[INFO] cloning repository https://github.com/sanbox-irl/cursive_chat_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sanbox-irl/cursive_chat_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanbox-irl%2Fcursive_chat_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanbox-irl%2Fcursive_chat_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20d9d321c16ff77f6c2b04f0a8f6cbc4f17c1ea0
[INFO] building sanbox-irl/cursive_chat_example against master#a29f341a8ac4e9325a5e37027b4215f50a76d06f for pr-101929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanbox-irl%2Fcursive_chat_example" "/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/sanbox-irl/cursive_chat_example on toolchain a29f341a8ac4e9325a5e37027b4215f50a76d06f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sanbox-irl/cursive_chat_example
[INFO] finished tweaking git repo https://github.com/sanbox-irl/cursive_chat_example
[INFO] tweaked toml for git repo https://github.com/sanbox-irl/cursive_chat_example written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum-map v0.6.6
[INFO] [stderr]   Downloaded enumset_derive v0.6.0
[INFO] [stderr]   Downloaded pretty-bytes v0.2.2
[INFO] [stderr]   Downloaded bear-lib-terminal-sys v1.3.0
[INFO] [stderr]   Downloaded bear-lib-terminal v2.0.0
[INFO] [stderr]   Downloaded enumset v1.0.11
[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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6ce71efb5c4cf667c200c405e1e27cb86b2c336f866dbdc6263a730ee09c758
[INFO] running `Command { std: "docker" "start" "-a" "b6ce71efb5c4cf667c200c405e1e27cb86b2c336f866dbdc6263a730ee09c758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6ce71efb5c4cf667c200c405e1e27cb86b2c336f866dbdc6263a730ee09c758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6ce71efb5c4cf667c200c405e1e27cb86b2c336f866dbdc6263a730ee09c758", kill_on_drop: false }`
[INFO] [stdout] b6ce71efb5c4cf667c200c405e1e27cb86b2c336f866dbdc6263a730ee09c758
[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" "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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f70987d6722ec77dc58eea6918222a55a1c32de861dd8c9eb209571c0bb5c8aa
[INFO] running `Command { std: "docker" "start" "-a" "f70987d6722ec77dc58eea6918222a55a1c32de861dd8c9eb209571c0bb5c8aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling iana-time-zone v0.1.48
[INFO] [stderr]    Compiling array-macro v1.0.5
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling xi-unicode v0.2.1
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling pretty-bytes v0.2.2
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling chrono v0.4.22
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]    Compiling const-random v0.1.13
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling enum-map-derive v0.4.6
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling enum-map v0.6.6
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling enumset_derive v0.6.0
[INFO] [stderr]    Compiling enumset v1.0.11
[INFO] [stderr]    Compiling cursive_core v0.1.1 (/opt/rustwide/workdir/cursive-core)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> cursive-core/src/align.rs:99:34
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 HAlign::Right => (container - content),
[INFO] [stdout]    |                                  ^                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 99 -                 HAlign::Right => (container - content),
[INFO] [stdout] 99 +                 HAlign::Right => container - content,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> cursive-core/src/align.rs:118:35
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 VAlign::Bottom => (container - content),
[INFO] [stdout]     |                                   ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 118 -                 VAlign::Bottom => (container - content),
[INFO] [stdout] 118 +                 VAlign::Bottom => container - content,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cursive v0.15.1-alpha.0 (/opt/rustwide/workdir/cursive)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> cursive/src/backends/puppet/mod.rs:83:30
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Err(e) => panic!(e),
[INFO] [stdout]    |                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Err(e) => panic!("{}", e),
[INFO] [stdout]    |                              +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Err(e) => std::panic::panic_any(e),
[INFO] [stdout]    |                       ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cursive-examples v0.1.1-alpha.0 (/opt/rustwide/workdir/examples)
[INFO] [stderr] error: could not compile `cursive-examples`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tcp_server --edition=2018 examples/src/bin/tcp_server.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=199316e4ef6b1a93 -C extra-filename=-199316e4ef6b1a93 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atty=/opt/rustwide/target/debug/deps/libatty-f5982e8e861e54d7.rlib --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-bbb7713a01f3533c.rlib --extern cursive=/opt/rustwide/target/debug/deps/libcursive-ae572f36c687bdd4.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-1f281fe8445d426c.rlib --extern pretty_bytes=/opt/rustwide/target/debug/deps/libpretty_bytes-de5b4a1b22d26da4.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-ecbeb2c2a6f76c55.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `cursive-examples`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name mines --edition=2018 examples/src/bin/mines/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=5ef13d667cc296cb -C extra-filename=-5ef13d667cc296cb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atty=/opt/rustwide/target/debug/deps/libatty-f5982e8e861e54d7.rlib --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-bbb7713a01f3533c.rlib --extern cursive=/opt/rustwide/target/debug/deps/libcursive-ae572f36c687bdd4.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-1f281fe8445d426c.rlib --extern pretty_bytes=/opt/rustwide/target/debug/deps/libpretty_bytes-de5b4a1b22d26da4.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-ecbeb2c2a6f76c55.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `cursive-examples`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name logs --edition=2018 examples/src/bin/logs.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=b4ff80d5f255ecf0 -C extra-filename=-b4ff80d5f255ecf0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atty=/opt/rustwide/target/debug/deps/libatty-f5982e8e861e54d7.rlib --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-bbb7713a01f3533c.rlib --extern cursive=/opt/rustwide/target/debug/deps/libcursive-ae572f36c687bdd4.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-1f281fe8445d426c.rlib --extern pretty_bytes=/opt/rustwide/target/debug/deps/libpretty_bytes-de5b4a1b22d26da4.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-ecbeb2c2a6f76c55.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `cursive-examples`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name list_view --edition=2018 examples/src/bin/list_view.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=b40065fd651be9d3 -C extra-filename=-b40065fd651be9d3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atty=/opt/rustwide/target/debug/deps/libatty-f5982e8e861e54d7.rlib --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-bbb7713a01f3533c.rlib --extern cursive=/opt/rustwide/target/debug/deps/libcursive-ae572f36c687bdd4.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-1f281fe8445d426c.rlib --extern pretty_bytes=/opt/rustwide/target/debug/deps/libpretty_bytes-de5b4a1b22d26da4.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-ecbeb2c2a6f76c55.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "f70987d6722ec77dc58eea6918222a55a1c32de861dd8c9eb209571c0bb5c8aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f70987d6722ec77dc58eea6918222a55a1c32de861dd8c9eb209571c0bb5c8aa", kill_on_drop: false }`
[INFO] [stdout] f70987d6722ec77dc58eea6918222a55a1c32de861dd8c9eb209571c0bb5c8aa