[INFO] cloning repository https://github.com/jorge-jbs/recorrelaberintos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jorge-jbs/recorrelaberintos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjorge-jbs%2Frecorrelaberintos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjorge-jbs%2Frecorrelaberintos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c4ffae0f6dc8a3c93155bfae04c51af3d582f96
[INFO] building jorge-jbs/recorrelaberintos against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjorge-jbs%2Frecorrelaberintos" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jorge-jbs/recorrelaberintos on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jorge-jbs/recorrelaberintos
[INFO] finished tweaking git repo https://github.com/jorge-jbs/recorrelaberintos
[INFO] tweaked toml for git repo https://github.com/jorge-jbs/recorrelaberintos written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jorge-jbs/recorrelaberintos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.39
[INFO] [stderr]   Downloaded cons-list v0.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3aec4568588458b163a4069ea0299db296e9807f0ebffff582ec944cbae565ce
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3aec4568588458b163a4069ea0299db296e9807f0ebffff582ec944cbae565ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3aec4568588458b163a4069ea0299db296e9807f0ebffff582ec944cbae565ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aec4568588458b163a4069ea0299db296e9807f0ebffff582ec944cbae565ce", kill_on_drop: false }`
[INFO] [stdout] 3aec4568588458b163a4069ea0299db296e9807f0ebffff582ec944cbae565ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 416ae7accb3bf678a107ab05e43679c3a091bdf4bfef3ad619f8649d76d1edcb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "416ae7accb3bf678a107ab05e43679c3a091bdf4bfef3ad619f8649d76d1edcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling cons-list v0.0.3
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.0
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling rayon v1.0.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling recorrelaberintos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/bfs.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 | /             /** Instead of checking duplicates in `frontier` (finding whether a node is in the
[INFO] [stdout] 56 | |              * frontier is expensive), we add nodes even if they are duplicated, and skip them we
[INFO] [stdout] 57 | |              * have already explored them.
[INFO] [stdout] 58 | |              *
[INFO] [stdout] 59 | |              * Although in practice there doesn't seem to be any duplicated nodes :/
[INFO] [stdout] 60 | |              */
[INFO] [stdout]    | |_______________^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/async_cons_list.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         try!(write!(f, "["));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/async_cons_list.rs:243:17
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 try!(write!(f, ", "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/async_cons_list.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |             try!(write!(f, "{:?}", *e));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.56s
[INFO] running `Command { std: "docker" "inspect" "416ae7accb3bf678a107ab05e43679c3a091bdf4bfef3ad619f8649d76d1edcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "416ae7accb3bf678a107ab05e43679c3a091bdf4bfef3ad619f8649d76d1edcb", kill_on_drop: false }`
[INFO] [stdout] 416ae7accb3bf678a107ab05e43679c3a091bdf4bfef3ad619f8649d76d1edcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5e644e2aaf463ba5a10e4bca0b60f41c1f64605bfc78b77d2ff01a6ed67bcbc5
[INFO] running `Command { std: "docker" "start" "-a" "5e644e2aaf463ba5a10e4bca0b60f41c1f64605bfc78b77d2ff01a6ed67bcbc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling recorrelaberintos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `test`
[INFO] [stdout]    --> src/async_cons_list.rs:443:9
[INFO] [stdout]     |
[INFO] [stdout] 443 |     use test::Bencher;
[INFO] [stdout]     |         ^^^^ help: a similar path exists: `super::test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test`
[INFO] [stdout]    --> src/async_cons_list.rs:444:9
[INFO] [stdout]     |
[INFO] [stdout] 444 |     use test;
[INFO] [stdout]     |         ^^^^ no `test` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/bfs.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 | /             /** Instead of checking duplicates in `frontier` (finding whether a node is in the
[INFO] [stdout] 56 | |              * frontier is expensive), we add nodes even if they are duplicated, and skip them we
[INFO] [stdout] 57 | |              * have already explored them.
[INFO] [stdout] 58 | |              *
[INFO] [stdout] 59 | |              * Although in practice there doesn't seem to be any duplicated nodes :/
[INFO] [stdout] 60 | |              */
[INFO] [stdout]    | |_______________^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/async_cons_list.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         try!(write!(f, "["));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/async_cons_list.rs:243:17
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 try!(write!(f, ", "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/async_cons_list.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |             try!(write!(f, "{:?}", *e));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/async_cons_list.rs:448:7
[INFO] [stdout]     |
[INFO] [stdout] 448 |     #[bench]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/async_cons_list.rs:454:7
[INFO] [stdout]     |
[INFO] [stdout] 454 |     #[bench]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/async_cons_list.rs:460:7
[INFO] [stdout]     |
[INFO] [stdout] 460 |     #[bench]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/async_cons_list.rs:466:7
[INFO] [stdout]     |
[INFO] [stdout] 466 |     #[bench]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'test'
[INFO] [stdout]   --> src/async_cons_list.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | extern crate test;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]    = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]    --> src/async_cons_list.rs:375:21
[INFO] [stdout]     |
[INFO] [stdout] 375 |         let mut h = hash::SipHasher::new();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::hash::SipHasher::new`: use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]    --> src/async_cons_list.rs:375:21
[INFO] [stdout]     |
[INFO] [stdout] 375 |         let mut h = hash::SipHasher::new();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `recorrelaberintos`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "5e644e2aaf463ba5a10e4bca0b60f41c1f64605bfc78b77d2ff01a6ed67bcbc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e644e2aaf463ba5a10e4bca0b60f41c1f64605bfc78b77d2ff01a6ed67bcbc5", kill_on_drop: false }`
[INFO] [stdout] 5e644e2aaf463ba5a10e4bca0b60f41c1f64605bfc78b77d2ff01a6ed67bcbc5
