[INFO] fetching crate pesel 0.1.3...
[INFO] building pesel-0.1.3 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate pesel 0.1.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate pesel 0.1.3 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pesel 0.1.3
[INFO] finished tweaking crates.io crate pesel 0.1.3
[INFO] tweaked toml for crates.io crate pesel 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate pesel 0.1.3 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dfde641f99b8cd410fe29862614adcfbd2677d18bda8c295777f160923c3e7e
[INFO] running `Command { std: "docker" "start" "-a" "2dfde641f99b8cd410fe29862614adcfbd2677d18bda8c295777f160923c3e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dfde641f99b8cd410fe29862614adcfbd2677d18bda8c295777f160923c3e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dfde641f99b8cd410fe29862614adcfbd2677d18bda8c295777f160923c3e7e", kill_on_drop: false }`
[INFO] [stdout] 2dfde641f99b8cd410fe29862614adcfbd2677d18bda8c295777f160923c3e7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87fd511f499e65a774119e2567e104cf063701970323e8a2ce3e3f95f66aeec8
[INFO] running `Command { std: "docker" "start" "-a" "87fd511f499e65a774119e2567e104cf063701970323e8a2ce3e3f95f66aeec8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling pesel v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `checksum` is never read
[INFO] [stdout]   --> src/pesel.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct PESEL {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     checksum:   u8,                 // checksum used for validation
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PESEL` 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: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/pesel.rs:150:19
[INFO] [stdout]     |
[INFO] [stdout] 150 |             raw: s.clone().to_string(),
[INFO] [stdout]     |                   ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "87fd511f499e65a774119e2567e104cf063701970323e8a2ce3e3f95f66aeec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87fd511f499e65a774119e2567e104cf063701970323e8a2ce3e3f95f66aeec8", kill_on_drop: false }`
[INFO] [stdout] 87fd511f499e65a774119e2567e104cf063701970323e8a2ce3e3f95f66aeec8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b2853a22bab26a2983909d5b6f958773d07c5d2f9da3cc3c5cf727d4ea93dee
[INFO] running `Command { std: "docker" "start" "-a" "6b2853a22bab26a2983909d5b6f958773d07c5d2f9da3cc3c5cf727d4ea93dee", kill_on_drop: false }`
[INFO] [stdout] warning: field `checksum` is never read
[INFO] [stdout]   --> src/pesel.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct PESEL {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     checksum:   u8,                 // checksum used for validation
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PESEL` 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] [stderr]    Compiling pesel v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/pesel.rs:150:19
[INFO] [stdout]     |
[INFO] [stdout] 150 |             raw: s.clone().to_string(),
[INFO] [stdout]     |                   ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `checksum` is never read
[INFO] [stdout]   --> src/pesel.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct PESEL {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     checksum:   u8,                 // checksum used for validation
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PESEL` 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: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/pesel.rs:150:19
[INFO] [stdout]     |
[INFO] [stdout] 150 |             raw: s.clone().to_string(),
[INFO] [stdout]     |                   ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "6b2853a22bab26a2983909d5b6f958773d07c5d2f9da3cc3c5cf727d4ea93dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b2853a22bab26a2983909d5b6f958773d07c5d2f9da3cc3c5cf727d4ea93dee", kill_on_drop: false }`
[INFO] [stdout] 6b2853a22bab26a2983909d5b6f958773d07c5d2f9da3cc3c5cf727d4ea93dee