[INFO] cloning repository https://github.com/kokihonda/the_money_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kokihonda/the_money_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkokihonda%2Fthe_money_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkokihonda%2Fthe_money_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77b5ee842b427a0706731a882e48d21245956d81
[INFO] testing kokihonda/the_money_example against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkokihonda%2Fthe_money_example" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kokihonda/the_money_example on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kokihonda/the_money_example
[INFO] finished tweaking git repo https://github.com/kokihonda/the_money_example
[INFO] tweaked toml for git repo https://github.com/kokihonda/the_money_example written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/kokihonda/the_money_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 857714631bef0a85f9bc5fb0e11b2b16973c59336510255cf2f33f886b60cbca
[INFO] running `Command { std: "docker" "start" "-a" "857714631bef0a85f9bc5fb0e11b2b16973c59336510255cf2f33f886b60cbca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "857714631bef0a85f9bc5fb0e11b2b16973c59336510255cf2f33f886b60cbca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "857714631bef0a85f9bc5fb0e11b2b16973c59336510255cf2f33f886b60cbca", kill_on_drop: false }`
[INFO] [stdout] 857714631bef0a85f9bc5fb0e11b2b16973c59336510255cf2f33f886b60cbca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53d79f1aef066340f3585ae84d25c6af11897b1f01da476e74e6a28aa1fa948e
[INFO] running `Command { std: "docker" "start" "-a" "53d79f1aef066340f3585ae84d25c6af11897b1f01da476e74e6a28aa1fa948e", kill_on_drop: false }`
[INFO] [stderr]    Compiling the_money_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |     augend: Box<Expression>,
[INFO] [stdout]     |                 ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |     addend: Box<Expression>,
[INFO] [stdout]     |                 ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:136:24
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn new(augend: Box<Expression>, addend: Box<Expression>) -> Sum {
[INFO] [stdout]     |                        ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:136:49
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn new(augend: Box<Expression>, addend: Box<Expression>) -> Sum {
[INFO] [stdout]     |                                                 ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:160:15
[INFO] [stdout]     |
[INFO] [stdout] 160 | impl Add <Box<Expression>> for Sum {
[INFO] [stdout]     |               ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:162:29
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn add(self, other: Box<Expression>) -> Sum {
[INFO] [stdout]     |                             ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `USD`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     USD,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CHE`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     CHE,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn new(x: u32, currecy: Currency) -> Money {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dollar`
[INFO] [stdout]   --> src/lib.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn dollar(x: u32) -> Money {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `franc`
[INFO] [stdout]   --> src/lib.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn franc(x: u32) -> Money {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn new() -> Bank {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reduced`
[INFO] [stdout]    --> src/lib.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn reduced<T> (&self, source: T, currency: Currency) -> Money 
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_rate`
[INFO] [stdout]    --> src/lib.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn add_rate (&mut self, from: Currency, to: Currency, rate: u32) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn new(augend: Box<Expression>, addend: Box<Expression>) -> Sum {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "53d79f1aef066340f3585ae84d25c6af11897b1f01da476e74e6a28aa1fa948e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53d79f1aef066340f3585ae84d25c6af11897b1f01da476e74e6a28aa1fa948e", kill_on_drop: false }`
[INFO] [stdout] 53d79f1aef066340f3585ae84d25c6af11897b1f01da476e74e6a28aa1fa948e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0aea4214aa6a8fe542b2185ec98049778926a25cab83458c0cbdf4d56d6f6f33
[INFO] running `Command { std: "docker" "start" "-a" "0aea4214aa6a8fe542b2185ec98049778926a25cab83458c0cbdf4d56d6f6f33", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |     augend: Box<Expression>,
[INFO] [stdout]     |                 ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |     addend: Box<Expression>,
[INFO] [stdout]     |                 ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:136:24
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn new(augend: Box<Expression>, addend: Box<Expression>) -> Sum {
[INFO] [stdout]     |                        ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:136:49
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn new(augend: Box<Expression>, addend: Box<Expression>) -> Sum {
[INFO] [stdout]     |                                                 ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:160:15
[INFO] [stdout]     |
[INFO] [stdout] 160 | impl Add <Box<Expression>> for Sum {
[INFO] [stdout]     |               ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:162:29
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn add(self, other: Box<Expression>) -> Sum {
[INFO] [stdout]     |                             ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `USD`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     USD,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CHE`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     CHE,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn new(x: u32, currecy: Currency) -> Money {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dollar`
[INFO] [stdout]   --> src/lib.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn dollar(x: u32) -> Money {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `franc`
[INFO] [stdout]   --> src/lib.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn franc(x: u32) -> Money {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn new() -> Bank {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reduced`
[INFO] [stdout]    --> src/lib.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn reduced<T> (&self, source: T, currency: Currency) -> Money 
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_rate`
