[INFO] cloning repository https://github.com/DefectingCat/rs-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DefectingCat/rs-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDefectingCat%2Frs-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDefectingCat%2Frs-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1064a7360526288b73f5af94740c77f72ea82dc
[INFO] testing DefectingCat/rs-playground against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDefectingCat%2Frs-playground" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DefectingCat/rs-playground
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/DefectingCat/rs-playground
[INFO] tweaked toml for git repo https://github.com/DefectingCat/rs-playground written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DefectingCat/rs-playground on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DefectingCat/rs-playground 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" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded system-configuration v0.6.0
[INFO] [stderr]   Downloaded fastrand v2.0.2
[INFO] [stderr]   Downloaded tokio-cron-scheduler v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d8d537c3cea2db3ce2371942e41c3eacb8c021ddfd96a48052f41eb55d3fb2e
[INFO] running `Command { std: "docker" "start" "-a" "0d8d537c3cea2db3ce2371942e41c3eacb8c021ddfd96a48052f41eb55d3fb2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d8d537c3cea2db3ce2371942e41c3eacb8c021ddfd96a48052f41eb55d3fb2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8d537c3cea2db3ce2371942e41c3eacb8c021ddfd96a48052f41eb55d3fb2e", kill_on_drop: false }`
[INFO] [stdout] 0d8d537c3cea2db3ce2371942e41c3eacb8c021ddfd96a48052f41eb55d3fb2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1474625d16eb585acbd9511a419b9a233eeba85bccc2b54d276066f8298662a
[INFO] running `Command { std: "docker" "start" "-a" "d1474625d16eb585acbd9511a419b9a233eeba85bccc2b54d276066f8298662a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling serde v1.0.208
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling socket2 v0.5.6
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling serde_json v1.0.125
[INFO] [stderr]    Compiling rustls-pki-types v1.8.0
[INFO] [stderr]    Compiling tokio-cron-scheduler v0.11.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rustls-pemfile v2.1.3
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling uuid v1.8.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling sync_wrapper v1.0.1
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling chrono v0.4.37
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling cron v0.12.1
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.208
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling tokio v1.39.3
[INFO] [stderr]    Compiling pin-project v1.1.5
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tokio-stream v0.1.15
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling h2 v0.4.6
[INFO] [stderr]    Compiling hyper v1.4.1
[INFO] [stderr]    Compiling hyper-util v0.1.7
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.7
[INFO] [stderr]    Compiling rs-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "d1474625d16eb585acbd9511a419b9a233eeba85bccc2b54d276066f8298662a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1474625d16eb585acbd9511a419b9a233eeba85bccc2b54d276066f8298662a", kill_on_drop: false }`
[INFO] [stdout] d1474625d16eb585acbd9511a419b9a233eeba85bccc2b54d276066f8298662a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dcc336f96a1adae9f1306ce023917f39ea4a74bf61627b962f90306166c82c7
[INFO] running `Command { std: "docker" "start" "-a" "6dcc336f96a1adae9f1306ce023917f39ea4a74bf61627b962f90306166c82c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Trait` is never used
[INFO] [stdout]  --> examples/generic.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Trait {}
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0499]: cannot borrow `bytes` as mutable more than once at a time
[INFO] [stdout]   --> examples/byte_iter.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let byte1 = bytes.next();
[INFO] [stdout]    |                 ----- first mutable borrow occurs here
[INFO] [stdout] 23 |     let byte2 = bytes.next();
[INFO] [stdout]    |                 ^^^^^ second mutable borrow occurs here
[INFO] [stdout] 24 |     if byte1 == byte2 {}
[INFO] [stdout]    |        ----- first borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0499`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rs-playground` (example "byte_iter") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0425]: cannot find value `c` in this scope
[INFO] [stdout]   --> examples/move_ownership.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     if c {
[INFO] [stdout]    |        ^ help: a local variable with a similar name exists: `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `f` in this scope
[INFO] [stdout]   --> examples/move_ownership.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         f(x);
[INFO] [stdout]    |         ^ help: a local variable with a similar name exists: `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `g` in this scope
[INFO] [stdout]   --> examples/move_ownership.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         g(x);
[INFO] [stdout]    |         ^ help: a local variable with a similar name exists: `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `h` in this scope
[INFO] [stdout]   --> examples/move_ownership.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     h(x);
[INFO] [stdout]    |     ^ help: a local variable with a similar name exists: `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `f` in this scope
[INFO] [stdout]   --> examples/move_ownership.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 |     while f() {
[INFO] [stdout]    |           ^ help: a local variable with a similar name exists: `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `g` in this scope
[INFO] [stdout]   --> examples/move_ownership.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         g(x);
[INFO] [stdout]    |         ^ help: a local variable with a similar name exists: `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rs-playground` (example "move_ownership") due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "6dcc336f96a1adae9f1306ce023917f39ea4a74bf61627b962f90306166c82c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dcc336f96a1adae9f1306ce023917f39ea4a74bf61627b962f90306166c82c7", kill_on_drop: false }`
[INFO] [stdout] 6dcc336f96a1adae9f1306ce023917f39ea4a74bf61627b962f90306166c82c7
