[INFO] fetching crate lucid 0.3.0...
[INFO] testing lucid-0.3.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate lucid 0.3.0 into /workspace/builds/worker-59/source
[INFO] validating manifest of crates.io crate lucid 0.3.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lucid 0.3.0
[INFO] finished tweaking crates.io crate lucid 0.3.0
[INFO] tweaked toml for crates.io crate lucid 0.3.0 written to /workspace/builds/worker-59/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c7271d3221116ce72f8dd4c73bd54c28913bd743a3106abff1c48f2f798f58d
[INFO] running `Command { std: "docker" "start" "-a" "2c7271d3221116ce72f8dd4c73bd54c28913bd743a3106abff1c48f2f798f58d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c7271d3221116ce72f8dd4c73bd54c28913bd743a3106abff1c48f2f798f58d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c7271d3221116ce72f8dd4c73bd54c28913bd743a3106abff1c48f2f798f58d", kill_on_drop: false }`
[INFO] [stdout] 2c7271d3221116ce72f8dd4c73bd54c28913bd743a3106abff1c48f2f798f58d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32986d55c081de1bacde2600faa35d7483fa7897a665c995d6cff19d1a69fe18
[INFO] running `Command { std: "docker" "start" "-a" "32986d55c081de1bacde2600faa35d7483fa7897a665c995d6cff19d1a69fe18", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling ctrlc v3.2.1
[INFO] [stderr]    Compiling lucid v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:82:29
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let mut handle: Box<Write> = if self.print_to_stderr {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 82 -         let mut handle: Box<Write> = if self.print_to_stderr {
[INFO] [stdout] 82 +         let mut handle: Box<dyn Write> = if self.print_to_stderr {
[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 12.43s
[INFO] running `Command { std: "docker" "inspect" "32986d55c081de1bacde2600faa35d7483fa7897a665c995d6cff19d1a69fe18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32986d55c081de1bacde2600faa35d7483fa7897a665c995d6cff19d1a69fe18", kill_on_drop: false }`
[INFO] [stdout] 32986d55c081de1bacde2600faa35d7483fa7897a665c995d6cff19d1a69fe18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e4ffeafadbf6e5540bbad098ff00b79d1e0d86639265f20e9658cb150f2e346
[INFO] running `Command { std: "docker" "start" "-a" "3e4ffeafadbf6e5540bbad098ff00b79d1e0d86639265f20e9658cb150f2e346", kill_on_drop: false }`
[INFO] [stderr]    Compiling lucid v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:82:29
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let mut handle: Box<Write> = if self.print_to_stderr {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 82 -         let mut handle: Box<Write> = if self.print_to_stderr {
[INFO] [stdout] 82 +         let mut handle: Box<dyn Write> = if self.print_to_stderr {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "3e4ffeafadbf6e5540bbad098ff00b79d1e0d86639265f20e9658cb150f2e346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e4ffeafadbf6e5540bbad098ff00b79d1e0d86639265f20e9658cb150f2e346", kill_on_drop: false }`
[INFO] [stdout] 3e4ffeafadbf6e5540bbad098ff00b79d1e0d86639265f20e9658cb150f2e346
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a077be76fbc52306b3a0ae2f3b50a09b6f2b5c587eb671ec9e4e77b4a0baa29a
[INFO] running `Command { std: "docker" "start" "-a" "a077be76fbc52306b3a0ae2f3b50a09b6f2b5c587eb671ec9e4e77b4a0baa29a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:82:29
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let mut handle: Box<Write> = if self.print_to_stderr {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 82 -         let mut handle: Box<Write> = if self.print_to_stderr {
[INFO] [stderr] 82 +         let mut handle: Box<dyn Write> = if self.print_to_stderr {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `lucid` (bin "lucid" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lucid-111c03af5f0f104b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_duration_from_float ... ok
[INFO] [stdout] test test_verbosity_level ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a077be76fbc52306b3a0ae2f3b50a09b6f2b5c587eb671ec9e4e77b4a0baa29a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a077be76fbc52306b3a0ae2f3b50a09b6f2b5c587eb671ec9e4e77b4a0baa29a", kill_on_drop: false }`
[INFO] [stdout] a077be76fbc52306b3a0ae2f3b50a09b6f2b5c587eb671ec9e4e77b4a0baa29a