[INFO] cloning repository https://github.com/rems-project/diffable-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rems-project/diffable-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frems-project%2Fdiffable-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frems-project%2Fdiffable-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e10c8aea60891e13617ed072596037427ad8a3eb
[INFO] testing rems-project/diffable-rs against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frems-project%2Fdiffable-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/rems-project/diffable-rs
[INFO] finished tweaking git repo https://github.com/rems-project/diffable-rs
[INFO] tweaked toml for git repo https://github.com/rems-project/diffable-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rems-project/diffable-rs on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rems-project/diffable-rs 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13f8adf228c37c5114dde208bddbb708905a44a960c892140a662d233ff59c49
[INFO] running `Command { std: "docker" "start" "-a" "13f8adf228c37c5114dde208bddbb708905a44a960c892140a662d233ff59c49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13f8adf228c37c5114dde208bddbb708905a44a960c892140a662d233ff59c49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13f8adf228c37c5114dde208bddbb708905a44a960c892140a662d233ff59c49", kill_on_drop: false }`
[INFO] [stdout] 13f8adf228c37c5114dde208bddbb708905a44a960c892140a662d233ff59c49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fa6f71986ca862438a1959c5631086f61c1b1ff0c5ee092810a4f066ba371a4
[INFO] running `Command { std: "docker" "start" "-a" "8fa6f71986ca862438a1959c5631086f61c1b1ff0c5ee092810a4f066ba371a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.102
[INFO] [stderr]    Compiling diffable-macros v0.1.0 (/opt/rustwide/workdir/diffable-macros)
[INFO] [stderr]    Compiling diffable v0.1.0 (/opt/rustwide/workdir/diffable)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.92s
[INFO] running `Command { std: "docker" "inspect" "8fa6f71986ca862438a1959c5631086f61c1b1ff0c5ee092810a4f066ba371a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa6f71986ca862438a1959c5631086f61c1b1ff0c5ee092810a4f066ba371a4", kill_on_drop: false }`
[INFO] [stdout] 8fa6f71986ca862438a1959c5631086f61c1b1ff0c5ee092810a4f066ba371a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0db005b170b24cb4c606ab6b015dd8230f1ae267a6806dd1f581b39b940242c
[INFO] running `Command { std: "docker" "start" "-a" "a0db005b170b24cb4c606ab6b015dd8230f1ae267a6806dd1f581b39b940242c", kill_on_drop: false }`
[INFO] [stderr]    Compiling diffable-macros v0.1.0 (/opt/rustwide/workdir/diffable-macros)
[INFO] [stderr]    Compiling diffable v0.1.0 (/opt/rustwide/workdir/diffable)
[INFO] [stderr]    Compiling examples v0.1.0 (/opt/rustwide/workdir/examples)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.92s
[INFO] running `Command { std: "docker" "inspect" "a0db005b170b24cb4c606ab6b015dd8230f1ae267a6806dd1f581b39b940242c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0db005b170b24cb4c606ab6b015dd8230f1ae267a6806dd1f581b39b940242c", kill_on_drop: false }`
[INFO] [stdout] a0db005b170b24cb4c606ab6b015dd8230f1ae267a6806dd1f581b39b940242c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b196c98c6f2b2b187dce0d177633568b3bdd0009a5ece7aeaf7835f2df5dfa17
[INFO] running `Command { std: "docker" "start" "-a" "b196c98c6f2b2b187dce0d177633568b3bdd0009a5ece7aeaf7835f2df5dfa17", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/diffable-beb96abb3711eab1)
[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]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/diffable_macros-a495e8e36d3342bb)
[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 diffable
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test diffable/src/lib.rs - (line 4) ... FAILED
[INFO] [stdout] test diffable/src/display/mod.rs - display (line 10) ... FAILED
[INFO] [stdout] test diffable/src/lib.rs - Diffable (line 40) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- diffable/src/lib.rs - (line 4) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `Difference` in this scope
[INFO] [stdout]  --> diffable/src/lib.rs:7:43
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn diff(&'l self, other: &'l Self) -> Difference<&'l Self, Self::Diff>;
[INFO] [stdout]   |                                           ^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::collections::btree_set::Difference;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::collections::hash_set::Difference;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use diffable::Difference;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- diffable/src/display/mod.rs - display (line 10) stdout ----
[INFO] [stdout] error: expected identifier, found `-`
[INFO] [stdout]  --> diffable/src/display/mod.rs:14:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     DiffFoo {
[INFO] [stdout]   |     ------- while parsing this struct
[INFO] [stdout] 5 |         x: 17,
[INFO] [stdout] 6 |            --
[INFO] [stdout]   |            ^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `F` in this scope
[INFO] [stdout]  --> diffable/src/display/mod.rs:11:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | F(
[INFO] [stdout]   | ^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: you might be missing a const parameter
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_diffable_src_display_mod_rs_10_0<const F: /* Type */>() {
[INFO] [stdout]   |                                                                                       +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `DiffFoo` in this scope
[INFO] [stdout]  --> diffable/src/display/mod.rs:12:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     DiffFoo {
[INFO] [stdout]   |     ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- diffable/src/lib.rs - Diffable (line 40) stdout ----
[INFO] [stdout] error: 1 positional argument in format string, but no arguments were given
[INFO] [stdout]  --> diffable/src/lib.rs:44:30
[INFO] [stdout]   |
[INFO] [stdout] 6 | println!("the difference is: {:?}");
[INFO] [stdout]   |                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `diff` found for reference `&Vec<{integer}>` in the current scope
[INFO] [stdout]  --> diffable/src/lib.rs:43:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | let d = (&bar).diff(&foo);
[INFO] [stdout]   |                ^^^^ method not found in `&Vec<{integer}>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     diffable/src/display/mod.rs - display (line 10)
[INFO] [stdout]     diffable/src/lib.rs - (line 4)
[INFO] [stdout]     diffable/src/lib.rs - Diffable (line 40)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `-p diffable --doc`
[INFO] running `Command { std: "docker" "inspect" "b196c98c6f2b2b187dce0d177633568b3bdd0009a5ece7aeaf7835f2df5dfa17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b196c98c6f2b2b187dce0d177633568b3bdd0009a5ece7aeaf7835f2df5dfa17", kill_on_drop: false }`
[INFO] [stdout] b196c98c6f2b2b187dce0d177633568b3bdd0009a5ece7aeaf7835f2df5dfa17
