[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 master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearning-on-chip%2Fplanner" "/workspace/builds/worker-54/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/learning-on-chip/planner on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-54/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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d24d4f1af52a7af7c221e2bf0ff1c673ea9165a82daca64e2c7e330bc7ce2ed
[INFO] running `Command { std: "docker" "start" "-a" "3d24d4f1af52a7af7c221e2bf0ff1c673ea9165a82daca64e2c7e330bc7ce2ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d24d4f1af52a7af7c221e2bf0ff1c673ea9165a82daca64e2c7e330bc7ce2ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d24d4f1af52a7af7c221e2bf0ff1c673ea9165a82daca64e2c7e330bc7ce2ed", kill_on_drop: false }`
[INFO] [stdout] 3d24d4f1af52a7af7c221e2bf0ff1c673ea9165a82daca64e2c7e330bc7ce2ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59a4265ae88b7b064895d9c8413d84bf7fafdac520d5cbb6de3d2768c05ade98
[INFO] running `Command { std: "docker" "start" "-a" "59a4265ae88b7b064895d9c8413d84bf7fafdac520d5cbb6de3d2768c05ade98", 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 term v0.4.6
[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: 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]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[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] 
[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]    |                                                        ^^^^^ help: use `dyn`: `dyn Write`
[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] 
[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]    |                                                        ^^^^^ help: use `dyn`: `dyn Write`
[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] 
[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: 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]    |                                               ^^^^^^ help: use `dyn`: `dyn Format`
[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] 
[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]    |                                                        ^^^^^^ help: use `dyn`: `dyn Format`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "59a4265ae88b7b064895d9c8413d84bf7fafdac520d5cbb6de3d2768c05ade98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59a4265ae88b7b064895d9c8413d84bf7fafdac520d5cbb6de3d2768c05ade98", kill_on_drop: false }`
[INFO] [stdout] 59a4265ae88b7b064895d9c8413d84bf7fafdac520d5cbb6de3d2768c05ade98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7c44a1be629a2db3b33c65495a8ae1000783603e3ceb593ea084e5b6170f362
[INFO] running `Command { std: "docker" "start" "-a" "f7c44a1be629a2db3b33c65495a8ae1000783603e3ceb593ea084e5b6170f362", kill_on_drop: false }`
[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] [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:11:33
[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: 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]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[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] 
[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]    |                                                        ^^^^^ help: use `dyn`: `dyn Write`
[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] 
[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]    |                                                        ^^^^^ help: use `dyn`: `dyn Write`
[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] 
[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: 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: 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]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[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] 
[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]    |                                                        ^^^^^ help: use `dyn`: `dyn Write`
[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] 
[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]    |                                                        ^^^^^ help: use `dyn`: `dyn Write`
[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] 
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "f7c44a1be629a2db3b33c65495a8ae1000783603e3ceb593ea084e5b6170f362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7c44a1be629a2db3b33c65495a8ae1000783603e3ceb593ea084e5b6170f362", kill_on_drop: false }`
[INFO] [stdout] f7c44a1be629a2db3b33c65495a8ae1000783603e3ceb593ea084e5b6170f362
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f2360ec006d548947c0c4ffb6d856b0f86823002c372bc031517556250ac971
[INFO] running `Command { std: "docker" "start" "-a" "0f2360ec006d548947c0c4ffb6d856b0f86823002c372bc031517556250ac971", 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: 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]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[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] 
[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]    |                                                        ^^^^^ help: use `dyn`: `dyn Write`
[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] 
[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]    |                                                        ^^^^^ help: use `dyn`: `dyn Write`
[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] 
[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: `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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/planner-4cae7a4d613665e2)
[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" "0f2360ec006d548947c0c4ffb6d856b0f86823002c372bc031517556250ac971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f2360ec006d548947c0c4ffb6d856b0f86823002c372bc031517556250ac971", kill_on_drop: false }`
[INFO] [stdout] 0f2360ec006d548947c0c4ffb6d856b0f86823002c372bc031517556250ac971