[INFO] fetching crate ptx-builder 0.5.3...
[INFO] checking ptx-builder-0.5.3 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate ptx-builder 0.5.3 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate ptx-builder 0.5.3 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ptx-builder 0.5.3
[INFO] finished tweaking crates.io crate ptx-builder 0.5.3
[INFO] tweaked toml for crates.io crate ptx-builder 0.5.3 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8a7e3e1675b888f8a49d3c724f6cc7125de40f1abe077ef47b9b42799e0dbaf
[INFO] running `Command { std: "docker" "start" "-a" "b8a7e3e1675b888f8a49d3c724f6cc7125de40f1abe077ef47b9b42799e0dbaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8a7e3e1675b888f8a49d3c724f6cc7125de40f1abe077ef47b9b42799e0dbaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8a7e3e1675b888f8a49d3c724f6cc7125de40f1abe077ef47b9b42799e0dbaf", kill_on_drop: false }`
[INFO] [stdout] b8a7e3e1675b888f8a49d3c724f6cc7125de40f1abe077ef47b9b42799e0dbaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47ec5497e8b4dc0f731d50f420a5300a78695e04003b0aa9953f740489afc4b7
[INFO] running `Command { std: "docker" "start" "-a" "47ec5497e8b4dc0f731d50f420a5300a78695e04003b0aa9953f740489afc4b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking ptx-builder v0.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:54:32
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:54:32
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ptx-builder`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "47ec5497e8b4dc0f731d50f420a5300a78695e04003b0aa9953f740489afc4b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47ec5497e8b4dc0f731d50f420a5300a78695e04003b0aa9953f740489afc4b7", kill_on_drop: false }`
[INFO] [stdout] 47ec5497e8b4dc0f731d50f420a5300a78695e04003b0aa9953f740489afc4b7