[INFO] crate tr 0.1.3 is already in cache
[INFO] checking tr-0.1.3 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate tr 0.1.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate tr 0.1.3 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tr 0.1.3
[INFO] finished tweaking crates.io crate tr 0.1.3
[INFO] tweaked toml for crates.io crate tr 0.1.3 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab71ebd0b880dca191780132999589cccac8f99596d6a72fd34b49df86d604e2
[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" "ab71ebd0b880dca191780132999589cccac8f99596d6a72fd34b49df86d604e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab71ebd0b880dca191780132999589cccac8f99596d6a72fd34b49df86d604e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab71ebd0b880dca191780132999589cccac8f99596d6a72fd34b49df86d604e2", kill_on_drop: false }`
[INFO] [stdout] ab71ebd0b880dca191780132999589cccac8f99596d6a72fd34b49df86d604e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e008e889830edcdd1290801a8ff27e0a0e6d182469b12e60841f009a7ab34b35
[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" "e008e889830edcdd1290801a8ff27e0a0e6d182469b12e60841f009a7ab34b35", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling gettext-sys v0.19.9
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking locale_config v0.2.3
[INFO] [stderr]     Checking gettext-rs v0.4.4
[INFO] [stderr]     Checking tr v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/lib.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 265 |             { Default::default() };
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:351:41
[INFO] [stdout]     |
[INFO] [stdout] 351 |         static START: std::sync::Once = std::sync::ONCE_INIT;
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `Once::new()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/lib.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 265 |             { Default::default() };
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:351:41
[INFO] [stdout]     |
[INFO] [stdout] 351 |         static START: std::sync::Once = std::sync::ONCE_INIT;
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `Once::new()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 38s
[INFO] running `Command { std: "docker" "inspect" "e008e889830edcdd1290801a8ff27e0a0e6d182469b12e60841f009a7ab34b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e008e889830edcdd1290801a8ff27e0a0e6d182469b12e60841f009a7ab34b35", kill_on_drop: false }`
[INFO] [stdout] e008e889830edcdd1290801a8ff27e0a0e6d182469b12e60841f009a7ab34b35