[INFO] cloning repository https://github.com/ndgndg91/rust-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ndgndg91/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndgndg91%2Frust-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndgndg91%2Frust-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 012ad8915eb24f72a8eadf58c132e908c8a2182f
[INFO] checking ndgndg91/rust-practice against master#426a60abc213b28a7c7198e475476b6e650d871f for pr-129199
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndgndg91%2Frust-practice" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ndgndg91/rust-practice on toolchain 426a60abc213b28a7c7198e475476b6e650d871f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+426a60abc213b28a7c7198e475476b6e650d871f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ndgndg91/rust-practice
[INFO] finished tweaking git repo https://github.com/ndgndg91/rust-practice
[INFO] tweaked toml for git repo https://github.com/ndgndg91/rust-practice written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ndgndg91/rust-practice 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" "+426a60abc213b28a7c7198e475476b6e650d871f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+426a60abc213b28a7c7198e475476b6e650d871f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24fcd8addb1e8f10922b8f967c37788cfec485a46cfb3d5569abe5dc53e25ac0
[INFO] running `Command { std: "docker" "start" "-a" "24fcd8addb1e8f10922b8f967c37788cfec485a46cfb3d5569abe5dc53e25ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24fcd8addb1e8f10922b8f967c37788cfec485a46cfb3d5569abe5dc53e25ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24fcd8addb1e8f10922b8f967c37788cfec485a46cfb3d5569abe5dc53e25ac0", kill_on_drop: false }`
[INFO] [stdout] 24fcd8addb1e8f10922b8f967c37788cfec485a46cfb3d5569abe5dc53e25ac0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+426a60abc213b28a7c7198e475476b6e650d871f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eca2b4d603865afab27d44608c7d16e36416cb2763184df998da762160344e56
[INFO] running `Command { std: "docker" "start" "-a" "eca2b4d603865afab27d44608c7d16e36416cb2763184df998da762160344e56", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking hello_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/builtin/enum_practice.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Product {
[INFO] [stdout]   |        ------- field in this struct
[INFO] [stdout] 8 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Product` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `description` is never read
[INFO] [stdout]  --> src/builtin/hashmap_practice.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Container {
[INFO] [stdout]   |        --------- field in this struct
[INFO] [stdout] 5 |     description: String
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Container` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/builtin/enum_practice.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Product {
[INFO] [stdout]   |        ------- field in this struct
[INFO] [stdout] 8 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Product` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `user_id` and `name` are never read
[INFO] [stdout]  --> src/builtin/map_combinatior_practice.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct User {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 3 |     user_id: i64,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 4 |     name: String
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `description` is never read
[INFO] [stdout]  --> src/builtin/hashmap_practice.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Container {
[INFO] [stdout]   |        --------- field in this struct
[INFO] [stdout] 5 |     description: String
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Container` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `user_id` and `name` are never read
[INFO] [stdout]  --> src/builtin/map_combinatior_practice.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct User {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 3 |     user_id: i64,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 4 |     name: String
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "eca2b4d603865afab27d44608c7d16e36416cb2763184df998da762160344e56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eca2b4d603865afab27d44608c7d16e36416cb2763184df998da762160344e56", kill_on_drop: false }`
[INFO] [stdout] eca2b4d603865afab27d44608c7d16e36416cb2763184df998da762160344e56
[INFO] checking ndgndg91/rust-practice against try#2c70eb47850052381670935f807d41647a7dc992 for pr-129199
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndgndg91%2Frust-practice" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ndgndg91/rust-practice on toolchain 2c70eb47850052381670935f807d41647a7dc992
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c70eb47850052381670935f807d41647a7dc992" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ndgndg91/rust-practice
[INFO] finished tweaking git repo https://github.com/ndgndg91/rust-practice
[INFO] tweaked toml for git repo https://github.com/ndgndg91/rust-practice written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ndgndg91/rust-practice 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" "+2c70eb47850052381670935f807d41647a7dc992" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+2c70eb47850052381670935f807d41647a7dc992" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfa90f3400136bc71163250c5d99ac3c1fe9ef679c39f15bab314d4fdad2218c
[INFO] running `Command { std: "docker" "start" "-a" "dfa90f3400136bc71163250c5d99ac3c1fe9ef679c39f15bab314d4fdad2218c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfa90f3400136bc71163250c5d99ac3c1fe9ef679c39f15bab314d4fdad2218c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfa90f3400136bc71163250c5d99ac3c1fe9ef679c39f15bab314d4fdad2218c", kill_on_drop: false }`
[INFO] [stdout] dfa90f3400136bc71163250c5d99ac3c1fe9ef679c39f15bab314d4fdad2218c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+2c70eb47850052381670935f807d41647a7dc992" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa267eb201ab2893e6e38a9aa065d77735d81f3edaf42a5d73f795e705582204
[INFO] running `Command { std: "docker" "start" "-a" "aa267eb201ab2893e6e38a9aa065d77735d81f3edaf42a5d73f795e705582204", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stdout] error: failed to write /tmp/rustcJtKayB/lib.rmeta: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syn` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "aa267eb201ab2893e6e38a9aa065d77735d81f3edaf42a5d73f795e705582204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa267eb201ab2893e6e38a9aa065d77735d81f3edaf42a5d73f795e705582204", kill_on_drop: false }`
[INFO] [stdout] aa267eb201ab2893e6e38a9aa065d77735d81f3edaf42a5d73f795e705582204