFO] [stdout] 33: 0x562939131ab8 - std::panicking::try::do_call::h67d4f93e1fbaa5f9 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40 [INFO] [stdout] 34: 0x562939131ab8 - std::panicking::try::h396886e678db815e [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19 [INFO] [stdout] 35: 0x562939131ab8 - std::panic::catch_unwind::hc1d64dcecf0a00e0 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14 [INFO] [stdout] 36: 0x562939131ab8 - std::thread::Builder::spawn_unchecked::{{closure}}::hc2644cf33cb61d8e [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/thread/mod.rs:475:30 [INFO] [stdout] 37: 0x562939131ab8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4473c2c77b66963f [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x5629391f0a87 - as core::ops::function::FnOnce>::call_once::h6bff7798948b1075 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 39: 0x5629391f0a87 - as core::ops::function::FnOnce>::call_once::hc2d25ac38f6b2342 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 40: 0x5629391f0a87 - std::sys::unix::thread::Thread::new::thread_start::hbba5bc368baac205 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys/unix/thread.rs:74:17 [INFO] [stdout] 41: 0x7fd4baf31609 - start_thread [INFO] [stdout] 42: 0x7fd4bad03293 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- test_readme_example_2 stdout ---- [INFO] [stdout] thread 'test_readme_example_2' panicked at 'Read-only file system (os error 30)', tests/problems.rs:154:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5629391e93b0 - std::backtrace_rs::backtrace::libunwind::trace::ha0ad43e8a952bfe7 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x5629391e93b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h6830419c0c4130dc [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5629391e93b0 - std::sys_common::backtrace::_print_fmt::h8f3516631ffa1ef5 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5629391e93b0 - ::fmt::he1640d5f0d93f618 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x56293920d9ac - core::fmt::write::h88012e1f01caeebf [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/fmt/mod.rs:1115:17 [INFO] [stdout] 5: 0x5629391e6365 - std::io::Write::write_fmt::h7728c39ea5632753 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/io/mod.rs:1665:15 [INFO] [stdout] 6: 0x5629391eb51b - std::sys_common::backtrace::_print::ha1f00492f406a015 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x5629391eb51b - std::sys_common::backtrace::print::hd54561b13feb6af3 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x5629391eb51b - std::panicking::default_hook::{{closure}}::h84fe124cd0864662 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x5629391eb02c - std::panicking::default_hook::h5a8e74a76ce290a7 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:222:9 [INFO] [stdout] 10: 0x5629391ebbe4 - std::panicking::rust_panic_with_hook::h67c812a4fe9d4c91 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x5629391798a0 - std::panicking::begin_panic::{{closure}}::h1b2d70d0215457f1 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:542:9 [INFO] [stdout] 12: 0x56293917929f - std::sys_common::backtrace::__rust_end_short_backtrace::h39540bdf9f05acff [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x56293917979b - std::panicking::begin_panic::hda366a380634711f [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:541:12 [INFO] [stdout] 14: 0x5629391256d9 - problems::test_readme_example_2::h8ec17d44be8dc97d [INFO] [stdout] at /opt/rustwide/workdir/tests/problems.rs:154:5 [INFO] [stdout] 15: 0x5629391242da - problems::test_readme_example_2::{{closure}}::h2b31bfb28d756c6a [INFO] [stdout] at /opt/rustwide/workdir/tests/problems.rs:84:1 [INFO] [stdout] 16: 0x562939120fbe - core::ops::function::FnOnce::call_once::he9c8109f03662bd4 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 17: 0x562939160093 - core::ops::function::FnOnce::call_once::h5aba9a5d361d6c79 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 18: 0x562939160093 - test::__rust_begin_short_backtrace::h705bb53b2b1d45e6 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:578:5 [INFO] [stdout] 19: 0x56293915eb48 - as core::ops::function::FnOnce>::call_once::ha20f614d7c0b2b6d [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 20: 0x56293915eb48 - as core::ops::function::FnOnce<()>>::call_once::hf02f19eeb64ceabd [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:347:9 [INFO] [stdout] 21: 0x56293915eb48 - std::panicking::try::do_call::h4bfab65eb3b4b036 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40 [INFO] [stdout] 22: 0x56293915eb48 - std::panicking::try::h6613a46a6d2b6f88 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19 [INFO] [stdout] 23: 0x56293915eb48 - std::panic::catch_unwind::h9f07b17b60991273 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14 [INFO] [stdout] 24: 0x56293915eb48 - test::run_test_in_process::hc38797eecf07854f [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:601:18 [INFO] [stdout] 25: 0x56293915eb48 - test::run_test::run_test_inner::{{closure}}::hac209db8bce0fd77 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:493:39 [INFO] [stdout] 26: 0x56293912d2dd - test::run_test::run_test_inner::{{closure}}::h4aefdd4b4a423e20 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:520:37 [INFO] [stdout] 27: 0x56293912d2dd - std::sys_common::backtrace::__rust_begin_short_backtrace::h652c9e2663704700 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 28: 0x562939131ab8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hd84fd5e0b5b1f45f [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/thread/mod.rs:476:17 [INFO] [stdout] 29: 0x562939131ab8 - as core::ops::function::FnOnce<()>>::call_once::he23556962a2ae14b [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:347:9 [INFO] [stdout] 30: 0x562939131ab8 - std::panicking::try::do_call::h67d4f93e1fbaa5f9 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40 [INFO] [stdout] 31: 0x562939131ab8 - std::panicking::try::h396886e678db815e [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19 [INFO] [stdout] 32: 0x562939131ab8 - std::panic::catch_unwind::hc1d64dcecf0a00e0 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14 [INFO] [stdout] 33: 0x562939131ab8 - std::thread::Builder::spawn_unchecked::{{closure}}::hc2644cf33cb61d8e [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/thread/mod.rs:475:30 [INFO] [stdout] 34: 0x562939131ab8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4473c2c77b66963f [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 35: 0x5629391f0a87 - as core::ops::function::FnOnce>::call_once::h6bff7798948b1075 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 36: 0x5629391f0a87 - as core::ops::function::FnOnce>::call_once::hc2d25ac38f6b2342 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 37: 0x5629391f0a87 - std::sys::unix::thread::Thread::new::thread_start::hbba5bc368baac205 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys/unix/thread.rs:74:17 [INFO] [stdout] 38: 0x7fd4baf31609 - start_thread [INFO] [stdout] 39: 0x7fd4bad03293 - clone [INFO] [stdout] 40: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test_readme_example_1 [INFO] [stdout] test_readme_example_2 [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7e33f8ae77753ce2950665a4ca34bba4d9ea3f6c09a4fb3cbafe0cbc4476809a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e33f8ae77753ce2950665a4ca34bba4d9ea3f6c09a4fb3cbafe0cbc4476809a", kill_on_drop: false }` [INFO] [stdout] 7e33f8ae77753ce2950665a4ca34bba4d9ea3f6c09a4fb3cbafe0cbc4476809a