[INFO] cloning repository https://github.com/learning-on-chip/planner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/learning-on-chip/planner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearning-on-chip%2Fplanner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearning-on-chip%2Fplanner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d1b8dd8dd266b6444d1d3d8ca934523f3bb507c
[INFO] testing learning-on-chip/planner against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearning-on-chip%2Fplanner" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/learning-on-chip/planner 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 git repo https://github.com/learning-on-chip/planner
[INFO] finished tweaking git repo https://github.com/learning-on-chip/planner
[INFO] tweaked toml for git repo https://github.com/learning-on-chip/planner written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/learning-on-chip/planner already has a lockfile, it will not be regenerated
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] e9ce23360c95e6b595db3da939e5e2ea01ed339708934259729445f239225bea
[INFO] running `Command { std: "docker" "start" "-a" "e9ce23360c95e6b595db3da939e5e2ea01ed339708934259729445f239225bea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9ce23360c95e6b595db3da939e5e2ea01ed339708934259729445f239225bea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ce23360c95e6b595db3da939e5e2ea01ed339708934259729445f239225bea", kill_on_drop: false }`
[INFO] [stdout] e9ce23360c95e6b595db3da939e5e2ea01ed339708934259729445f239225bea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 9e706a31f1756576e305d536d361fc3a21c7db014cf6ddc85942eec55ef23897
[INFO] running `Command { std: "docker" "start" "-a" "9e706a31f1756576e305d536d361fc3a21c7db014cf6ddc85942eec55ef23897", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling options v0.5.1
[INFO] [stderr]    Compiling sql v0.4.2
[INFO] [stderr]    Compiling arguments v0.6.2
[INFO] [stderr]    Compiling sqlite3-src v0.2.7
[INFO] [stderr]    Compiling sqlite3-sys v0.12.0
[INFO] [stderr]    Compiling sqlite v0.23.4
[INFO] [stderr]    Compiling planner v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib/format/mod.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn write(&self, &[Element], &mut Write) -> Result<()>;
[INFO] [stdout]    |                     ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[Element]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib/format/mod.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn write(&self, &[Element], &mut Write) -> Result<()>;
[INFO] [stdout]    |                                 ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/lib/layout/mod.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn construct(&self, &Configuration) -> Result<Vec<Element>>;
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Configuration`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/format/mod.rs:11:38
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn write(&self, &[Element], &mut Write) -> 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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 -     fn write(&self, &[Element], &mut Write) -> Result<()>;
[INFO] [stdout] 11 +     fn write(&self, &[Element], &mut dyn Write) -> Result<()>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/format/svg.rs:44:56
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn write(&self, elements: &[Element], writer: &mut Write) -> Result<()> {
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 -     fn write(&self, elements: &[Element], writer: &mut Write) -> Result<()> {
[INFO] [stdout] 44 +     fn write(&self, elements: &[Element], writer: &mut dyn Write) -> Result<()> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/format/threed_ice.rs:21:56
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn write(&self, elements: &[Element], writer: &mut Write) -> Result<()> {
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 -     fn write(&self, elements: &[Element], writer: &mut Write) -> Result<()> {
[INFO] [stdout] 21 +     fn write(&self, elements: &[Element], writer: &mut dyn Write) -> Result<()> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/planner.rs:73:47
[INFO] [stdout]    |
[INFO] [stdout] 73 |         "svg" => Box::new(format::SVG) as Box<Format>,
[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] 73 -         "svg" => Box::new(format::SVG) as Box<Format>,
[INFO] [stdout] 73 +         "svg" => Box::new(format::SVG) as Box<dyn Format>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/planner.rs:74:56
[INFO] [stdout]    |
[INFO] [stdout] 74 |         "3d-ice" => Box::new(format::ThreeDICE) as Box<Format>,
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 74 -         "3d-ice" => Box::new(format::ThreeDICE) as Box<Format>,
[INFO] [stdout] 74 +         "3d-ice" => Box::new(format::ThreeDICE) as Box<dyn Format>,
[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 7.79s
[INFO] running `Command { std: "docker" "inspect" "9e706a31f1756576e305d536d361fc3a21c7db014cf6ddc85942eec55ef23897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e706a31f1756576e305d536d361fc3a21c7db014cf6ddc85942eec55ef23897", kill_on_drop: false }`
[INFO] [stdout] 9e706a31f1756576e305d536d361fc3a21c7db014cf6ddc85942eec55ef23897
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 87c00f552eeec0cd85eba118e7103ca3baf9c8b60dfe50bb75d8b199bf20327e
[INFO] running `Command { std: "docker" "start" "-a" "87c00f552eeec0cd85eba118e7103ca3baf9c8b60dfe50bb75d8b199bf20327e", kill_on_drop: false }`
[INFO] [stderr]    Compiling planner v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib/format/mod.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn write(&self, &[Element], &mut Write) -> Result<()>;
[INFO] [stdout]    |                     ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[Element]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib/format/mod.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn write(&self, &[Element], &mut Write) -> Result<()>;
[INFO] [stdout]    |                                 ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/lib/layout/mod.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn construct(&self, &Configuration) -> Result<Vec<Element>>;
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Configuration`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/format/mod.rs:11:38
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn write(&self, &[Element], &mut Write) -> 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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 -     fn write(&self, &[Element], &mut Write) -> Result<()>;
