[INFO] fetching crate alt_cargo_metadata 0.9.1...
[INFO] testing alt_cargo_metadata-0.9.1 against 1.69.0 for beta-1.70-1
[INFO] extracting crate alt_cargo_metadata 0.9.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate alt_cargo_metadata 0.9.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alt_cargo_metadata 0.9.1
[INFO] finished tweaking crates.io crate alt_cargo_metadata 0.9.1
[INFO] tweaked toml for crates.io crate alt_cargo_metadata 0.9.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded docopt v1.1.1
[INFO] [stderr]   Downloaded alt_serde_derive v1.0.119
[INFO] [stderr]   Downloaded structopt v0.2.18
[INFO] [stderr]   Downloaded structopt-derive v0.2.18
[INFO] [stderr]   Downloaded alt_serde v1.0.119
[INFO] [stderr]   Downloaded alt_serde_json v1.0.61
[INFO] [stderr]   Downloaded alt_semver v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1279a055a3ed4e7fc925d07e2c27077fba88a68f85063bb396eb05cb7cac23d
[INFO] running `Command { std: "docker" "start" "-a" "e1279a055a3ed4e7fc925d07e2c27077fba88a68f85063bb396eb05cb7cac23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1279a055a3ed4e7fc925d07e2c27077fba88a68f85063bb396eb05cb7cac23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1279a055a3ed4e7fc925d07e2c27077fba88a68f85063bb396eb05cb7cac23d", kill_on_drop: false }`
[INFO] [stdout] e1279a055a3ed4e7fc925d07e2c27077fba88a68f85063bb396eb05cb7cac23d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f79b7aa7e355bd55ae9fcaadb15e011c2f3a2b1bd4f0fba666b65148ccbe66c
[INFO] running `Command { std: "docker" "start" "-a" "0f79b7aa7e355bd55ae9fcaadb15e011c2f3a2b1bd4f0fba666b65148ccbe66c", kill_on_drop: false }`
[INFO] [stderr]    Compiling alt_serde v1.0.119
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling alt_serde_derive v1.0.119
[INFO] [stderr]    Compiling alt_serde_json v1.0.61
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling alt_semver v0.9.0
[INFO] [stderr]    Compiling alt_cargo_metadata v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:96:34
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn source(&self) -> Option<&(::std::error::Error + 'static)> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn source(&self) -> Option<&(dyn (::std::error::Error + 'static))> {
[INFO] [stdout]    |                                  +++++                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.19s
[INFO] running `Command { std: "docker" "inspect" "0f79b7aa7e355bd55ae9fcaadb15e011c2f3a2b1bd4f0fba666b65148ccbe66c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f79b7aa7e355bd55ae9fcaadb15e011c2f3a2b1bd4f0fba666b65148ccbe66c", kill_on_drop: false }`
[INFO] [stdout] 0f79b7aa7e355bd55ae9fcaadb15e011c2f3a2b1bd4f0fba666b65148ccbe66c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5188cd9c4751a9399c5362630a5258b4818cc05ffdf382fe0122b93fcc28fe9
[INFO] running `Command { std: "docker" "start" "-a" "b5188cd9c4751a9399c5362630a5258b4818cc05ffdf382fe0122b93fcc28fe9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:96:34
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn source(&self) -> Option<&(::std::error::Error + 'static)> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn source(&self) -> Option<&(dyn (::std::error::Error + 'static))> {
[INFO] [stdout]    |                                  +++++                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling docopt v1.1.1
[INFO] [stderr]    Compiling alt_cargo_metadata v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `cargo_metadata`
[INFO] [stdout]  --> tests/selftest.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate cargo_metadata;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `cargo_metadata`
[INFO] [stdout]  --> tests/test_samples.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate cargo_metadata;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alt_cargo_metadata` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alt_cargo_metadata` due to 2 previous errors
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:96:34
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn source(&self) -> Option<&(::std::error::Error + 'static)> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn source(&self) -> Option<&(dyn (::std::error::Error + 'static))> {
[INFO] [stdout]    |                                  +++++                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b5188cd9c4751a9399c5362630a5258b4818cc05ffdf382fe0122b93fcc28fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5188cd9c4751a9399c5362630a5258b4818cc05ffdf382fe0122b93fcc28fe9", kill_on_drop: false }`
[INFO] [stdout] b5188cd9c4751a9399c5362630a5258b4818cc05ffdf382fe0122b93fcc28fe9