[INFO] [stdout]    --> src/lib.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn add_rate (&mut self, from: Currency, to: Currency, rate: u32) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn new(augend: Box<Expression>, addend: Box<Expression>) -> Sum {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling the_money_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |     augend: Box<Expression>,
[INFO] [stdout]     |                 ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |     addend: Box<Expression>,
[INFO] [stdout]     |                 ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:136:24
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn new(augend: Box<Expression>, addend: Box<Expression>) -> Sum {
[INFO] [stdout]     |                        ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:136:49
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn new(augend: Box<Expression>, addend: Box<Expression>) -> Sum {
[INFO] [stdout]     |                                                 ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:160:15
[INFO] [stdout]     |
[INFO] [stdout] 160 | impl Add <Box<Expression>> for Sum {
[INFO] [stdout]     |               ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:162:29
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn add(self, other: Box<Expression>) -> Sum {
[INFO] [stdout]     |                             ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn new(x: u32, currecy: Currency) -> Money {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "0aea4214aa6a8fe542b2185ec98049778926a25cab83458c0cbdf4d56d6f6f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aea4214aa6a8fe542b2185ec98049778926a25cab83458c0cbdf4d56d6f6f33", kill_on_drop: false }`
[INFO] [stdout] 0aea4214aa6a8fe542b2185ec98049778926a25cab83458c0cbdf4d56d6f6f33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 692c10706a726056882c9e75e4928884e1ee96d4ec3f2c2898d6b7e1376efa7f
[INFO] running `Command { std: "docker" "start" "-a" "692c10706a726056882c9e75e4928884e1ee96d4ec3f2c2898d6b7e1376efa7f", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:130:17
[INFO] [stderr]     |
[INFO] [stderr] 130 |     augend: Box<Expression>,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:131:17
[INFO] [stderr]     |
[INFO] [stderr] 131 |     addend: Box<Expression>,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:136:24
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn new(augend: Box<Expression>, addend: Box<Expression>) -> Sum {
[INFO] [stderr]     |                        ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:136:49
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn new(augend: Box<Expression>, addend: Box<Expression>) -> Sum {
[INFO] [stderr]     |                                                 ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:160:15
[INFO] [stderr]     |
[INFO] [stderr] 160 | impl Add <Box<Expression>> for Sum {
[INFO] [stderr]     |               ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:162:29
[INFO] [stderr]     |
[INFO] [stderr] 162 |     fn add(self, other: Box<Expression>) -> Sum {
[INFO] [stderr]     |                             ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `USD`
[INFO] [stderr]  --> src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     USD,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CHE`
[INFO] [stderr]  --> src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     CHE,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stdout] running 9 tests
[INFO] [stderr]   --> src/lib.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn new(x: u32, currecy: Currency) -> Money {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `dollar`
[INFO] [stderr]   --> src/lib.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn dollar(x: u32) -> Money {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `franc`
[INFO] [stderr]   --> src/lib.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn franc(x: u32) -> Money {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/lib.rs:104:8
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn new() -> Bank {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `reduced`
[INFO] [stderr]    --> src/lib.rs:110:8
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn reduced<T> (&self, source: T, currency: Currency) -> Money 
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_rate`
[INFO] [stderr]    --> src/lib.rs:116:8
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fn add_rate (&mut self, from: Currency, to: Currency, rate: u32) {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/lib.rs:136:8
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn new(augend: Box<Expression>, addend: Box<Expression>) -> Sum {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:130:17
[INFO] [stderr]     |
[INFO] [stderr] 130 |     augend: Box<Expression>,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:131:17
[INFO] [stderr]     |
[INFO] [stderr] 131 |     addend: Box<Expression>,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:136:24
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn new(augend: Box<Expression>, addend: Box<Expression>) -> Sum {
[INFO] [stderr]     |                        ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:136:49
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn new(augend: Box<Expression>, addend: Box<Expression>) -> Sum {
[INFO] [stderr]     |                                                 ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:160:15
[INFO] [stderr]     |
[INFO] [stderr] 160 | impl Add <Box<Expression>> for Sum {
[INFO] [stderr]     |               ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:162:29
[INFO] [stderr]     |
[INFO] [stderr] 162 |     fn add(self, other: Box<Expression>) -> Sum {
[INFO] [stderr]     |                             ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/lib.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn new(x: u32, currecy: Currency) -> Money {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/the_money_example-3489df14b6bc50c2)
[INFO] [stdout] test test::eq_test ... ok
[INFO] [stdout] test test::mixed_add_test ... ok
[INFO] [stdout] test test::mul_test ... ok
[INFO] [stdout] test test::rate_test ... ok
[INFO] [stdout] test test::reduce_money_different_currency ... ok
[INFO] [stdout] test test::reduce_money_test ... ok
[INFO] [stdout] test test::reduce_sum_test ... ok
[INFO] [stdout] test test::sum_plus_money_test ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/the_money_example-f9922370c45ca354)
[INFO] [stdout] test test::sum_times_test ... ok
[INFO] [stderr]    Doc-tests the_money_example
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] [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" "692c10706a726056882c9e75e4928884e1ee96d4ec3f2c2898d6b7e1376efa7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "692c10706a726056882c9e75e4928884e1ee96d4ec3f2c2898d6b7e1376efa7f", kill_on_drop: false }`
[INFO] [stdout] 692c10706a726056882c9e75e4928884e1ee96d4ec3f2c2898d6b7e1376efa7f