[INFO] cloning repository https://github.com/hinohi/test-serde
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hinohi/test-serde" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhinohi%2Ftest-serde", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhinohi%2Ftest-serde'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dca2342baccdeee5f19e9012a989702d0db4b5a
[INFO] checking hinohi/test-serde against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhinohi%2Ftest-serde" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hinohi/test-serde on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hinohi/test-serde
[INFO] finished tweaking git repo https://github.com/hinohi/test-serde
[INFO] tweaked toml for git repo https://github.com/hinohi/test-serde written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/hinohi/test-serde already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iter-read v0.1.0
[INFO] [stderr]   Downloaded yaml-rust v0.4.2
[INFO] [stderr]   Downloaded serde_json v1.0.31
[INFO] [stderr]   Downloaded ron v0.4.0
[INFO] [stderr]   Downloaded serde-pickle v0.4.1
[INFO] [stderr]   Downloaded serde_yaml v0.8.5
[INFO] [stderr]   Downloaded serde_derive v1.0.79
[INFO] [stderr]   Downloaded serde v1.0.79
[INFO] [stderr]   Downloaded toml v0.4.8
[INFO] [stderr]   Downloaded syn v0.15.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58b98e4566a83d37093270d48a8296a27fefcb152536c920db6c4c351e3bb8f6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "58b98e4566a83d37093270d48a8296a27fefcb152536c920db6c4c351e3bb8f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58b98e4566a83d37093270d48a8296a27fefcb152536c920db6c4c351e3bb8f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58b98e4566a83d37093270d48a8296a27fefcb152536c920db6c4c351e3bb8f6", kill_on_drop: false }`
[INFO] [stdout] 58b98e4566a83d37093270d48a8296a27fefcb152536c920db6c4c351e3bb8f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 533ed33e2e753d2d6d48ed76bee86fcd2aeac1679d3d3262b9e2b5720d03989d
[INFO] running `Command { std: "docker" "start" "-a" "533ed33e2e753d2d6d48ed76bee86fcd2aeac1679d3d3262b9e2b5720d03989d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking iter-read v0.1.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.7
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking serde_json v1.0.31
[INFO] [stderr]     Checking serde-pickle v0.4.1
[INFO] [stderr]     Checking serde_yaml v0.8.5
[INFO] [stderr]     Checking ron v0.4.0
[INFO] [stderr]     Checking toml v0.4.8
[INFO] [stderr]     Checking serde-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `test`
[INFO] [stdout]  --> src/pf.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use test;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_json`
[INFO] [stdout]   --> src/val.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn test_json(p: &Point) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_yaml`
[INFO] [stdout]   --> src/val.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn test_yaml(p: &Point) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_toml`
[INFO] [stdout]   --> src/val.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn test_toml(p: &Point) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_pickle`
[INFO] [stdout]   --> src/val.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn test_pickle(p: &Point) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_ron`
[INFO] [stdout]   --> src/val.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn test_ron(p: &Point) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_rmp`
[INFO] [stdout]    --> src/val.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn test_rmp(p: &Point) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]    --> src/val.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub fn run() {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_json`
[INFO] [stdout]   --> src/val.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn test_json(p: &Point) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_yaml`
[INFO] [stdout]   --> src/val.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn test_yaml(p: &Point) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_toml`
[INFO] [stdout]   --> src/val.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn test_toml(p: &Point) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_pickle`
[INFO] [stdout]   --> src/val.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn test_pickle(p: &Point) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_ron`
[INFO] [stdout]   --> src/val.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn test_ron(p: &Point) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_rmp`
[INFO] [stdout]    --> src/val.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn test_rmp(p: &Point) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]    --> src/val.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub fn run() {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.46s
[INFO] running `Command { std: "docker" "inspect" "533ed33e2e753d2d6d48ed76bee86fcd2aeac1679d3d3262b9e2b5720d03989d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "533ed33e2e753d2d6d48ed76bee86fcd2aeac1679d3d3262b9e2b5720d03989d", kill_on_drop: false }`
[INFO] [stdout] 533ed33e2e753d2d6d48ed76bee86fcd2aeac1679d3d3262b9e2b5720d03989d