[INFO] cloning repository https://github.com/michaelrevans/diamond
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaelrevans/diamond" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelrevans%2Fdiamond", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelrevans%2Fdiamond'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3fd726d76f716f8b1f32bd3ac44b1a5696e3615
[INFO] checking michaelrevans/diamond against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelrevans%2Fdiamond" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michaelrevans/diamond on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michaelrevans/diamond
[INFO] finished tweaking git repo https://github.com/michaelrevans/diamond
[INFO] tweaked toml for git repo https://github.com/michaelrevans/diamond written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/michaelrevans/diamond already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3c526a1b30d9acec622541c287f76480aa3837afbb285b1b93fa90f25f7a5f4
[INFO] running `Command { std: "docker" "start" "-a" "c3c526a1b30d9acec622541c287f76480aa3837afbb285b1b93fa90f25f7a5f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3c526a1b30d9acec622541c287f76480aa3837afbb285b1b93fa90f25f7a5f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3c526a1b30d9acec622541c287f76480aa3837afbb285b1b93fa90f25f7a5f4", kill_on_drop: false }`
[INFO] [stdout] c3c526a1b30d9acec622541c287f76480aa3837afbb285b1b93fa90f25f7a5f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fddf6f6eefd1a113ea003bd7ae5781192bc581ea4b97cbb16df6da1cd5b012e
[INFO] running `Command { std: "docker" "start" "-a" "7fddf6f6eefd1a113ea003bd7ae5781192bc581ea4b97cbb16df6da1cd5b012e", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking diamonds v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: the feature `assoc_char_funcs` has been stable since 1.52.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(assoc_char_funcs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/main.rs (1 fix)
[INFO] [stdout] warning: the feature `assoc_char_funcs` has been stable since 1.52.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(assoc_char_funcs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking diamonds v0.1.0 (/tmp/fixit)
[INFO] [stdout] error[E0425]: cannot find function `diamond` in this scope
[INFO] [stdout]   --> src/main.rs:48:20
[INFO] [stdout]    |
[INFO] [stdout] 48 |         assert_eq!(diamond('A').split("\n").collect::<Vec<&str>>()[0], "A");
[INFO] [stdout]    |                    ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 47 |     use crate::diamond;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `diamond` in this scope
[INFO] [stdout]   --> src/main.rs:53:20
[INFO] [stdout]    |
[INFO] [stdout] 53 |         assert_eq!(diamond('B').split("\n").collect::<Vec<&str>>()[0], " A");
[INFO] [stdout]    |                    ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 47 |     use crate::diamond;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `diamond` in this scope
[INFO] [stdout]   --> src/main.rs:58:20
[INFO] [stdout]    |
[INFO] [stdout] 58 |         assert_eq!(diamond('C').split("\n").collect::<Vec<&str>>()[0], "  A");
[INFO] [stdout]    |                    ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 47 |     use crate::diamond;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `diamond` in this scope
[INFO] [stdout]   --> src/main.rs:63:20
[INFO] [stdout]    |
[INFO] [stdout] 63 |         assert_eq!(diamond('A').split("\n").collect::<Vec<&str>>()[1], "");
[INFO] [stdout]    |                    ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 47 |     use crate::diamond;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `diamond` in this scope
[INFO] [stdout]   --> src/main.rs:68:20
[INFO] [stdout]    |
[INFO] [stdout] 68 |         assert_eq!(diamond('B').split("\n").collect::<Vec<&str>>()[1], "B B");
[INFO] [stdout]    |                    ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 47 |     use crate::diamond;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `diamond` in this scope
[INFO] [stdout]   --> src/main.rs:73:20
[INFO] [stdout]    |
[INFO] [stdout] 73 |         assert_eq!(diamond('C').split("\n").collect::<Vec<&str>>()[1], " B B");
[INFO] [stdout]    |                    ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 47 |     use crate::diamond;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `diamond` in this scope
[INFO] [stdout]   --> src/main.rs:78:20
[INFO] [stdout]    |
[INFO] [stdout] 78 |         assert_eq!(diamond('C').split("\n").collect::<Vec<&str>>()[2], "C   C");
[INFO] [stdout]    |                    ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 47 |     use crate::diamond;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `diamond` in this scope
[INFO] [stdout]   --> src/main.rs:83:20
[INFO] [stdout]    |
[INFO] [stdout] 83 |         assert_eq!(diamond('D').split("\n").collect::<Vec<&str>>()[2], " C   C");
[INFO] [stdout]    |                    ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 47 |     use crate::diamond;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `diamond` in this scope
[INFO] [stdout]   --> src/main.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |             diamond('D').split("\n").collect::<Vec<&str>>()[3],
[INFO] [stdout]    |             ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 47 |     use crate::diamond;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `generate_line` in this scope
[INFO] [stdout]   --> src/main.rs:96:20
[INFO] [stdout]    |
[INFO] [stdout] 96 |         assert_eq!(generate_line('A'), "A");
[INFO] [stdout]    |                    ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 47 |     use crate::generate_line;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `generate_line` in this scope
[INFO] [stdout]    --> src/main.rs:101:20
[INFO] [stdout]     |
[INFO] [stdout] 95  |     fn generate_line_a() {
[INFO] [stdout]     |     -------------------- similarly named constant `generate_line_a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 101 |         assert_eq!(generate_line('B'), "B B");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a constant with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 101 |         assert_eq!(generate_line_a('B'), "B B");
[INFO] [stdout]     |                    ~~~~~~~~~~~~~~~
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 47  |     use crate::generate_line;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `generate_line` in this scope
[INFO] [stdout]    --> src/main.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 95  |     fn generate_line_a() {
[INFO] [stdout]     |     -------------------- similarly named constant `generate_line_a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 106 |         assert_eq!(generate_line('C'), "C   C");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a constant with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 106 |         assert_eq!(generate_line_a('C'), "C   C");
[INFO] [stdout]     |                    ~~~~~~~~~~~~~~~
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 47  |     use crate::generate_line;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `diamond` in this scope
[INFO] [stdout]    --> src/main.rs:111:20
[INFO] [stdout]     |
[INFO] [stdout] 111 |         assert_eq!(diamond('B').split("\n").collect::<Vec<&str>>()[2], " A");
[INFO] [stdout]     |                    ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 47  |     use crate::diamond;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `diamond` in this scope
[INFO] [stdout]    --> src/main.rs:116:20
[INFO] [stdout]     |
[INFO] [stdout] 116 |         assert_eq!(diamond('C').split("\n").collect::<Vec<&str>>()[3], " B B");
[INFO] [stdout]     |                    ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 47  |     use crate::diamond;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `assoc_char_funcs` has been stable since 1.52.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(assoc_char_funcs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `diamonds` due to 15 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to check after updating to 2021
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "7fddf6f6eefd1a113ea003bd7ae5781192bc581ea4b97cbb16df6da1cd5b012e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fddf6f6eefd1a113ea003bd7ae5781192bc581ea4b97cbb16df6da1cd5b012e", kill_on_drop: false }`
[INFO] [stdout] 7fddf6f6eefd1a113ea003bd7ae5781192bc581ea4b97cbb16df6da1cd5b012e