[INFO] fetching crate sjfl 0.4.0...
[INFO] testing sjfl-0.4.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate sjfl 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate sjfl 0.4.0
[INFO] finished tweaking crates.io crate sjfl 0.4.0
[INFO] tweaked toml for crates.io crate sjfl 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sjfl 0.4.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hmath v0.1.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c0d089c9f36d1692e9ba2629fd7545f3421b32abebd0cc72c2ac728966bf42b
[INFO] running `Command { std: "docker" "start" "-a" "2c0d089c9f36d1692e9ba2629fd7545f3421b32abebd0cc72c2ac728966bf42b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c0d089c9f36d1692e9ba2629fd7545f3421b32abebd0cc72c2ac728966bf42b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c0d089c9f36d1692e9ba2629fd7545f3421b32abebd0cc72c2ac728966bf42b", kill_on_drop: false }`
[INFO] [stdout] 2c0d089c9f36d1692e9ba2629fd7545f3421b32abebd0cc72c2ac728966bf42b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b369edff787e1533ac6a6de4df4b7cbdcc164d8d2f4ec95161d0f0a8abb1222
[INFO] running `Command { std: "docker" "start" "-a" "8b369edff787e1533ac6a6de4df4b7cbdcc164d8d2f4ec95161d0f0a8abb1222", kill_on_drop: false }`
[INFO] [stderr]    Compiling hmath v0.1.17
[INFO] [stderr]    Compiling sjfl v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/session.rs:70:32
[INFO] [stdout]    |
[INFO] [stdout] 70 | ...                   if let Ok(path) = PathBuf::from_str(file) {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]    --> src/lib.rs:185:21
[INFO] [stdout]     |
[INFO] [stdout] 185 | pub fn execute_file(file_name: &str, session: &mut Session) -> Result<(), (SJFLError, String)> {
[INFO] [stdout]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `session`
[INFO] [stdout]    --> src/lib.rs:185:38
[INFO] [stdout]     |
[INFO] [stdout] 185 | pub fn execute_file(file_name: &str, session: &mut Session) -> Result<(), (SJFLError, String)> {
[INFO] [stdout]     |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_session`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `META_CONST_NUM_BEGIN` is never used
[INFO] [stdout]   --> src/bsjfl.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub const META_CONST_NUM_BEGIN: u8 = 3;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `META_STRING_GET` is never used
[INFO] [stdout]   --> src/bsjfl.rs:63:11
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub const META_STRING_GET: u8 = 208;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `META_STRING_SET` is never used
[INFO] [stdout]   --> src/bsjfl.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub const META_STRING_SET: u8 = 209;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "8b369edff787e1533ac6a6de4df4b7cbdcc164d8d2f4ec95161d0f0a8abb1222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b369edff787e1533ac6a6de4df4b7cbdcc164d8d2f4ec95161d0f0a8abb1222", kill_on_drop: false }`
[INFO] [stdout] 8b369edff787e1533ac6a6de4df4b7cbdcc164d8d2f4ec95161d0f0a8abb1222
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c27894f029ac366c92635086a66699f36017b630bba18cbd236ddcd7a4f1b6ed
[INFO] running `Command { std: "docker" "start" "-a" "c27894f029ac366c92635086a66699f36017b630bba18cbd236ddcd7a4f1b6ed", kill_on_drop: false }`
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/session.rs:70:32
[INFO] [stdout]    |
[INFO] [stdout] 70 | ...                   if let Ok(path) = PathBuf::from_str(file) {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]    --> src/lib.rs:185:21
[INFO] [stdout]     |
[INFO] [stdout] 185 | pub fn execute_file(file_name: &str, session: &mut Session) -> Result<(), (SJFLError, String)> {
[INFO] [stdout]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `session`
[INFO] [stdout]    --> src/lib.rs:185:38
[INFO] [stdout]     |
[INFO] [stdout] 185 | pub fn execute_file(file_name: &str, session: &mut Session) -> Result<(), (SJFLError, String)> {
[INFO] [stdout]     |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_session`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `META_CONST_NUM_BEGIN` is never used
[INFO] [stdout]   --> src/bsjfl.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub const META_CONST_NUM_BEGIN: u8 = 3;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sjfl v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `META_STRING_GET` is never used
[INFO] [stdout]   --> src/bsjfl.rs:63:11
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub const META_STRING_GET: u8 = 208;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `META_STRING_SET` is never used
[INFO] [stdout]   --> src/bsjfl.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub const META_STRING_SET: u8 = 209;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/session.rs:70:32
[INFO] [stdout]    |
[INFO] [stdout] 70 | ...                   if let Ok(path) = PathBuf::from_str(file) {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]    --> src/lib.rs:185:21
[INFO] [stdout]     |
[INFO] [stdout] 185 | pub fn execute_file(file_name: &str, session: &mut Session) -> Result<(), (SJFLError, String)> {
[INFO] [stdout]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `session`
