[INFO] cloning repository https://github.com/logist322/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/logist322/rust-incubator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flogist322%2Frust-incubator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flogist322%2Frust-incubator'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flogist322%2Frust-incubator: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/logist322/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/logist322/rust-incubator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flogist322%2Frust-incubator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flogist322%2Frust-incubator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d90b1d9340c10492f72951f7d0d44361b0d7c4a3
[INFO] checking logist322/rust-incubator against master#a7fc463dd8fbeca800d4b3efc501069502cffe64 for pr-136988
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flogist322%2Frust-incubator" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/logist322/rust-incubator on toolchain a7fc463dd8fbeca800d4b3efc501069502cffe64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7fc463dd8fbeca800d4b3efc501069502cffe64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/logist322/rust-incubator
[INFO] finished tweaking git repo https://github.com/logist322/rust-incubator
[INFO] tweaked toml for git repo https://github.com/logist322/rust-incubator written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/logist322/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" "+a7fc463dd8fbeca800d4b3efc501069502cffe64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+a7fc463dd8fbeca800d4b3efc501069502cffe64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8aa06505cf4760362cba90cc12877d683b4ac954f247d1d4ed3d37f43ebffa7a
[INFO] running `Command { std: "docker" "start" "-a" "8aa06505cf4760362cba90cc12877d683b4ac954f247d1d4ed3d37f43ebffa7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8aa06505cf4760362cba90cc12877d683b4ac954f247d1d4ed3d37f43ebffa7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aa06505cf4760362cba90cc12877d683b4ac954f247d1d4ed3d37f43ebffa7a", kill_on_drop: false }`
[INFO] [stdout] 8aa06505cf4760362cba90cc12877d683b4ac954f247d1d4ed3d37f43ebffa7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+a7fc463dd8fbeca800d4b3efc501069502cffe64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44b7394f07282416dae2c56a407968ff7047cf58a6d7e2db498260871c14265a
[INFO] running `Command { std: "docker" "start" "-a" "44b7394f07282416dae2c56a407968ff7047cf58a6d7e2db498260871c14265a", kill_on_drop: false }`
[INFO] [stderr]     Checking step_3_5 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_5_collections)
[INFO] [stderr]     Checking step_2_3 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_3_bound_impl)
[INFO] [stderr]     Checking step_3_6 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_6_serde)
[INFO] [stderr]     Checking step_3_2 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_2_macro)
[INFO] [stderr]     Checking step_3_9 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_9_cmd_env_conf)
[INFO] [stderr]     Checking step_1_6 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_6_dispatch)
[INFO] [stderr]     Checking step_1_1 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_1_default_clone_copy)
[INFO] [stderr]     Checking step_1_2 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_2_box_pin)
[INFO] [stderr]     Checking step_3_7 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_7_rand_crypto)
[INFO] [stderr]     Checking step_1_8 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_8_thread_safety)
[INFO] [stderr]     Checking step_1 v0.1.0 (/opt/rustwide/workdir/1_concepts)
[INFO] [stderr]     Checking step_1_9 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_9_phantom)
[INFO] [stderr]     Checking step_2 v0.1.0 (/opt/rustwide/workdir/2_idioms)
[INFO] [stderr]     Checking step_1_4 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_4_cow)
[INFO] [stderr]     Checking step_3_11 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_11_async)
[INFO] [stderr]     Checking step_3_12 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_12_web_db)
[INFO] [stderr]     Checking step_3_3 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_3_date_time)
[INFO] [stderr]     Checking step_3_1 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_1_testing)
[INFO] [stderr]     Checking step_1_3 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_3_rc_cell)
[INFO] [stderr]     Checking step_1_5 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_5_convert_cast_deref)
[INFO] [stderr]     Checking step_2_1 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_1_type_safety)
[INFO] [stderr]     Checking step_2_4 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_4_generic_in_type_out)
[INFO] [stderr]     Checking step_3 v0.1.0 (/opt/rustwide/workdir/3_ecosystem)
[INFO] [stderr]     Checking step_3_8 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_8_log)
[INFO] [stdout] warning: unused variable: `year`
[INFO] [stdout]   --> 3_ecosystem/3_3_date_time/src/main.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn with_birthdate(year: i32, month: u32, day: u32) -> Self {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_year`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `month`
[INFO] [stdout]   --> 3_ecosystem/3_3_date_time/src/main.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn with_birthdate(year: i32, month: u32, day: u32) -> Self {
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_month`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `day`
