[INFO] cloning repository https://github.com/bwangelme/hello_cargo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bwangelme/hello_cargo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwangelme%2Fhello_cargo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwangelme%2Fhello_cargo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbee5ddd788a88fc4e774254e94ad622ec4a8da9
[INFO] building bwangelme/hello_cargo against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwangelme%2Fhello_cargo" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bwangelme/hello_cargo 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 git repo https://github.com/bwangelme/hello_cargo
[INFO] finished tweaking git repo https://github.com/bwangelme/hello_cargo
[INFO] tweaked toml for git repo https://github.com/bwangelme/hello_cargo written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bwangelme/hello_cargo 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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d99c4d975d00708280896d74c79e1583066896cb0784a3ef22892fca67db57f8
[INFO] running `Command { std: "docker" "start" "-a" "d99c4d975d00708280896d74c79e1583066896cb0784a3ef22892fca67db57f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d99c4d975d00708280896d74c79e1583066896cb0784a3ef22892fca67db57f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d99c4d975d00708280896d74c79e1583066896cb0784a3ef22892fca67db57f8", kill_on_drop: false }`
[INFO] [stdout] d99c4d975d00708280896d74c79e1583066896cb0784a3ef22892fca67db57f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f0352cdd2626d1e9c4088f87af77b6955aee424e887367aa95563f9db53c133d
[INFO] running `Command { std: "docker" "start" "-a" "f0352cdd2626d1e9c4088f87af77b6955aee424e887367aa95563f9db53c133d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling integer-encoding v3.0.4
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling thrift v0.17.0
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/tutorial.rs:102:10
[INFO] [stdout]     |
[INFO] [stdout] 101 | impl <H: CalculatorSyncHandler> CalculatorSyncProcessor<H> {
[INFO] [stdout]     | ---------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 102 |   pub fn new(handler: H) -> CalculatorSyncProcessor<H> {
[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 5.05s
[INFO] running `Command { std: "docker" "inspect" "f0352cdd2626d1e9c4088f87af77b6955aee424e887367aa95563f9db53c133d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0352cdd2626d1e9c4088f87af77b6955aee424e887367aa95563f9db53c133d", kill_on_drop: false }`
[INFO] [stdout] f0352cdd2626d1e9c4088f87af77b6955aee424e887367aa95563f9db53c133d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a5b941f3f9030c9b8e3981213fce9a29f5f2b20e6fb90e7d021260b1123b3893
[INFO] running `Command { std: "docker" "start" "-a" "a5b941f3f9030c9b8e3981213fce9a29f5f2b20e6fb90e7d021260b1123b3893", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/tutorial.rs:102:10
[INFO] [stdout]     |
[INFO] [stdout] 101 | impl <H: CalculatorSyncHandler> CalculatorSyncProcessor<H> {
[INFO] [stdout]     | ---------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 102 |   pub fn new(handler: H) -> CalculatorSyncProcessor<H> {
[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 0.28s
[INFO] running `Command { std: "docker" "inspect" "a5b941f3f9030c9b8e3981213fce9a29f5f2b20e6fb90e7d021260b1123b3893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b941f3f9030c9b8e3981213fce9a29f5f2b20e6fb90e7d021260b1123b3893", kill_on_drop: false }`
[INFO] [stdout] a5b941f3f9030c9b8e3981213fce9a29f5f2b20e6fb90e7d021260b1123b3893