[INFO] cloning repository https://github.com/harrypunk/learn_dsa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/harrypunk/learn_dsa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharrypunk%2Flearn_dsa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharrypunk%2Flearn_dsa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be3a395defb52ea717e0b39112a11da6cdccc84e
[INFO] testing harrypunk/learn_dsa against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharrypunk%2Flearn_dsa" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/harrypunk/learn_dsa on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/harrypunk/learn_dsa
[INFO] finished tweaking git repo https://github.com/harrypunk/learn_dsa
[INFO] tweaked toml for git repo https://github.com/harrypunk/learn_dsa written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/harrypunk/learn_dsa already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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 crossbeam v0.8.1
[INFO] [stderr]   Downloaded serde v1.0.130
[INFO] [stderr]   Downloaded regex v1.5.4
[INFO] [stderr]   Downloaded filetime v0.2.15
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.2
[INFO] [stderr]   Downloaded aho-corasick v0.7.18
[INFO] [stderr]   Downloaded regex-syntax v0.6.25
[INFO] [stderr]   Downloaded flexi_logger v0.18.1
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.5
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.5
[INFO] [stderr]   Downloaded flate2 v1.0.22
[INFO] [stderr]   Downloaded thiserror v1.0.29
[INFO] [stderr]   Downloaded proc-macro2 v1.0.29
[INFO] [stderr]   Downloaded syn v1.0.76
[INFO] [stderr]   Downloaded thiserror-impl v1.0.29
[INFO] [stderr]   Downloaded serde_derive v1.0.130
[INFO] [stderr]   Downloaded memoffset v0.6.4
[INFO] [stderr]   Downloaded notify v4.0.17
[INFO] [stderr]   Downloaded libc v0.2.102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 203ab629dd3a035c48908a4a2da4ccbeaf44fd5c8c88be9f7a4dcef3b9c90155
[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" "203ab629dd3a035c48908a4a2da4ccbeaf44fd5c8c88be9f7a4dcef3b9c90155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "203ab629dd3a035c48908a4a2da4ccbeaf44fd5c8c88be9f7a4dcef3b9c90155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "203ab629dd3a035c48908a4a2da4ccbeaf44fd5c8c88be9f7a4dcef3b9c90155", kill_on_drop: false }`
[INFO] [stdout] 203ab629dd3a035c48908a4a2da4ccbeaf44fd5c8c88be9f7a4dcef3b9c90155
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28662a3d272f6cbf838d4872c34cc35a0a3bf926500edafe3ee8db342a94da3f
[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" "28662a3d272f6cbf838d4872c34cc35a0a3bf926500edafe3ee8db342a94da3f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling flexi_logger v0.18.1
[INFO] [stderr]    Compiling learn_dsa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "28662a3d272f6cbf838d4872c34cc35a0a3bf926500edafe3ee8db342a94da3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28662a3d272f6cbf838d4872c34cc35a0a3bf926500edafe3ee8db342a94da3f", kill_on_drop: false }`
[INFO] [stdout] 28662a3d272f6cbf838d4872c34cc35a0a3bf926500edafe3ee8db342a94da3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 29d63435faeb852d85677594e652134e6e4c662caa1c69b2dfeaa5749d971861
[INFO] running `Command { std: "docker" "start" "-a" "29d63435faeb852d85677594e652134e6e4c662caa1c69b2dfeaa5749d971861", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling learn_dsa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.31s
[INFO] running `Command { std: "docker" "inspect" "29d63435faeb852d85677594e652134e6e4c662caa1c69b2dfeaa5749d971861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29d63435faeb852d85677594e652134e6e4c662caa1c69b2dfeaa5749d971861", kill_on_drop: false }`
[INFO] [stdout] 29d63435faeb852d85677594e652134e6e4c662caa1c69b2dfeaa5749d971861
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a37c701d6b92939fca13f3c4266a5939efc1a05184c42b5fbf52fe753a6c7d25
[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" "a37c701d6b92939fca13f3c4266a5939efc1a05184c42b5fbf52fe753a6c7d25", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learn_dsa-f94b0e97d9d4e039)
[INFO] [stdout] running 9 tests
[INFO] [stdout] test palindrome::manacher::tests::mana_159 ... ok
[INFO] [stdout] test two_sum::two_sum_exm3 ... ok
[INFO] [stdout] test palindrome::manacher::tests::mana_holder ... ok
[INFO] [stdout] test palindrome::manacher::tests::mana_expand ... ok
[INFO] [stdout] test two_sum::two_sum_exm2 ... ok
[INFO] [stdout] test two_sum::two_sum_exm1 ... ok
[INFO] [stdout] test palindrome::manacher::tests::mana_len2 ... ok
[INFO] [stdout] test palindrome::manacher::tests::mana_pal ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/array_translation-fcb56b9e29aaf101)
[INFO] [stdout] test two_sum::two_sum_exm4 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/deduplicate-d3972154e6c22d09)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/longest_increasing-cef9475683977cbd)
[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] [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] [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 learn_dsa
[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] running `Command { std: "docker" "inspect" "a37c701d6b92939fca13f3c4266a5939efc1a05184c42b5fbf52fe753a6c7d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a37c701d6b92939fca13f3c4266a5939efc1a05184c42b5fbf52fe753a6c7d25", kill_on_drop: false }`
[INFO] [stdout] a37c701d6b92939fca13f3c4266a5939efc1a05184c42b5fbf52fe753a6c7d25