[INFO] cloning repository https://github.com/iansudderth/rust_linked_lists
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iansudderth/rust_linked_lists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiansudderth%2Frust_linked_lists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiansudderth%2Frust_linked_lists'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10b5cf8b9830c35c3d436d43959231829b3d409b
[INFO] testing iansudderth/rust_linked_lists against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiansudderth%2Frust_linked_lists" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iansudderth/rust_linked_lists on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iansudderth/rust_linked_lists
[INFO] finished tweaking git repo https://github.com/iansudderth/rust_linked_lists
[INFO] tweaked toml for git repo https://github.com/iansudderth/rust_linked_lists written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/iansudderth/rust_linked_lists already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", 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] 051d6437513ae63df2bee1106f77e6e2a1583b19c1ae216c44ec3be3d45dda40
[INFO] running `Command { std: "docker" "start" "-a" "051d6437513ae63df2bee1106f77e6e2a1583b19c1ae216c44ec3be3d45dda40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "051d6437513ae63df2bee1106f77e6e2a1583b19c1ae216c44ec3be3d45dda40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "051d6437513ae63df2bee1106f77e6e2a1583b19c1ae216c44ec3be3d45dda40", kill_on_drop: false }`
[INFO] [stdout] 051d6437513ae63df2bee1106f77e6e2a1583b19c1ae216c44ec3be3d45dda40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--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] c4843a327af84f326c20aad97334d701132271fa74d52f8c3eac3e7d22f19542
[INFO] running `Command { std: "docker" "start" "-a" "c4843a327af84f326c20aad97334d701132271fa74d52f8c3eac3e7d22f19542", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_with_linked_lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "c4843a327af84f326c20aad97334d701132271fa74d52f8c3eac3e7d22f19542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4843a327af84f326c20aad97334d701132271fa74d52f8c3eac3e7d22f19542", kill_on_drop: false }`
[INFO] [stdout] c4843a327af84f326c20aad97334d701132271fa74d52f8c3eac3e7d22f19542
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a75731b290f406febc6171218282ff7d68f099ffb0cfdbb0d4fd5f9b51e1188
[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" "7a75731b290f406febc6171218282ff7d68f099ffb0cfdbb0d4fd5f9b51e1188", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_with_linked_lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "7a75731b290f406febc6171218282ff7d68f099ffb0cfdbb0d4fd5f9b51e1188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a75731b290f406febc6171218282ff7d68f099ffb0cfdbb0d4fd5f9b51e1188", kill_on_drop: false }`
[INFO] [stdout] 7a75731b290f406febc6171218282ff7d68f099ffb0cfdbb0d4fd5f9b51e1188
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9ceb51c36ce30c6a74686da5fbe50ef1afa8ee9764f146fd64b35796dfb8e0d
[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" "b9ceb51c36ce30c6a74686da5fbe50ef1afa8ee9764f146fd64b35796dfb8e0d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_with_linked_lists-c1d1b36a0f5a9a4a
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test second::test::iter ... ok
[INFO] [stdout] test second::test::basics ... ok
[INFO] [stdout] test second::test::peek ... ok
[INFO] [stdout] test second::test::into_iter ... ok
[INFO] [stdout] test third::test::iter ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_with_linked_lists-75296555776b5c57
[INFO] [stdout] test second::test::iter_mut ... ok
[INFO] [stdout] test first::test::basics ... ok
[INFO] [stdout] test third::test::basics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_with_linked_lists
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b9ceb51c36ce30c6a74686da5fbe50ef1afa8ee9764f146fd64b35796dfb8e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9ceb51c36ce30c6a74686da5fbe50ef1afa8ee9764f146fd64b35796dfb8e0d", kill_on_drop: false }`
[INFO] [stdout] b9ceb51c36ce30c6a74686da5fbe50ef1afa8ee9764f146fd64b35796dfb8e0d