[INFO] cloning repository https://github.com/nicolafiorillo/challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nicolafiorillo/challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicolafiorillo%2Fchallenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicolafiorillo%2Fchallenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a591220bbc6d2489055ff6a2246607ea6e433d0
[INFO] testing nicolafiorillo/challenges against master#595316b4006932405a63862d8fe65f71a6356293 for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicolafiorillo%2Fchallenges" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nicolafiorillo/challenges on toolchain 595316b4006932405a63862d8fe65f71a6356293
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nicolafiorillo/challenges
[INFO] finished tweaking git repo https://github.com/nicolafiorillo/challenges
[INFO] tweaked toml for git repo https://github.com/nicolafiorillo/challenges written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nicolafiorillo/challenges 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" "+595316b4006932405a63862d8fe65f71a6356293" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d7c07270a02e7fd82784eae0858f66702d6d1c5faeb7bb56f30dcd66e9c2298
[INFO] running `Command { std: "docker" "start" "-a" "2d7c07270a02e7fd82784eae0858f66702d6d1c5faeb7bb56f30dcd66e9c2298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d7c07270a02e7fd82784eae0858f66702d6d1c5faeb7bb56f30dcd66e9c2298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d7c07270a02e7fd82784eae0858f66702d6d1c5faeb7bb56f30dcd66e9c2298", kill_on_drop: false }`
[INFO] [stdout] 2d7c07270a02e7fd82784eae0858f66702d6d1c5faeb7bb56f30dcd66e9c2298
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 707b87dbe491753ca77f59b926bee44a39f5d828c2aee2d5f68b26645aae38b1
[INFO] running `Command { std: "docker" "start" "-a" "707b87dbe491753ca77f59b926bee44a39f5d828c2aee2d5f68b26645aae38b1", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling alternating_characters v0.1.0 (/opt/rustwide/workdir/alternating_characters)
[INFO] [stderr]    Compiling anagram v0.1.0 (/opt/rustwide/workdir/anagram)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "707b87dbe491753ca77f59b926bee44a39f5d828c2aee2d5f68b26645aae38b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "707b87dbe491753ca77f59b926bee44a39f5d828c2aee2d5f68b26645aae38b1", kill_on_drop: false }`
[INFO] [stdout] 707b87dbe491753ca77f59b926bee44a39f5d828c2aee2d5f68b26645aae38b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e24c98f0f9c1762f6957b03e990f2734700d4d9ef62a5219a55a97d68d90806
[INFO] running `Command { std: "docker" "start" "-a" "6e24c98f0f9c1762f6957b03e990f2734700d4d9ef62a5219a55a97d68d90806", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling alternating_characters v0.1.0 (/opt/rustwide/workdir/alternating_characters)
[INFO] [stderr]    Compiling anagram v0.1.0 (/opt/rustwide/workdir/anagram)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "6e24c98f0f9c1762f6957b03e990f2734700d4d9ef62a5219a55a97d68d90806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e24c98f0f9c1762f6957b03e990f2734700d4d9ef62a5219a55a97d68d90806", kill_on_drop: false }`
[INFO] [stdout] 6e24c98f0f9c1762f6957b03e990f2734700d4d9ef62a5219a55a97d68d90806
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d81439cd11439435da2fec00e0054cabaa5cb909b2b9f8f583115b158c6c7dda
[INFO] running `Command { std: "docker" "start" "-a" "d81439cd11439435da2fec00e0054cabaa5cb909b2b9f8f583115b158c6c7dda", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/alternating_characters-c7fb8562df76efad)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test alternating_characters::tests::test_13_2 ... ok
[INFO] [stdout] test alternating_characters::tests::test_13_1 ... ok
[INFO] [stdout] test alternating_characters::tests::test_00_5 ... ok
[INFO] [stdout] test alternating_characters::tests::test_00_4 ... ok
[INFO] [stdout] test alternating_characters::tests::test_14_1 ... ok
[INFO] [stdout] test alternating_characters::tests::maximum_text_lenght ... ok
[INFO] [stdout] test alternating_characters::tests::test_00_2 ... ok
[INFO] [stdout] test alternating_characters::tests::test_00_3 ... ok
[INFO] [stdout] test alternating_characters::tests::test_00_1 ... ok
[INFO] [stdout] test alternating_characters::tests::test_13_3 ... ok
[INFO] [stdout] test alternating_characters::tests::text_too_long - should panic ... ok
[INFO] [stdout] test alternating_characters::tests::text_too_short - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/anagram-20adacef08e59605)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test anagram::tests::test_14_2 ... ok
[INFO] [stdout] test anagram::tests::test_14_3 ... ok
[INFO] [stdout] test anagram::tests::maximum_text_lenght ... ok
[INFO] [stdout] test anagram::tests::test_15_3 ... ok
[INFO] [stdout] test anagram::tests::test_14_6 ... ok
[INFO] [stdout] test anagram::tests::test_14_1 ... ok
[INFO] [stdout] test anagram::tests::test_15_2 ... ok
[INFO] [stdout] test anagram::tests::test_15_1 ... ok
[INFO] [stdout] test anagram::tests::test_14_5 ... ok
[INFO] [stdout] test anagram::tests::test_14_4 ... ok
[INFO] [stdout] test anagram::tests::text_too_short - should panic ... ok
[INFO] [stdout] test anagram::tests::text_too_long - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d81439cd11439435da2fec00e0054cabaa5cb909b2b9f8f583115b158c6c7dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d81439cd11439435da2fec00e0054cabaa5cb909b2b9f8f583115b158c6c7dda", kill_on_drop: false }`
[INFO] [stdout] d81439cd11439435da2fec00e0054cabaa5cb909b2b9f8f583115b158c6c7dda
[INFO] testing nicolafiorillo/challenges against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicolafiorillo%2Fchallenges" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nicolafiorillo/challenges on toolchain 5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nicolafiorillo/challenges
[INFO] finished tweaking git repo https://github.com/nicolafiorillo/challenges
[INFO] tweaked toml for git repo https://github.com/nicolafiorillo/challenges written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nicolafiorillo/challenges 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" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/cb1ef5dfb11da91c7ce7c7d03a65f739ef44beca6acac9e5dea669016241ac3e/diff: no space left on device
[INFO] testing nicolafiorillo/challenges against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicolafiorillo%2Fchallenges" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-3-tc2/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'remote.origin.fetch' to '+refs/heads/*:refs/remotes/origin/*'
[INFO] [stderr] fatal: the remote end hung up unexpectedly
[INFO] testing nicolafiorillo/challenges against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicolafiorillo%2Fchallenges" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] fatal: could not create work tree dir '/workspace/builds/worker-3-tc2/source': No space left on device
[INFO] testing nicolafiorillo/challenges against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicolafiorillo%2Fchallenges" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] fatal: could not create work tree dir '/workspace/builds/worker-3-tc2/source': No space left on device
[INFO] testing nicolafiorillo/challenges against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicolafiorillo%2Fchallenges" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] fatal: could not create work tree dir '/workspace/builds/worker-3-tc2/source': No space left on device
[ERROR] this task or one of its parent failed!
[ERROR] failed to checkout https://github.com/nicolafiorillo/challenges
[ERROR] caused by: command failed: exit status: 128
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.