[INFO] cloning repository https://github.com/davnav/serdelearning [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davnav/serdelearning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavnav%2Fserdelearning", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavnav%2Fserdelearning'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9e7c3292b37651103bccda9bc87e09a2fbb33db6 [INFO] checking davnav/serdelearning against try#b047d5f4496a7526d91d0dddea494c05853f2a7b for pr-122661-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavnav%2Fserdelearning" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/davnav/serdelearning [INFO] finished tweaking git repo https://github.com/davnav/serdelearning [INFO] tweaked toml for git repo https://github.com/davnav/serdelearning written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/davnav/serdelearning on toolchain b047d5f4496a7526d91d0dddea494c05853f2a7b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/davnav/serdelearning 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" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/52014c86fce578a587f63d8cb40be608546a74ac3dcc1373d1f96fcc3ae61da9/diff: no space left on device [INFO] checking davnav/serdelearning against try#b047d5f4496a7526d91d0dddea494c05853f2a7b for pr-122661-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavnav%2Fserdelearning" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/davnav/serdelearning [INFO] finished tweaking git repo https://github.com/davnav/serdelearning [INFO] tweaked toml for git repo https://github.com/davnav/serdelearning written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/davnav/serdelearning on toolchain b047d5f4496a7526d91d0dddea494c05853f2a7b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/davnav/serdelearning 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" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1a3e8ebcf4b65d8ddf34968cd679c70550075733ee0cf455df99b81a1e9946c0 [INFO] running `Command { std: "docker" "start" "-a" "1a3e8ebcf4b65d8ddf34968cd679c70550075733ee0cf455df99b81a1e9946c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1a3e8ebcf4b65d8ddf34968cd679c70550075733ee0cf455df99b81a1e9946c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a3e8ebcf4b65d8ddf34968cd679c70550075733ee0cf455df99b81a1e9946c0", kill_on_drop: false }` [INFO] [stdout] 1a3e8ebcf4b65d8ddf34968cd679c70550075733ee0cf455df99b81a1e9946c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6638ec47d0b3b7dbf626fcd206506bea7f5d818ac821a3bd56dce82596402e2e [INFO] running `Command { std: "docker" "start" "-a" "6638ec47d0b3b7dbf626fcd206506bea7f5d818ac821a3bd56dce82596402e2e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.23 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.42 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking serde_study v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/tests/mod.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/tests/mod.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | ///internal representation of json will have type as key [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/tests/mod.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | ///deserialized json get printed [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `json1` is never used [INFO] [stdout] --> src/lib.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | static json1:&str= r#"{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `json2` is never used [INFO] [stdout] --> src/lib.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | static json2:&str= r#"{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `count` is never read [INFO] [stdout] --> src/lib.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 43 | pub struct JsonStruct<'a>{ [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 46 | count:i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `JsonStruct` 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 `count` is never read [INFO] [stdout] --> src/lib.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 57 | pub struct JsonStruct2<'a>{ [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 61 | count:i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `JsonStruct2` 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 `count` is never read [INFO] [stdout] --> src/lib.rs:78:5 [INFO] [stdout] | [INFO] [stdout] 73 | pub struct JsonStruct3<'a>{ [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 78 | count:i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `JsonStruct3` 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 `count` is never read [INFO] [stdout] --> src/lib.rs:100:5 [INFO] [stdout] | [INFO] [stdout] 97 | pub struct JsonStruct4<'a>{ [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 100 | count:i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `JsonStruct4` 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 `age` is never read [INFO] [stdout] --> src/lib.rs:113:5 [INFO] [stdout] | [INFO] [stdout] 111 | pub struct User<'a>{ [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 112 | pub user:&'a str, [INFO] [stdout] 113 | age:i32, [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: static variable `json1` should have an upper case name [INFO] [stdout] --> src/lib.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | static json1:&str= r#"{ [INFO] [stdout] | ^^^^^ help: convert the identifier to upper case: `JSON1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `json2` should have an upper case name [INFO] [stdout] --> src/lib.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | static json2:&str= r#"{ [INFO] [stdout] | ^^^^^ help: convert the identifier to upper case: `JSON2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `DATA` should have a snake case name [INFO] [stdout] --> src/lib.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | pub DATA : User<'a>, [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `data` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `AUTHORIZED` should have a snake case name [INFO] [stdout] --> src/lib.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | pub AUTHORIZED:bool, [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `authorized` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `count` is never read [INFO] [stdout] --> src/lib.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 43 | pub struct JsonStruct<'a>{ [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 46 | count:i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `JsonStruct` 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 `count` is never read [INFO] [stdout] --> src/lib.rs:100:5 [INFO] [stdout] | [INFO] [stdout] 97 | pub struct JsonStruct4<'a>{ [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 100 | count:i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `JsonStruct4` 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 `age` is never read [INFO] [stdout] --> src/lib.rs:113:5 [INFO] [stdout] | [INFO] [stdout] 111 | pub struct User<'a>{ [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 112 | pub user:&'a str, [INFO] [stdout] 113 | age:i32, [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: static variable `json1` should have an upper case name [INFO] [stdout] --> src/lib.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | static json1:&str= r#"{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] help: convert the identifier to upper case [INFO] [stdout] | [INFO] [stdout] 9 - static json1:&str= r#"{ [INFO] [stdout] 9 + static JSON1:&str= r#"{ [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `json2` should have an upper case name [INFO] [stdout] --> src/lib.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | static json2:&str= r#"{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] help: convert the identifier to upper case [INFO] [stdout] | [INFO] [stdout] 17 - static json2:&str= r#"{ [INFO] [stdout] 17 + static JSON2:&str= r#"{ [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `DATA` should have a snake case name [INFO] [stdout] --> src/lib.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | pub DATA : User<'a>, [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `data` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `AUTHORIZED` should have a snake case name [INFO] [stdout] --> src/lib.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | pub AUTHORIZED:bool, [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `authorized` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_study::*` [INFO] [stdout] --> examples/serde_simplejson.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_study::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `json1` is never used [INFO] [stdout] --> examples/serde_simplejson.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | static json1:&str= r#"{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `json1` should have an upper case name [INFO] [stdout] --> examples/serde_simplejson.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | static json1:&str= r#"{ [INFO] [stdout] | ^^^^^ help: convert the identifier to upper case: `JSON1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.46s [INFO] running `Command { std: "docker" "inspect" "6638ec47d0b3b7dbf626fcd206506bea7f5d818ac821a3bd56dce82596402e2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6638ec47d0b3b7dbf626fcd206506bea7f5d818ac821a3bd56dce82596402e2e", kill_on_drop: false }` [INFO] [stdout] 6638ec47d0b3b7dbf626fcd206506bea7f5d818ac821a3bd56dce82596402e2e