[INFO] cloning repository https://github.com/wersus/rust-incubator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wersus/rust-incubator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwersus%2Frust-incubator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwersus%2Frust-incubator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5da8e310ad1a691e454e9e870e52c340fc09c2b6
[INFO] checking wersus/rust-incubator against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwersus%2Frust-incubator" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wersus/rust-incubator on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wersus/rust-incubator
[INFO] finished tweaking git repo https://github.com/wersus/rust-incubator
[INFO] tweaked toml for git repo https://github.com/wersus/rust-incubator written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/wersus/rust-incubator 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" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85c9c5ba2a8f527ebb36ca44fe4c363c11fd650a2d3a0a83fd6d4778db4edf01
[INFO] running `Command { std: "docker" "start" "-a" "85c9c5ba2a8f527ebb36ca44fe4c363c11fd650a2d3a0a83fd6d4778db4edf01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85c9c5ba2a8f527ebb36ca44fe4c363c11fd650a2d3a0a83fd6d4778db4edf01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85c9c5ba2a8f527ebb36ca44fe4c363c11fd650a2d3a0a83fd6d4778db4edf01", kill_on_drop: false }`
[INFO] [stdout] 85c9c5ba2a8f527ebb36ca44fe4c363c11fd650a2d3a0a83fd6d4778db4edf01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 344198b4557224ca7f566dc41aa88720d81cb616db9ac3667a1b3dcbdfbed42e
[INFO] running `Command { std: "docker" "start" "-a" "344198b4557224ca7f566dc41aa88720d81cb616db9ac3667a1b3dcbdfbed42e", 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]     Checking step_3_4 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_4_regex_parsing)
[INFO] [stderr]     Checking step_2_3 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_3_bound_impl)
[INFO] [stderr]     Checking step_1_3 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_3_rc_cell)
[INFO] [stderr]     Checking step_4 v0.1.0 (/opt/rustwide/workdir/4_backend)
[INFO] [stderr]     Checking step_1_2 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_2_box_pin)
[INFO] [stderr]     Checking step_1_4 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_4_cow)
[INFO] [stderr]     Checking step_2_6 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_6_sealing)
[INFO] [stderr]     Checking step_1_1 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_1_default_clone_copy)
[INFO] [stderr]     Checking step_3_7 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_7_rand_crypto)
[INFO] [stderr]     Checking step_2_5 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_5_exhaustivity)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> 3_ecosystem/3_4_regex_parsing/src/main.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse(input: &str) -> (Option<Sign>, Option<usize>, Option<Precision>) {
[INFO] [stdout]   |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]  --> 3_ecosystem/3_4_regex_parsing/src/main.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse(input: &str) -> (Option<Sign>, Option<usize>, Option<Precision>) {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Sign` is never used
[INFO] [stdout]   --> 3_ecosystem/3_4_regex_parsing/src/main.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Sign {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Precision` is never used
[INFO] [stdout]   --> 3_ecosystem/3_4_regex_parsing/src/main.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum Precision {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_1_9 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_9_phantom)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> 3_ecosystem/3_4_regex_parsing/src/main.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse(input: &str) -> (Option<Sign>, Option<usize>, Option<Precision>) {
[INFO] [stdout]   |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_3_11 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_11_async)
[INFO] [stderr]     Checking step_4_1 v0.1.0 (/opt/rustwide/workdir/4_backend/4_1_db)
[INFO] [stderr]     Checking step_3_9 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_9_cmd_env_conf)
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/step_2_6-0f100765eeff37f2.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/step_2_6-0f100765eeff37f2/dep-lib-step_2_6`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/step_3_4-f62778ee864f245a.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/step_3_4-f62778ee864f245a/dep-test-bin-step_3_4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetavoDnOe"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/step_1_4-e72ddb6c52bff2d7/bin-step_1_4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaWrHczf"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetahgNjyx"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetavXtSfH"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `step_2_5` (lib test) due to 1 previous error
[INFO] [stderr] error: could not compile `step_3_11` (bin "step_3_11") due to 1 previous error
[INFO] [stderr] error: could not compile `step_1_9` (bin "step_1_9" test) due to 1 previous error
[INFO] [stderr] error: could not compile `step_4_1` (bin "step_4_1" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "344198b4557224ca7f566dc41aa88720d81cb616db9ac3667a1b3dcbdfbed42e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "344198b4557224ca7f566dc41aa88720d81cb616db9ac3667a1b3dcbdfbed42e", kill_on_drop: false }`
[INFO] [stdout] 344198b4557224ca7f566dc41aa88720d81cb616db9ac3667a1b3dcbdfbed42e