[INFO] cloning repository https://github.com/arjandepooter/advent-of-code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arjandepooter/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farjandepooter%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farjandepooter%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afe8336794feb4f6781ee124fa93643958bdf4bb
[INFO] checking arjandepooter/advent-of-code-2020 against master#89a99936d9e76a50e8df622e7242190841fd871b for pr-156160-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farjandepooter%2Fadvent-of-code-2020" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/arjandepooter/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/arjandepooter/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/arjandepooter/advent-of-code-2020 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/arjandepooter/advent-of-code-2020 on toolchain 89a99936d9e76a50e8df622e7242190841fd871b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+89a99936d9e76a50e8df622e7242190841fd871b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/arjandepooter/advent-of-code-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+89a99936d9e76a50e8df622e7242190841fd871b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded either v1.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:fd22e2154e7db748230f413534f3a6d034160c9d2b7c14b90fba4e9bfc1a36d4" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ceae1b56a4c9a80d05f7e81b94fc502f621c79bbcdf3290edf3d1cb8fb0d47a9
[INFO] running `Command { std: "docker" "start" "ceae1b56a4c9a80d05f7e81b94fc502f621c79bbcdf3290edf3d1cb8fb0d47a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ceae1b56a4c9a80d05f7e81b94fc502f621c79bbcdf3290edf3d1cb8fb0d47a9" "/opt/rustwide/cargo-home/bin/cargo" "+89a99936d9e76a50e8df622e7242190841fd871b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ceae1b56a4c9a80d05f7e81b94fc502f621c79bbcdf3290edf3d1cb8fb0d47a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ceae1b56a4c9a80d05f7e81b94fc502f621c79bbcdf3290edf3d1cb8fb0d47a9" "/opt/rustwide/cargo-home/bin/cargo" "+89a99936d9e76a50e8df622e7242190841fd871b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking day05 v0.1.0 (/opt/rustwide/workdir/day05)
[INFO] [stderr]     Checking day03 v0.1.0 (/opt/rustwide/workdir/day03)
[INFO] [stderr]     Checking day01 v0.1.0 (/opt/rustwide/workdir/day01)
[INFO] [stderr]     Checking day02 v0.1.0 (/opt/rustwide/workdir/day02)
[INFO] [stderr]     Checking day04 v0.1.0 (/opt/rustwide/workdir/day04)
[INFO] [stdout] warning: the feature `str_split_once` has been stable since 1.52.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> day04/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_split_once)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `str_split_once` has been stable since 1.52.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> day04/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_split_once)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `str_split_once` has been stable since 1.52.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> day02/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_split_once)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `str_split_once` has been stable since 1.52.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> day02/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_split_once)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking shared v0.1.0 (/opt/rustwide/workdir/shared)
[INFO] [stdout] error[E0437]: type `Ok` is not a member of trait `Try`
[INFO] [stdout]   --> shared/src/foldresult.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     type Ok = T;
[INFO] [stdout]    |     ^^^^^^^^^^^^ not a member of trait `Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0437]: type `Error` is not a member of trait `Try`
[INFO] [stdout]   --> shared/src/foldresult.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     type Error = T;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ not a member of trait `Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `into_result` is not a member of trait `Try`
[INFO] [stdout]   --> shared/src/foldresult.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     fn into_result(self) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout] 24 | |         match self {
[INFO] [stdout] 25 | |             FoldResult::Continue(v) => Ok(v),
[INFO] [stdout] 26 | |             FoldResult::Stop(v) => Err(v),
[INFO] [stdout] 27 | |         }
[INFO] [stdout] 28 | |     }
[INFO] [stdout]    | |_____^ not a member of trait `Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `from_error` is not a member of trait `Try`
[INFO] [stdout]   --> shared/src/foldresult.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | /     fn from_error(v: Self::Error) -> Self {
[INFO] [stdout] 31 | |         FoldResult::Stop(v)
[INFO] [stdout] 32 | |     }
[INFO] [stdout]    | |_____^ not a member of trait `Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `from_ok` is not a member of trait `Try`
[INFO] [stdout]   --> shared/src/foldresult.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | /     fn from_ok(v: Self::Ok) -> Self {
[INFO] [stdout] 35 | |         FoldResult::Continue(v)
[INFO] [stdout] 36 | |     }
[INFO] [stdout]    | |_____^ not a member of trait `Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: feature `try_trait` has been renamed to `try_trait_v2`
[INFO] [stdout]  --> shared/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2`
[INFO] [stdout]  --> shared/src/foldresult.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Try;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout]   = help: add `#![feature(try_trait_v2)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2`
[INFO] [stdout]   --> shared/src/foldresult.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<T> Try for FoldResult<T> {
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout]    = help: add `#![feature(try_trait_v2)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Ok` not found for `Self`
[INFO] [stdout]   --> shared/src/foldresult.rs:23:42
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn into_result(self) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]    |                                          ^^ associated type `Ok` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Error` not found for `Self`
[INFO] [stdout]   --> shared/src/foldresult.rs:23:52
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn into_result(self) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]    |                                                    ^^^^^ associated type `Error` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Error` not found for `Self`