[INFO] [stdout]    --> src/lib.rs:185:38
[INFO] [stdout]     |
[INFO] [stdout] 185 | pub fn execute_file(file_name: &str, session: &mut Session) -> Result<(), (SJFLError, String)> {
[INFO] [stdout]     |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_session`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `META_CONST_NUM_BEGIN` is never used
[INFO] [stdout]   --> src/bsjfl.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub const META_CONST_NUM_BEGIN: u8 = 3;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `META_STRING_GET` is never used
[INFO] [stdout]   --> src/bsjfl.rs:63:11
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub const META_STRING_GET: u8 = 208;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `META_STRING_SET` is never used
[INFO] [stdout]   --> src/bsjfl.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub const META_STRING_SET: u8 = 209;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "c27894f029ac366c92635086a66699f36017b630bba18cbd236ddcd7a4f1b6ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c27894f029ac366c92635086a66699f36017b630bba18cbd236ddcd7a4f1b6ed", kill_on_drop: false }`
[INFO] [stdout] c27894f029ac366c92635086a66699f36017b630bba18cbd236ddcd7a4f1b6ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f8639170f6798f7be34ed1544d59da28b21f10bf91e5a7b322a77c81b1b1ad4d
[INFO] running `Command { std: "docker" "start" "-a" "f8639170f6798f7be34ed1544d59da28b21f10bf91e5a7b322a77c81b1b1ad4d", kill_on_drop: false }`
[INFO] [stderr] warning: irrefutable `if let` pattern
[INFO] [stderr]   --> src/session.rs:70:32
[INFO] [stderr]    |
[INFO] [stderr] 70 | ...                   if let Ok(path) = PathBuf::from_str(file) {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stderr]    = help: consider replacing the `if let` with a `let`
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_name`
[INFO] [stderr]    --> src/lib.rs:185:21
[INFO] [stderr]     |
[INFO] [stderr] 185 | pub fn execute_file(file_name: &str, session: &mut Session) -> Result<(), (SJFLError, String)> {
[INFO] [stderr]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `session`
[INFO] [stderr]    --> src/lib.rs:185:38
[INFO] [stderr]     |
[INFO] [stderr] 185 | pub fn execute_file(file_name: &str, session: &mut Session) -> Result<(), (SJFLError, String)> {
[INFO] [stderr]     |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_session`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `META_CONST_NUM_BEGIN` is never used
[INFO] [stderr]   --> src/bsjfl.rs:46:11
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub const META_CONST_NUM_BEGIN: u8 = 3;
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `META_STRING_GET` is never used
[INFO] [stderr]   --> src/bsjfl.rs:63:11
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub const META_STRING_GET: u8 = 208;
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `META_STRING_SET` is never used
[INFO] [stderr]   --> src/bsjfl.rs:64:11
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub const META_STRING_SET: u8 = 209;
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sjfl` (lib) generated 6 warnings (run `cargo fix --lib -p sjfl` to apply 2 suggestions)
[INFO] [stderr] warning: `sjfl` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sjfl-64b5087a3642a441)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test bsjfl::from_bin::int_test ... ok
[INFO] [stdout] test parse::table::tests::eq_test ... ok
[INFO] [stdout] test tests::statement::parse_sample1 ... ok
[INFO] [stdout] test tests::value::parse_sample1 ... ok
[INFO] [stdout] test tests::value::parse_sample3 ... ok
[INFO] [stdout] test tests::file::file_test ... FAILED
[INFO] [stdout] test tests::value::round_trips ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::file::file_test stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::file::file_test' (19) panicked at src/tests/file.rs:7:40:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0: __rustc::rust_begin_unwind
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]    1: core::panicking::panic_fmt
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]    2: core::result::unwrap_failed
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]    3: <core::result::Result<(), std::io::error::Error>>::unwrap
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]    4: sjfl::tests::file::file_test
[INFO] [stdout]              at ./src/tests/file.rs:7:40
[INFO] [stdout]    5: sjfl::tests::file::file_test::{closure#0}
[INFO] [stdout]              at ./src/tests/file.rs:6:15
[INFO] [stdout]    6: <sjfl::tests::file::file_test::{closure#0} as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]    7: <fn() -> core::result::Result<(), alloc::string::String> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout] note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::file::file_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "f8639170f6798f7be34ed1544d59da28b21f10bf91e5a7b322a77c81b1b1ad4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8639170f6798f7be34ed1544d59da28b21f10bf91e5a7b322a77c81b1b1ad4d", kill_on_drop: false }`
[INFO] [stdout] f8639170f6798f7be34ed1544d59da28b21f10bf91e5a7b322a77c81b1b1ad4d