[INFO] cloning repository https://github.com/janithh/rust_lrn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/janithh/rust_lrn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanithh%2Frust_lrn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanithh%2Frust_lrn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca600d388de89a08b89ba69e78234adb108c0620
[INFO] checking janithh/rust_lrn against try#f3dc08d20a1589b87bde75bb82ee6423307f9bde for pr-135733
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanithh%2Frust_lrn" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/janithh/rust_lrn on toolchain f3dc08d20a1589b87bde75bb82ee6423307f9bde
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3dc08d20a1589b87bde75bb82ee6423307f9bde" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/janithh/rust_lrn
[INFO] finished tweaking git repo https://github.com/janithh/rust_lrn
[INFO] tweaked toml for git repo https://github.com/janithh/rust_lrn written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/janithh/rust_lrn 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" "+f3dc08d20a1589b87bde75bb82ee6423307f9bde" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f3dc08d20a1589b87bde75bb82ee6423307f9bde" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94f9392f02094c509634ebc581fd5c4fd6856e8f9ae00b9f1138655d1e547b28
[INFO] running `Command { std: "docker" "start" "-a" "94f9392f02094c509634ebc581fd5c4fd6856e8f9ae00b9f1138655d1e547b28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94f9392f02094c509634ebc581fd5c4fd6856e8f9ae00b9f1138655d1e547b28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94f9392f02094c509634ebc581fd5c4fd6856e8f9ae00b9f1138655d1e547b28", kill_on_drop: false }`
[INFO] [stdout] 94f9392f02094c509634ebc581fd5c4fd6856e8f9ae00b9f1138655d1e547b28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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_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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f3dc08d20a1589b87bde75bb82ee6423307f9bde" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba04d84b1ba1059d872b7c5eb5ed207cc1a42a9146682c66ccee01eeb12cd83b
[INFO] running `Command { std: "docker" "start" "-a" "ba04d84b1ba1059d872b7c5eb5ed207cc1a42a9146682c66ccee01eeb12cd83b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rust_lrn v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `FromEx` is never used
[INFO] [stdout]  --> src/./bin/sec2_prim_data_types/sec2_prim_data_types.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | trait FromEx {
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `average` is never used
[INFO] [stdout]   --> src/./bin/sec2_prim_data_types/sec2_prim_data_types.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn average(a: f32, b:f32, c:f32) -> f32 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FromEx` is never used
[INFO] [stdout]  --> src/./bin/sec2_prim_data_types/sec2_prim_data_types.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | trait FromEx {
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FromEx` is never used
[INFO] [stdout]  --> src/bin/sec2_prim_data_types/sec2_prim_data_types.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | trait FromEx {
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FromEx` is never used
[INFO] [stdout]  --> src/bin/sec2_prim_data_types/sec2_prim_data_types.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | trait FromEx {
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/sec8_modules-eeb316c62e0e8ad9.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/rust_lrn-eeb316c62e0e8ad9/dep-bin-sec8_modules`
[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/sec9_input_and_output-559b973abdaacce6.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/rust_lrn-559b973abdaacce6/dep-bin-sec9_input_and_output`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/rust_lrn-d9e28be1ab3a645e/bin-sec11_generic_types.json`
[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/rmetaGUZMBO"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: error writing dependencies to `/opt/rustwide/target/debug/deps/sec12_traits-9bed82678d93b601.d`: No space left on device (os error 28)
[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/rmetavO10ow"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_lrn` (bin "sec12_traits") due to 1 previous error
[INFO] [stderr] error: could not compile `rust_lrn` (bin "sec9_input_and_output" test) due to 1 previous error
[INFO] [stderr] error: could not compile `rust_lrn` (bin "rust_lrn" test) due to 1 previous error
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/bin/sec10_structs/sec10_structs.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |     struct Color(u8, u8, u8);
[INFO] [stdout]    |            ----- ^^  ^^  ^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `Color` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `1` and `2` are never read
[INFO] [stdout]   --> src/bin/sec10_structs/sec10_structs.rs:43:23
[INFO] [stdout]    |
[INFO] [stdout] 43 |     struct Point(u32, u32, u32);
[INFO] [stdout]    |            -----      ^^^  ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `Point` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/bin/sec10_structs/sec10_structs.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |     struct Color(u8, u8, u8);
[INFO] [stdout]    |            ----- ^^  ^^  ^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `Color` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `1` and `2` are never read
[INFO] [stdout]   --> src/bin/sec10_structs/sec10_structs.rs:43:23
[INFO] [stdout]    |
[INFO] [stdout] 43 |     struct Point(u32, u32, u32);
[INFO] [stdout]    |            -----      ^^^  ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `Point` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ba04d84b1ba1059d872b7c5eb5ed207cc1a42a9146682c66ccee01eeb12cd83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba04d84b1ba1059d872b7c5eb5ed207cc1a42a9146682c66ccee01eeb12cd83b", kill_on_drop: false }`
[INFO] [stdout] ba04d84b1ba1059d872b7c5eb5ed207cc1a42a9146682c66ccee01eeb12cd83b