[INFO] fetching crate cmail 0.3.0... [INFO] testing cmail-0.3.0 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate cmail 0.3.0 into /workspace/builds/worker-68/source [INFO] validating manifest of crates.io crate cmail 0.3.0 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 cmail 0.3.0 [INFO] finished tweaking crates.io crate cmail 0.3.0 [INFO] tweaked toml for crates.io crate cmail 0.3.0 written to /workspace/builds/worker-68/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-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b912f215da7b3d3b9ae303464ca012e7fb3d9c01fcf8e7daac131c77e0169bdc [INFO] running `Command { std: "docker" "start" "-a" "b912f215da7b3d3b9ae303464ca012e7fb3d9c01fcf8e7daac131c77e0169bdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b912f215da7b3d3b9ae303464ca012e7fb3d9c01fcf8e7daac131c77e0169bdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b912f215da7b3d3b9ae303464ca012e7fb3d9c01fcf8e7daac131c77e0169bdc", kill_on_drop: false }` [INFO] [stdout] b912f215da7b3d3b9ae303464ca012e7fb3d9c01fcf8e7daac131c77e0169bdc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e794cd78fbfb4df4b0c7e812f44c599398883c18a48d1d115888bf32c0150ae1 [INFO] running `Command { std: "docker" "start" "-a" "e794cd78fbfb4df4b0c7e812f44c599398883c18a48d1d115888bf32c0150ae1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling crossbeam-utils v0.5.0 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling owning_ref v0.4.1 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling signal-hook v0.1.17 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling crossbeam-epoch v0.6.1 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling regex v1.5.5 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling crossbeam-channel v0.2.6 [INFO] [stderr] Compiling docopt v1.1.1 [INFO] [stderr] Compiling cmail v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> cmail.rs:50:47 [INFO] [stdout] | [INFO] [stdout] 50 | type Result = ::std::result::Result>; [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] 50 - type Result = ::std::result::Result>; [INFO] [stdout] 50 + type Result = ::std::result::Result>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> cmail.rs:369:25 [INFO] [stdout] | [INFO] [stdout] 369 | fn wtr(self) -> Box { [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] 369 - fn wtr(self) -> Box { [INFO] [stdout] 369 + fn wtr(self) -> Box { [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 26.31s [INFO] running `Command { std: "docker" "inspect" "e794cd78fbfb4df4b0c7e812f44c599398883c18a48d1d115888bf32c0150ae1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e794cd78fbfb4df4b0c7e812f44c599398883c18a48d1d115888bf32c0150ae1", kill_on_drop: false }` [INFO] [stdout] e794cd78fbfb4df4b0c7e812f44c599398883c18a48d1d115888bf32c0150ae1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1679e7ad19b03686454e036837321668acc507dcdb0dd172c64373ecd1d4d374 [INFO] running `Command { std: "docker" "start" "-a" "1679e7ad19b03686454e036837321668acc507dcdb0dd172c64373ecd1d4d374", kill_on_drop: false }` [INFO] [stderr] Compiling cmail v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> cmail.rs:50:47 [INFO] [stdout] | [INFO] [stdout] 50 | type Result = ::std::result::Result>; [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] 50 - type Result = ::std::result::Result>; [INFO] [stdout] 50 + type Result = ::std::result::Result>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> cmail.rs:369:25 [INFO] [stdout] | [INFO] [stdout] 369 | fn wtr(self) -> Box { [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] 369 - fn wtr(self) -> Box { [INFO] [stdout] 369 + fn wtr(self) -> Box { [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 0.82s [INFO] [stderr] Executable unittests cmail.rs (/opt/rustwide/target/debug/deps/cmail-31ba67ef2b0e4ac2) [INFO] running `Command { std: "docker" "inspect" "1679e7ad19b03686454e036837321668acc507dcdb0dd172c64373ecd1d4d374", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1679e7ad19b03686454e036837321668acc507dcdb0dd172c64373ecd1d4d374", kill_on_drop: false }` [INFO] [stdout] 1679e7ad19b03686454e036837321668acc507dcdb0dd172c64373ecd1d4d374 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a7f3d8c6236db9a551281157ab3ef616eb9eb76906924166b6a31907cdf5d9eb [INFO] running `Command { std: "docker" "start" "-a" "a7f3d8c6236db9a551281157ab3ef616eb9eb76906924166b6a31907cdf5d9eb", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> cmail.rs:50:47 [INFO] [stderr] | [INFO] [stderr] 50 | type Result = ::std::result::Result>; [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 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 50 - type Result = ::std::result::Result>; [INFO] [stderr] 50 + type Result = ::std::result::Result>; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> cmail.rs:369:25 [INFO] [stderr] | [INFO] [stderr] 369 | fn wtr(self) -> Box { [INFO] [stderr] | ^^^^^^^^^ [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] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 369 - fn wtr(self) -> Box { [INFO] [stderr] 369 + fn wtr(self) -> Box { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `cmail` (bin "cmail" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Running unittests cmail.rs (/opt/rustwide/target/debug/deps/cmail-31ba67ef2b0e4ac2) [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" "a7f3d8c6236db9a551281157ab3ef616eb9eb76906924166b6a31907cdf5d9eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7f3d8c6236db9a551281157ab3ef616eb9eb76906924166b6a31907cdf5d9eb", kill_on_drop: false }` [INFO] [stdout] a7f3d8c6236db9a551281157ab3ef616eb9eb76906924166b6a31907cdf5d9eb