[INFO] fetching crate auth_service_silent 0.1.0...
[INFO] building auth_service_silent-0.1.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate auth_service_silent 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate auth_service_silent 0.1.0 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 auth_service_silent 0.1.0
[INFO] finished tweaking crates.io crate auth_service_silent 0.1.0
[INFO] tweaked toml for crates.io crate auth_service_silent 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate auth_service_silent 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b32e0fd2493992310282905cac9086982402f9eaad031ed9d5f797aac815f3bc
[INFO] running `Command { std: "docker" "start" "-a" "b32e0fd2493992310282905cac9086982402f9eaad031ed9d5f797aac815f3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b32e0fd2493992310282905cac9086982402f9eaad031ed9d5f797aac815f3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b32e0fd2493992310282905cac9086982402f9eaad031ed9d5f797aac815f3bc", kill_on_drop: false }`
[INFO] [stdout] b32e0fd2493992310282905cac9086982402f9eaad031ed9d5f797aac815f3bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 10607cf820e6a223426508bdc019b12e6bd63e6916858e1d7537cc5129296f8d
[INFO] running `Command { std: "docker" "start" "-a" "10607cf820e6a223426508bdc019b12e6bd63e6916858e1d7537cc5129296f8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling auth_service_silent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `creds`
[INFO] [stdout]  --> src/auth_utils/mod.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn login(creds: &models::Credentials) {
[INFO] [stdout]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_creds`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `logout` is never used
[INFO] [stdout]  --> src/auth_utils/mod.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn logout() {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "10607cf820e6a223426508bdc019b12e6bd63e6916858e1d7537cc5129296f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10607cf820e6a223426508bdc019b12e6bd63e6916858e1d7537cc5129296f8d", kill_on_drop: false }`
[INFO] [stdout] 10607cf820e6a223426508bdc019b12e6bd63e6916858e1d7537cc5129296f8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2f88a80f3669dbd361b79b224d390d1da90a223a156e9615b004adc416198007
[INFO] running `Command { std: "docker" "start" "-a" "2f88a80f3669dbd361b79b224d390d1da90a223a156e9615b004adc416198007", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `creds`
[INFO] [stdout]  --> src/auth_utils/mod.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn login(creds: &models::Credentials) {
[INFO] [stdout]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_creds`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `logout` is never used
[INFO] [stdout]  --> src/auth_utils/mod.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn logout() {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling auth_service_silent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `creds`
[INFO] [stdout]  --> src/auth_utils/mod.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn login(creds: &models::Credentials) {
[INFO] [stdout]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_creds`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `logout` is never used
[INFO] [stdout]  --> src/auth_utils/mod.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn logout() {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "2f88a80f3669dbd361b79b224d390d1da90a223a156e9615b004adc416198007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f88a80f3669dbd361b79b224d390d1da90a223a156e9615b004adc416198007", kill_on_drop: false }`
[INFO] [stdout] 2f88a80f3669dbd361b79b224d390d1da90a223a156e9615b004adc416198007