[INFO] fetching crate string-error 0.1.0... [INFO] testing string-error-0.1.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate string-error 0.1.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate string-error 0.1.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate string-error 0.1.0 [INFO] finished tweaking crates.io crate string-error 0.1.0 [INFO] tweaked toml for crates.io crate string-error 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 59985ce7b929bc8d26314218e0531ac83942f7515fcf01dc9cd411baa2dc1165 [INFO] running `Command { std: "docker" "start" "-a" "59985ce7b929bc8d26314218e0531ac83942f7515fcf01dc9cd411baa2dc1165", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "59985ce7b929bc8d26314218e0531ac83942f7515fcf01dc9cd411baa2dc1165", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59985ce7b929bc8d26314218e0531ac83942f7515fcf01dc9cd411baa2dc1165", kill_on_drop: false }` [INFO] [stdout] 59985ce7b929bc8d26314218e0531ac83942f7515fcf01dc9cd411baa2dc1165 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a8b5efa46a98b5b56318efb8f60fc4ef85a52eed5ae98269d96472d757786580 [INFO] running `Command { std: "docker" "start" "-a" "a8b5efa46a98b5b56318efb8f60fc4ef85a52eed5ae98269d96472d757786580", kill_on_drop: false }` [INFO] [stderr] Compiling string-error v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:73:43 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn static_err(e: &'static str) -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:90:32 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn new_err(e: &str) -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:106:35 [INFO] [stdout] | [INFO] [stdout] 106 | pub fn into_err(e: String) -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.47s [INFO] running `Command { std: "docker" "inspect" "a8b5efa46a98b5b56318efb8f60fc4ef85a52eed5ae98269d96472d757786580", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8b5efa46a98b5b56318efb8f60fc4ef85a52eed5ae98269d96472d757786580", kill_on_drop: false }` [INFO] [stdout] a8b5efa46a98b5b56318efb8f60fc4ef85a52eed5ae98269d96472d757786580 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7dba49941a8201e4b77e3bde13c76d7bd14c17338028eb4e43d6aa746e393a88 [INFO] running `Command { std: "docker" "start" "-a" "7dba49941a8201e4b77e3bde13c76d7bd14c17338028eb4e43d6aa746e393a88", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:73:43 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn static_err(e: &'static str) -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:90:32 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn new_err(e: &str) -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling string-error v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:106:35 [INFO] [stdout] | [INFO] [stdout] 106 | pub fn into_err(e: String) -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:73:43 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn static_err(e: &'static str) -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:90:32 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn new_err(e: &str) -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:106:35 [INFO] [stdout] | [INFO] [stdout] 106 | pub fn into_err(e: String) -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:118:22 [INFO] [stdout] | [INFO] [stdout] 118 | assert_eq!(x.description(), SOME_STRING); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/lib.rs:119:19 [INFO] [stdout] | [INFO] [stdout] 119 | assert!(x.cause().is_none()); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:125:22 [INFO] [stdout] | [INFO] [stdout] 125 | assert_eq!(x.description(), SOME_STRING); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/lib.rs:126:19 [INFO] [stdout] | [INFO] [stdout] 126 | assert!(x.cause().is_none()); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:132:22 [INFO] [stdout] | [INFO] [stdout] 132 | assert_eq!(x.description(), SOME_STRING); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/lib.rs:133:19 [INFO] [stdout] | [INFO] [stdout] 133 | assert!(x.cause().is_none()); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `Command { std: "docker" "inspect" "7dba49941a8201e4b77e3bde13c76d7bd14c17338028eb4e43d6aa746e393a88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7dba49941a8201e4b77e3bde13c76d7bd14c17338028eb4e43d6aa746e393a88", kill_on_drop: false }` [INFO] [stdout] 7dba49941a8201e4b77e3bde13c76d7bd14c17338028eb4e43d6aa746e393a88 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 60316d2cf547f34427c3f2e0e3fc7bcdeed834c7df98a76adec14c2e19f5b6b5 [INFO] running `Command { std: "docker" "start" "-a" "60316d2cf547f34427c3f2e0e3fc7bcdeed834c7df98a76adec14c2e19f5b6b5", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:73:43 [INFO] [stderr] | [INFO] [stderr] 73 | pub fn static_err(e: &'static str) -> Box { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:90:32 [INFO] [stderr] | [INFO] [stderr] 90 | pub fn new_err(e: &str) -> Box { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:106:35 [INFO] [stderr] | [INFO] [stderr] 106 | pub fn into_err(e: String) -> Box { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `string-error` (lib) generated 3 warnings [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:118:22 [INFO] [stderr] | [INFO] [stderr] 118 | assert_eq!(x.description(), SOME_STRING); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/lib.rs:119:19 [INFO] [stderr] | [INFO] [stderr] 119 | assert!(x.cause().is_none()); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:125:22 [INFO] [stderr] | [INFO] [stderr] 125 | assert_eq!(x.description(), SOME_STRING); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/lib.rs:126:19 [INFO] [stderr] | [INFO] [stderr] 126 | assert!(x.cause().is_none()); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:132:22 [INFO] [stderr] | [INFO] [stderr] 132 | assert_eq!(x.description(), SOME_STRING); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/lib.rs:133:19 [INFO] [stderr] | [INFO] [stderr] 133 | assert!(x.cause().is_none()); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `string-error` (lib test) generated 9 warnings (3 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/string_error-d1a12b3fec977f72) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::test_new_err ... ok [INFO] [stdout] test tests::test_static_err ... ok [INFO] [stderr] Doc-tests string-error [INFO] [stdout] test tests::test_into_err ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - static_err (line 67) ... ok [INFO] [stdout] test src/lib.rs - new_err (line 84) ... ok [INFO] [stdout] test src/lib.rs - into_err (line 100) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "60316d2cf547f34427c3f2e0e3fc7bcdeed834c7df98a76adec14c2e19f5b6b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60316d2cf547f34427c3f2e0e3fc7bcdeed834c7df98a76adec14c2e19f5b6b5", kill_on_drop: false }` [INFO] [stdout] 60316d2cf547f34427c3f2e0e3fc7bcdeed834c7df98a76adec14c2e19f5b6b5