[INFO] [stdout]   --> 3_ecosystem/3_3_date_time/src/main.rs:10:46
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn with_birthdate(year: i32, month: u32, day: u32) -> Self {
[INFO] [stdout]    |                                              ^^^ help: if this is intentional, prefix it with an underscore: `_day`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NOW` is never used
[INFO] [stdout]  --> 3_ecosystem/3_3_date_time/src/main.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const NOW: &str = "2019-06-26";
[INFO] [stdout]   |       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]  --> 3_ecosystem/3_3_date_time/src/main.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct User;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `with_birthdate`, `age`, and `is_adult` are never used
[INFO] [stdout]   --> 3_ecosystem/3_3_date_time/src/main.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl User {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 10 |     fn with_birthdate(year: i32, month: u32, day: u32) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn age(&self) -> u16 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn is_adult(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_2_2 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_2_mem_replace)
[INFO] [stderr]     Checking step_1_7 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_7_sized)
[INFO] [stderr]     Checking step_3_10 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_10_threads)
[INFO] [stderr]     Checking step_3_4 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_4_regex_parsing)
[INFO] [stdout] warning: unused variable: `year`
[INFO] [stdout]   --> 3_ecosystem/3_3_date_time/src/main.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn with_birthdate(year: i32, month: u32, day: u32) -> Self {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_year`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[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/rmetaeCOqs4"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/step_1_6-10be88b7f3c059ef.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/step_1_6-10be88b7f3c059ef/dep-test-bin-step_1_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_10-cb3933dfa21b32ad.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/step_3_10-cb3933dfa21b32ad/dep-bin-step_3_10`
[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/rmeta5aT9or"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/step_1_5-7bf5c62d3e6aa98f.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/step_1_5-7bf5c62d3e6aa98f/dep-test-bin-step_1_5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] error: could not compile `step_2_2` (bin "step_2_2" test) due to 1 previous error
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaxEPlbD"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `step_1_7` (bin "step_1_7") due to 1 previous error
[INFO] [stderr] error: could not compile `step_3_3` (bin "step_3_3" test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/a7fc463dd8fbeca800d4b3efc501069502cffe64/bin/rustc --crate-name step_3_3 --edition=2018 3_ecosystem/3_3_date_time/src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=200606ab9dc4aa95 -C extra-filename=-367906101346012d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[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] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmeta4N2wvr"
[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/rmetaz1BEaT"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `step_1_4` (bin "step_1_4") due to 1 previous error
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmeta3iOT8h"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `step_3_4` (bin "step_3_4"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/a7fc463dd8fbeca800d4b3efc501069502cffe64/bin/rustc --crate-name step_3_4 --edition=2018 3_ecosystem/3_4_regex_parsing/src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=ae5cd3d495481a4b -C extra-filename=-a27b83873127dabb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] error: could not compile `step_3_10` (bin "step_3_10" test) due to 1 previous error
[INFO] [stderr] error: could not compile `step_1` (bin "step_1" test) due to 1 previous error
[INFO] [stderr] error: could not compile `step_1_9` (bin "step_1_9") due to 1 previous error
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaEhFXT4"
[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/rmetaaEcs8Q"
[INFO] [stdout] 
[INFO] [stdout] 
[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] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaV2XLZx"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `step_3_1` (bin "step_3_1") due to 1 previous error
[INFO] [stderr] error: could not compile `step_2_2` (bin "step_2_2") due to 1 previous error
[INFO] [stderr] error: could not compile `step_3_4` (bin "step_3_4" test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/a7fc463dd8fbeca800d4b3efc501069502cffe64/bin/rustc --crate-name step_3_4 --edition=2018 3_ecosystem/3_4_regex_parsing/src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=a14e41a1dbe8382b -C extra-filename=-f62778ee864f245a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] error: could not compile `step_2_4` (bin "step_2_4") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "44b7394f07282416dae2c56a407968ff7047cf58a6d7e2db498260871c14265a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44b7394f07282416dae2c56a407968ff7047cf58a6d7e2db498260871c14265a", kill_on_drop: false }`
[INFO] [stdout] 44b7394f07282416dae2c56a407968ff7047cf58a6d7e2db498260871c14265a