[INFO] [stdout]   --> shared/src/foldresult.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn from_error(v: Self::Error) -> Self {
[INFO] [stdout]    |                            ^^^^^ associated type `Error` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Ok` not found for `Self`
[INFO] [stdout]   --> shared/src/foldresult.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn from_ok(v: Self::Ok) -> Self {
[INFO] [stdout]    |                         ^^ associated type `Ok` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0437]: type `Ok` is not a member of trait `Try`
[INFO] [stdout]   --> shared/src/foldresult.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     type Ok = T;
[INFO] [stdout]    |     ^^^^^^^^^^^^ not a member of trait `Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0437]: type `Error` is not a member of trait `Try`
[INFO] [stdout]   --> shared/src/foldresult.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     type Error = T;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ not a member of trait `Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `into_result` is not a member of trait `Try`
[INFO] [stdout]   --> shared/src/foldresult.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     fn into_result(self) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout] 24 | |         match self {
[INFO] [stdout] 25 | |             FoldResult::Continue(v) => Ok(v),
[INFO] [stdout] 26 | |             FoldResult::Stop(v) => Err(v),
[INFO] [stdout] 27 | |         }
[INFO] [stdout] 28 | |     }
[INFO] [stdout]    | |_____^ not a member of trait `Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `from_error` is not a member of trait `Try`
[INFO] [stdout]   --> shared/src/foldresult.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | /     fn from_error(v: Self::Error) -> Self {
[INFO] [stdout] 31 | |         FoldResult::Stop(v)
[INFO] [stdout] 32 | |     }
[INFO] [stdout]    | |_____^ not a member of trait `Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `from_ok` is not a member of trait `Try`
[INFO] [stdout]   --> shared/src/foldresult.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | /     fn from_ok(v: Self::Ok) -> Self {
[INFO] [stdout] 35 | |         FoldResult::Continue(v)
[INFO] [stdout] 36 | |     }
[INFO] [stdout]    | |_____^ not a member of trait `Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: feature `try_trait` has been renamed to `try_trait_v2`
[INFO] [stdout]  --> shared/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2`
[INFO] [stdout]  --> shared/src/foldresult.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Try;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout]   = help: add `#![feature(try_trait_v2)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2`
[INFO] [stdout]   --> shared/src/foldresult.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<T> Try for FoldResult<T> {
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout]    = help: add `#![feature(try_trait_v2)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Ok` not found for `Self`
[INFO] [stdout]   --> shared/src/foldresult.rs:23:42
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn into_result(self) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]    |                                          ^^ associated type `Ok` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Error` not found for `Self`
[INFO] [stdout]   --> shared/src/foldresult.rs:23:52
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn into_result(self) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]    |                                                    ^^^^^ associated type `Error` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Error` not found for `Self`
[INFO] [stdout]   --> shared/src/foldresult.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn from_error(v: Self::Error) -> Self {
[INFO] [stdout]    |                            ^^^^^ associated type `Error` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Ok` not found for `Self`
[INFO] [stdout]   --> shared/src/foldresult.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn from_ok(v: Self::Ok) -> Self {
[INFO] [stdout]    |                         ^^ associated type `Ok` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `Output`, `Residual`, `from_output`, `branch`
[INFO] [stdout]   --> shared/src/foldresult.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<T> Try for FoldResult<T> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `Output`, `Residual`, `from_output`, `branch` in implementation
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement the missing item: `type Output = /* Type */;`
[INFO] [stdout]    = help: implement the missing item: `type Residual = /* Type */;`
[INFO] [stdout]    = help: implement the missing item: `fn from_output(_: <Self as Try>::Output) -> Self { todo!() }`
[INFO] [stdout]    = help: implement the missing item: `fn branch(self) -> ControlFlow<<Self as Try>::Residual, <Self as Try>::Output> { todo!() }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `Output`, `Residual`, `from_output`, `branch`
[INFO] [stdout]   --> shared/src/foldresult.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<T> Try for FoldResult<T> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `Output`, `Residual`, `from_output`, `branch` in implementation
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement the missing item: `type Output = /* Type */;`
[INFO] [stdout]    = help: implement the missing item: `type Residual = /* Type */;`
[INFO] [stdout]    = help: implement the missing item: `fn from_output(_: <Self as Try>::Output) -> Self { todo!() }`
[INFO] [stdout]    = help: implement the missing item: `fn branch(self) -> ControlFlow<<Self as Try>::Residual, <Self as Try>::Output> { todo!() }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0220, E0407, E0437, E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0220, E0407, E0437, E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shared` (lib) due to 13 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `shared` (lib test) due to 13 previous errors
[INFO] running `Command { std: "docker" "inspect" "ceae1b56a4c9a80d05f7e81b94fc502f621c79bbcdf3290edf3d1cb8fb0d47a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceae1b56a4c9a80d05f7e81b94fc502f621c79bbcdf3290edf3d1cb8fb0d47a9", kill_on_drop: false }`
[INFO] [stdout] ceae1b56a4c9a80d05f7e81b94fc502f621c79bbcdf3290edf3d1cb8fb0d47a9
