[INFO] fetching crate serde-helpers 0.1.0... [INFO] testing serde-helpers-0.1.0 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate serde-helpers 0.1.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate serde-helpers 0.1.0 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate serde-helpers 0.1.0 [INFO] finished tweaking crates.io crate serde-helpers 0.1.0 [INFO] tweaked toml for crates.io crate serde-helpers 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2022-04-10" "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] 50a19f4dea1be5d3330bd1ddc3d5ac74bc6345d4edd7ab961d6b5d8415aa7ca2 [INFO] running `Command { std: "docker" "start" "-a" "50a19f4dea1be5d3330bd1ddc3d5ac74bc6345d4edd7ab961d6b5d8415aa7ca2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50a19f4dea1be5d3330bd1ddc3d5ac74bc6345d4edd7ab961d6b5d8415aa7ca2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50a19f4dea1be5d3330bd1ddc3d5ac74bc6345d4edd7ab961d6b5d8415aa7ca2", kill_on_drop: false }` [INFO] [stdout] 50a19f4dea1be5d3330bd1ddc3d5ac74bc6345d4edd7ab961d6b5d8415aa7ca2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2022-04-10" "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] 09fc635de04b79dc82f4c253f7ff0e1b5a64f87ebecc2ec17bfda92dac42f6fa [INFO] running `Command { std: "docker" "start" "-a" "09fc635de04b79dc82f4c253f7ff0e1b5a64f87ebecc2ec17bfda92dac42f6fa", kill_on_drop: false }` [INFO] [stderr] Compiling serde_yaml v0.7.5 [INFO] [stderr] Compiling serde-helpers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:24:23 [INFO] [stdout] | [INFO] [stdout] 24 | cause: Option>, [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 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 24 - cause: Option>, [INFO] [stdout] 24 + cause: Option>, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:56:32 [INFO] [stdout] | [INFO] [stdout] 56 | fn cause(&self) -> Option<&StdError> { [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 56 - fn cause(&self) -> Option<&StdError> { [INFO] [stdout] 56 + fn cause(&self) -> Option<&dyn StdError> { [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/error.rs:31:30 [INFO] [stdout] | [INFO] [stdout] 31 | description: err.description().to_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::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:40:30 [INFO] [stdout] | [INFO] [stdout] 40 | description: err.description().to_string(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.80s [INFO] running `Command { std: "docker" "inspect" "09fc635de04b79dc82f4c253f7ff0e1b5a64f87ebecc2ec17bfda92dac42f6fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09fc635de04b79dc82f4c253f7ff0e1b5a64f87ebecc2ec17bfda92dac42f6fa", kill_on_drop: false }` [INFO] [stdout] 09fc635de04b79dc82f4c253f7ff0e1b5a64f87ebecc2ec17bfda92dac42f6fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ac335bfcb245b89bef4a1044220201e17a05152b5c15f2a1cb762fa0ce9f129 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3ac335bfcb245b89bef4a1044220201e17a05152b5c15f2a1cb762fa0ce9f129", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] running `Command { std: "docker" "inspect" "3ac335bfcb245b89bef4a1044220201e17a05152b5c15f2a1cb762fa0ce9f129", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ac335bfcb245b89bef4a1044220201e17a05152b5c15f2a1cb762fa0ce9f129", kill_on_drop: false }` [INFO] [stdout] 3ac335bfcb245b89bef4a1044220201e17a05152b5c15f2a1cb762fa0ce9f129 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2022-04-10" "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] 192d96a750d569efc85d3443019d8ad098eb8a1236acd6a5009b9f8835290ea7 [INFO] running `Command { std: "docker" "start" "-a" "192d96a750d569efc85d3443019d8ad098eb8a1236acd6a5009b9f8835290ea7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] running `Command { std: "docker" "inspect" "192d96a750d569efc85d3443019d8ad098eb8a1236acd6a5009b9f8835290ea7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "192d96a750d569efc85d3443019d8ad098eb8a1236acd6a5009b9f8835290ea7", kill_on_drop: false }` [INFO] [stdout] 192d96a750d569efc85d3443019d8ad098eb8a1236acd6a5009b9f8835290ea7