[INFO] [stdout] 11 +     fn write(&self, &[Element], &mut dyn Write) -> Result<()>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/format/svg.rs:44:56
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn write(&self, elements: &[Element], writer: &mut Write) -> Result<()> {
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 -     fn write(&self, elements: &[Element], writer: &mut Write) -> Result<()> {
[INFO] [stdout] 44 +     fn write(&self, elements: &[Element], writer: &mut dyn Write) -> Result<()> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/format/threed_ice.rs:21:56
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn write(&self, elements: &[Element], writer: &mut Write) -> Result<()> {
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 -     fn write(&self, elements: &[Element], writer: &mut Write) -> Result<()> {
[INFO] [stdout] 21 +     fn write(&self, elements: &[Element], writer: &mut dyn Write) -> Result<()> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib/format/mod.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn write(&self, &[Element], &mut Write) -> Result<()>;
[INFO] [stdout]    |                     ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[Element]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib/format/mod.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn write(&self, &[Element], &mut Write) -> Result<()>;
[INFO] [stdout]    |                                 ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/lib/layout/mod.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn construct(&self, &Configuration) -> Result<Vec<Element>>;
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Configuration`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/format/mod.rs:11:38
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn write(&self, &[Element], &mut Write) -> 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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 -     fn write(&self, &[Element], &mut Write) -> Result<()>;
[INFO] [stdout] 11 +     fn write(&self, &[Element], &mut dyn Write) -> Result<()>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/format/svg.rs:44:56
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn write(&self, elements: &[Element], writer: &mut Write) -> Result<()> {
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 -     fn write(&self, elements: &[Element], writer: &mut Write) -> Result<()> {
[INFO] [stdout] 44 +     fn write(&self, elements: &[Element], writer: &mut dyn Write) -> Result<()> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/format/threed_ice.rs:21:56
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn write(&self, elements: &[Element], writer: &mut Write) -> Result<()> {
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 -     fn write(&self, elements: &[Element], writer: &mut Write) -> Result<()> {
[INFO] [stdout] 21 +     fn write(&self, elements: &[Element], writer: &mut dyn Write) -> Result<()> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] [stderr]   Executable unittests src/lib/planner.rs (/opt/rustwide/target/debug/deps/planner-f3b6bf2030b69692)
[INFO] running `Command { std: "docker" "inspect" "87c00f552eeec0cd85eba118e7103ca3baf9c8b60dfe50bb75d8b199bf20327e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c00f552eeec0cd85eba118e7103ca3baf9c8b60dfe50bb75d8b199bf20327e", kill_on_drop: false }`
[INFO] [stdout] 87c00f552eeec0cd85eba118e7103ca3baf9c8b60dfe50bb75d8b199bf20327e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 4be2a7c54f60ea82e0b40e4614b671b0253b1c154e5fac4bfa8120a3fdf9a2a7
[INFO] running `Command { std: "docker" "start" "-a" "4be2a7c54f60ea82e0b40e4614b671b0253b1c154e5fac4bfa8120a3fdf9a2a7", kill_on_drop: false }`
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/lib/format/mod.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn write(&self, &[Element], &mut Write) -> Result<()>;
[INFO] [stderr]    |                     ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[Element]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/lib/format/mod.rs:11:33
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn write(&self, &[Element], &mut Write) -> Result<()>;
[INFO] [stderr]    |                                 ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Write`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]  --> src/lib/layout/mod.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn construct(&self, &Configuration) -> Result<Vec<Element>>;
[INFO] [stderr]   |                         ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Configuration`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib/format/mod.rs:11:38
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn write(&self, &[Element], &mut Write) -> 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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 11 -     fn write(&self, &[Element], &mut Write) -> Result<()>;
[INFO] [stderr] 11 +     fn write(&self, &[Element], &mut dyn Write) -> Result<()>;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib/format/svg.rs:44:56
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn write(&self, elements: &[Element], writer: &mut Write) -> Result<()> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 44 -     fn write(&self, elements: &[Element], writer: &mut Write) -> Result<()> {
[INFO] [stderr] 44 +     fn write(&self, elements: &[Element], writer: &mut dyn Write) -> Result<()> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib/format/threed_ice.rs:21:56
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn write(&self, elements: &[Element], writer: &mut Write) -> Result<()> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 21 -     fn write(&self, elements: &[Element], writer: &mut Write) -> Result<()> {
[INFO] [stderr] 21 +     fn write(&self, elements: &[Element], writer: &mut dyn Write) -> Result<()> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `planner` (lib) generated 6 warnings
[INFO] [stderr] warning: `planner` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib/planner.rs (/opt/rustwide/target/debug/deps/planner-f3b6bf2030b69692)
[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] [stderr]    Doc-tests planner
[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" "4be2a7c54f60ea82e0b40e4614b671b0253b1c154e5fac4bfa8120a3fdf9a2a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4be2a7c54f60ea82e0b40e4614b671b0253b1c154e5fac4bfa8120a3fdf9a2a7", kill_on_drop: false }`
[INFO] [stdout] 4be2a7c54f60ea82e0b40e4614b671b0253b1c154e5fac4bfa8120a3fdf9a2a7