[INFO] cloning repository https://github.com/sdsc-ordes/rust-workshop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sdsc-ordes/rust-workshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdsc-ordes%2Frust-workshop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdsc-ordes%2Frust-workshop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d0c14665da7fd48c92f98810a7cf64ca36b34e2
[INFO] checking sdsc-ordes/rust-workshop against try#81185c2d21df0ba45fd33e65bbdce76dc0d89bd9 for pr-139646
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdsc-ordes%2Frust-workshop" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sdsc-ordes/rust-workshop on toolchain 81185c2d21df0ba45fd33e65bbdce76dc0d89bd9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/sdsc-ordes/rust-workshop
[INFO] finished tweaking git repo https://github.com/sdsc-ordes/rust-workshop
[INFO] tweaked toml for git repo https://github.com/sdsc-ordes/rust-workshop written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sdsc-ordes/rust-workshop 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" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.19
[INFO] [stderr]   Downloaded serde_json v1.0.121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83c32f8b0a009c7974b2ce842321429a40e9826c4d718139b2aa3ce0798a8ed0
[INFO] running `Command { std: "docker" "start" "-a" "83c32f8b0a009c7974b2ce842321429a40e9826c4d718139b2aa3ce0798a8ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83c32f8b0a009c7974b2ce842321429a40e9826c4d718139b2aa3ce0798a8ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83c32f8b0a009c7974b2ce842321429a40e9826c4d718139b2aa3ce0798a8ed0", kill_on_drop: false }`
[INFO] [stdout] 83c32f8b0a009c7974b2ce842321429a40e9826c4d718139b2aa3ce0798a8ed0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9cfdf24aad4ced707c7eb8937e46144f59381d121db02220c460e5cc232a4b6
[INFO] running `Command { std: "docker" "start" "-a" "a9cfdf24aad4ced707c7eb8937e46144f59381d121db02220c460e5cc232a4b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]    Compiling serde_json v1.0.121
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking move-semantics v0.1.0 (/opt/rustwide/workdir/exercises/move-semantics)
[INFO] [stderr]     Checking std-traits v0.1.0 (/opt/rustwide/workdir/exercises/std-traits)
[INFO] [stderr]     Checking options v0.1.0 (/opt/rustwide/workdir/exercises/options)
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `{`
[INFO] [stdout]   --> exercises/options/src/bin/02-options.rs:31:43
[INFO] [stdout]    |
[INFO] [stdout] 31 |         integer = optional_integers.pop() {
[INFO] [stdout]    |                                           ^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking blanket-implementation v0.1.0 (/opt/rustwide/workdir/exercises/blanket-implementation)
[INFO] [stdout] error: expected identifier, found `,`
[INFO] [stdout]   --> exercises/std-traits/src/bin/04.rs:14:40
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn compare_license_types(software1: ???, software2: ???) -> bool {
[INFO] [stdout]    |                                        ^ expected identifier
[INFO] [stdout]    |
[INFO] [stdout] help: remove this comma
[INFO] [stdout]    |
[INFO] [stdout] 14 - fn compare_license_types(software1: ???, software2: ???) -> bool {
[INFO] [stdout] 14 + fn compare_license_types(software1: ??? software2: ???) -> bool {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found `,`
[INFO] [stdout]   --> exercises/std-traits/src/bin/04.rs:14:40
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn compare_license_types(software1: ???, software2: ???) -> bool {
[INFO] [stdout]    |                                        ^ expected identifier
[INFO] [stdout]    |
[INFO] [stdout] help: remove this comma
[INFO] [stdout]    |
[INFO] [stdout] 14 - fn compare_license_types(software1: ???, software2: ???) -> bool {
[INFO] [stdout] 14 + fn compare_license_types(software1: ??? software2: ???) -> bool {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `options` (bin "02-options") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: expected a trait, found type
[INFO] [stdout]   --> exercises/std-traits/src/bin/04.rs:14:39
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn compare_license_types(software1: ???, software2: ???) -> bool {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found `)`
[INFO] [stdout]   --> exercises/std-traits/src/bin/04.rs:14:56
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn compare_license_types(software1: ???, software2: ???) -> bool {
[INFO] [stdout]    |                                                        ^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected a trait, found type
[INFO] [stdout]   --> exercises/std-traits/src/bin/04.rs:14:39
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn compare_license_types(software1: ???, software2: ???) -> bool {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found `)`
[INFO] [stdout]   --> exercises/std-traits/src/bin/04.rs:14:56
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn compare_license_types(software1: ???, software2: ???) -> bool {
[INFO] [stdout]    |                                                        ^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `software1` in this scope
[INFO] [stdout]   --> exercises/std-traits/src/bin/04.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     software1.licensing_info() == software2.licensing_info()
[INFO] [stdout]    |     ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `software2` in this scope
[INFO] [stdout]   --> exercises/std-traits/src/bin/04.rs:15:35
[INFO] [stdout]    |
[INFO] [stdout] 15 |     software1.licensing_info() == software2.licensing_info()
[INFO] [stdout]    |                                   ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `software1` in this scope
[INFO] [stdout]   --> exercises/std-traits/src/bin/04.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     software1.licensing_info() == software2.licensing_info()
[INFO] [stdout]    |     ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `software2` in this scope
[INFO] [stdout]   --> exercises/std-traits/src/bin/04.rs:15:35
[INFO] [stdout]    |
[INFO] [stdout] 15 |     software1.licensing_info() == software2.licensing_info()
[INFO] [stdout]    |                                   ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> exercises/blanket-implementation/src/bin/01.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let b = Banana::default();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `boxed`
[INFO] [stdout]   --> exercises/blanket-implementation/src/bin/01.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let boxed = Box::new(Banana::default());
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arc`
[INFO] [stdout]   --> exercises/blanket-implementation/src/bin/01.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let arc = Arc::new(Banana::default());
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_arc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `boxed`
[INFO] [stdout]   --> exercises/blanket-implementation/src/bin/01.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let boxed = Box::new(b);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arc`
[INFO] [stdout]   --> exercises/blanket-implementation/src/bin/01.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let arc = Arc::new(Banana::default());
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_arc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Washable` is never used
[INFO] [stdout]  --> exercises/blanket-implementation/src/bin/01.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | trait Washable<'a> {
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wash_properly` is never used
[INFO] [stdout]   --> exercises/blanket-implementation/src/bin/01.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn wash_properly<'a>(element: impl Washable<'a>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `std-traits` (bin "04") due to 5 previous errors
[INFO] [stderr] error: could not compile `std-traits` (bin "04" test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "a9cfdf24aad4ced707c7eb8937e46144f59381d121db02220c460e5cc232a4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9cfdf24aad4ced707c7eb8937e46144f59381d121db02220c460e5cc232a4b6", kill_on_drop: false }`
[INFO] [stdout] a9cfdf24aad4ced707c7eb8937e46144f59381d121db02220c460e5cc232a4b6