[INFO] fetching crate minecraft_decorated_strings 0.2.0...
[INFO] testing minecraft_decorated_strings-0.2.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate minecraft_decorated_strings 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate minecraft_decorated_strings 0.2.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minecraft_decorated_strings 0.2.0
[INFO] finished tweaking crates.io crate minecraft_decorated_strings 0.2.0
[INFO] tweaked toml for crates.io crate minecraft_decorated_strings 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate minecraft_decorated_strings 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", 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] 94c89341c262f519dac47501385b3eec4c8d00bb637b2eda01f883d0d4993a3f
[INFO] running `Command { std: "docker" "start" "-a" "94c89341c262f519dac47501385b3eec4c8d00bb637b2eda01f883d0d4993a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94c89341c262f519dac47501385b3eec4c8d00bb637b2eda01f883d0d4993a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94c89341c262f519dac47501385b3eec4c8d00bb637b2eda01f883d0d4993a3f", kill_on_drop: false }`
[INFO] [stdout] 94c89341c262f519dac47501385b3eec4c8d00bb637b2eda01f883d0d4993a3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9db8d021d3bf1d18b411519939aff5159847f6dece9d8033d53a71697efb5830
[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" "9db8d021d3bf1d18b411519939aff5159847f6dece9d8033d53a71697efb5830", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling ahash v0.3.7
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling hashlink v0.5.1
[INFO] [stderr]    Compiling minecraft_decorated_strings v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]   --> src/main.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     if  {target_str.is_empty()} {
[INFO] [stdout]    |         ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 65 -     if  {target_str.is_empty()} {
[INFO] [stdout] 65 +     if  target_str.is_empty() {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     if  {target_code.is_empty()} {
[INFO] [stdout]    |         ^                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 73 -     if  {target_code.is_empty()} {
[INFO] [stdout] 73 +     if  target_code.is_empty() {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]   --> src/main.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     if  {target_code == "help".to_string()} {
[INFO] [stdout]    |         ^                                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 78 -     if  {target_code == "help".to_string()} {
[INFO] [stdout] 78 +     if  target_code == "help".to_string() {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.76s
[INFO] running `Command { std: "docker" "inspect" "9db8d021d3bf1d18b411519939aff5159847f6dece9d8033d53a71697efb5830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9db8d021d3bf1d18b411519939aff5159847f6dece9d8033d53a71697efb5830", kill_on_drop: false }`
[INFO] [stdout] 9db8d021d3bf1d18b411519939aff5159847f6dece9d8033d53a71697efb5830
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1134d28f68deda117826beaa23b83dac2443dd0da6a9c7289961f9cb13ce999
[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" "d1134d28f68deda117826beaa23b83dac2443dd0da6a9c7289961f9cb13ce999", kill_on_drop: false }`
[INFO] [stderr]    Compiling minecraft_decorated_strings v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]   --> src/main.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     if  {target_str.is_empty()} {
[INFO] [stdout]    |         ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 65 -     if  {target_str.is_empty()} {
[INFO] [stdout] 65 +     if  target_str.is_empty() {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     if  {target_code.is_empty()} {
[INFO] [stdout]    |         ^                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 73 -     if  {target_code.is_empty()} {
[INFO] [stdout] 73 +     if  target_code.is_empty() {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]   --> src/main.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     if  {target_code == "help".to_string()} {
[INFO] [stdout]    |         ^                                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 78 -     if  {target_code == "help".to_string()} {
[INFO] [stdout] 78 +     if  target_code == "help".to_string() {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "d1134d28f68deda117826beaa23b83dac2443dd0da6a9c7289961f9cb13ce999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1134d28f68deda117826beaa23b83dac2443dd0da6a9c7289961f9cb13ce999", kill_on_drop: false }`
[INFO] [stdout] d1134d28f68deda117826beaa23b83dac2443dd0da6a9c7289961f9cb13ce999
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", 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] f6958db303ab907cd9b966bb80e407f3dfe2b7920f935b0606bc1eca7fa47c0c
[INFO] running `Command { std: "docker" "start" "-a" "f6958db303ab907cd9b966bb80e407f3dfe2b7920f935b0606bc1eca7fa47c0c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary braces around `if` condition
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:65:9
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 65 |     if  {target_str.is_empty()} {
[INFO] [stdout] 
[INFO] [stderr]    |         ^                     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 65 -     if  {target_str.is_empty()} {
[INFO] [stderr] 65 +     if  target_str.is_empty() {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `if` condition
[INFO] [stderr]   --> src/main.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |     if  {target_code.is_empty()} {
[INFO] [stderr]    |         ^                      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 73 -     if  {target_code.is_empty()} {
[INFO] [stderr] 73 +     if  target_code.is_empty() {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `if` condition
[INFO] [stderr]   --> src/main.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     if  {target_code == "help".to_string()} {
[INFO] [stderr]    |         ^                                 ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 78 -     if  {target_code == "help".to_string()} {
[INFO] [stderr] 78 +     if  target_code == "help".to_string() {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `minecraft_decorated_strings` (bin "minecraft_decorated_strings" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minecraft_decorated_strings-1ef5eb6c760dcc76)
[INFO] running `Command { std: "docker" "inspect" "f6958db303ab907cd9b966bb80e407f3dfe2b7920f935b0606bc1eca7fa47c0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6958db303ab907cd9b966bb80e407f3dfe2b7920f935b0606bc1eca7fa47c0c", kill_on_drop: false }`
[INFO] [stdout] f6958db303ab907cd9b966bb80e407f3dfe2b7920f935b0606bc1eca7fa47c0c