[INFO] fetching crate fsmulator 0.1.0...
[INFO] testing fsmulator-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate fsmulator 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate fsmulator 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fsmulator 0.1.0
[INFO] finished tweaking crates.io crate fsmulator 0.1.0
[INFO] tweaked toml for crates.io crate fsmulator 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aa2b5d31d83e7123855102e9eaab409d9c41c93c0fd31cb03e1ef749395b2654
[INFO] running `Command { std: "docker" "start" "-a" "aa2b5d31d83e7123855102e9eaab409d9c41c93c0fd31cb03e1ef749395b2654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa2b5d31d83e7123855102e9eaab409d9c41c93c0fd31cb03e1ef749395b2654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa2b5d31d83e7123855102e9eaab409d9c41c93c0fd31cb03e1ef749395b2654", kill_on_drop: false }`
[INFO] [stdout] aa2b5d31d83e7123855102e9eaab409d9c41c93c0fd31cb03e1ef749395b2654
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d363992a8326ecc6046d947ec8d91cebb90bb3fe755248ae765417e8ffc0c4db
[INFO] running `Command { std: "docker" "start" "-a" "d363992a8326ecc6046d947ec8d91cebb90bb3fe755248ae765417e8ffc0c4db", kill_on_drop: false }`
[INFO] [stderr]    Compiling fsmulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:66:49
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn run(config: &Config) -> Result<bool, Box<Error>> {
[INFO] [stdout]    |                                                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 - pub fn run(config: &Config) -> Result<bool, Box<Error>> {
[INFO] [stdout] 66 + pub fn run(config: &Config) -> Result<bool, Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:16:55
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new (args: Vec<String>) -> Result<Config, Box<Error>> {
[INFO] [stdout]    |                                                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 -     pub fn new (args: Vec<String>) -> Result<Config, Box<Error>> {
[INFO] [stdout] 16 +     pub fn new (args: Vec<String>) -> Result<Config, Box<dyn Error>> {
[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 3.75s
[INFO] running `Command { std: "docker" "inspect" "d363992a8326ecc6046d947ec8d91cebb90bb3fe755248ae765417e8ffc0c4db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d363992a8326ecc6046d947ec8d91cebb90bb3fe755248ae765417e8ffc0c4db", kill_on_drop: false }`
[INFO] [stdout] d363992a8326ecc6046d947ec8d91cebb90bb3fe755248ae765417e8ffc0c4db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6475b2a361e0743c8bd0f4afbaf47f1acb26ed5e893fb5c85dabfe6ecd4f39f9
[INFO] running `Command { std: "docker" "start" "-a" "6475b2a361e0743c8bd0f4afbaf47f1acb26ed5e893fb5c85dabfe6ecd4f39f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling fsmulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:66:49
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn run(config: &Config) -> Result<bool, Box<Error>> {
[INFO] [stdout]    |                                                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 - pub fn run(config: &Config) -> Result<bool, Box<Error>> {
[INFO] [stdout] 66 + pub fn run(config: &Config) -> Result<bool, Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:16:55
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new (args: Vec<String>) -> Result<Config, Box<Error>> {
[INFO] [stdout]    |                                                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 -     pub fn new (args: Vec<String>) -> Result<Config, Box<Error>> {
[INFO] [stdout] 16 +     pub fn new (args: Vec<String>) -> Result<Config, Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:66:49
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn run(config: &Config) -> Result<bool, Box<Error>> {
[INFO] [stdout]    |                                                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 - pub fn run(config: &Config) -> Result<bool, Box<Error>> {
[INFO] [stdout] 66 + pub fn run(config: &Config) -> Result<bool, Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:16:55
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new (args: Vec<String>) -> Result<Config, Box<Error>> {
[INFO] [stdout]    |                                                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 -     pub fn new (args: Vec<String>) -> Result<Config, Box<Error>> {
[INFO] [stdout] 16 +     pub fn new (args: Vec<String>) -> Result<Config, Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "6475b2a361e0743c8bd0f4afbaf47f1acb26ed5e893fb5c85dabfe6ecd4f39f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6475b2a361e0743c8bd0f4afbaf47f1acb26ed5e893fb5c85dabfe6ecd4f39f9", kill_on_drop: false }`
[INFO] [stdout] 6475b2a361e0743c8bd0f4afbaf47f1acb26ed5e893fb5c85dabfe6ecd4f39f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 32b62d7a3843675677070e7ede030c0e8b8820e0ab306d8f1b7ae39fb0e0c1fe
[INFO] running `Command { std: "docker" "start" "-a" "32b62d7a3843675677070e7ede030c0e8b8820e0ab306d8f1b7ae39fb0e0c1fe", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:66:49
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub fn run(config: &Config) -> Result<bool, Box<Error>> {
[INFO] [stderr]    |                                                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 66 - pub fn run(config: &Config) -> Result<bool, Box<Error>> {
[INFO] [stderr] 66 + pub fn run(config: &Config) -> Result<bool, Box<dyn Error>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:16:55
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new (args: Vec<String>) -> Result<Config, Box<Error>> {
[INFO] [stderr]    |                                                          ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 16 -     pub fn new (args: Vec<String>) -> Result<Config, Box<Error>> {
[INFO] [stderr] 16 +     pub fn new (args: Vec<String>) -> Result<Config, Box<dyn Error>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `fsmulator` (lib) generated 2 warnings
[INFO] [stderr] warning: `fsmulator` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fsmulator-6f0d163d840c2434)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fsmulator-0de49320d204e44f)
[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]    Doc-tests fsmulator
[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] [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] running `Command { std: "docker" "inspect" "32b62d7a3843675677070e7ede030c0e8b8820e0ab306d8f1b7ae39fb0e0c1fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32b62d7a3843675677070e7ede030c0e8b8820e0ab306d8f1b7ae39fb0e0c1fe", kill_on_drop: false }`
[INFO] [stdout] 32b62d7a3843675677070e7ede030c0e8b8820e0ab306d8f1b7ae39fb0e0c1fe