[INFO] cloning repository https://github.com/misssonder/calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/misssonder/calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmisssonder%2Fcalculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmisssonder%2Fcalculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ba06f1cc633cdc5b819ef2446117ee3c54e9bb4
[INFO] building misssonder/calculator 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%2Fmisssonder%2Fcalculator" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/misssonder/calculator 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/misssonder/calculator
[INFO] finished tweaking git repo https://github.com/misssonder/calculator
[INFO] tweaked toml for git repo https://github.com/misssonder/calculator written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/misssonder/calculator 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 19668754ca9a54661bd2e703ac9e2cb9673765fd47b65f1d0e1d308cf2346898
[INFO] running `Command { std: "docker" "start" "-a" "19668754ca9a54661bd2e703ac9e2cb9673765fd47b65f1d0e1d308cf2346898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19668754ca9a54661bd2e703ac9e2cb9673765fd47b65f1d0e1d308cf2346898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19668754ca9a54661bd2e703ac9e2cb9673765fd47b65f1d0e1d308cf2346898", kill_on_drop: false }`
[INFO] [stdout] 19668754ca9a54661bd2e703ac9e2cb9673765fd47b65f1d0e1d308cf2346898
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 72aafa082ba0bf6805ebc446b2487e60e47a7764fdbf589458e2d4259d718296
[INFO] running `Command { std: "docker" "start" "-a" "72aafa082ba0bf6805ebc446b2487e60e47a7764fdbf589458e2d4259d718296", kill_on_drop: false }`
[INFO] [stderr]    Compiling calculator-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `augment` is never used
[INFO] [stdout]    --> src/parse.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | trait Operator: Sized {
[INFO] [stdout]     |       -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn augment(self, parser: &mut Parser) -> Result<Self>;
[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 0.37s
[INFO] running `Command { std: "docker" "inspect" "72aafa082ba0bf6805ebc446b2487e60e47a7764fdbf589458e2d4259d718296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72aafa082ba0bf6805ebc446b2487e60e47a7764fdbf589458e2d4259d718296", kill_on_drop: false }`
[INFO] [stdout] 72aafa082ba0bf6805ebc446b2487e60e47a7764fdbf589458e2d4259d718296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4960ea78be2b3430aae0423fb316c70a5f19d3d20a8df0e408f5d42ede498dae
[INFO] running `Command { std: "docker" "start" "-a" "4960ea78be2b3430aae0423fb316c70a5f19d3d20a8df0e408f5d42ede498dae", kill_on_drop: false }`
[INFO] [stdout] warning: method `augment` is never used
[INFO] [stdout]    --> src/parse.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | trait Operator: Sized {
[INFO] [stdout]     |       -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn augment(self, parser: &mut Parser) -> Result<Self>;
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling calculator-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `augment` is never used
[INFO] [stdout]    --> src/parse.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | trait Operator: Sized {
[INFO] [stdout]     |       -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn augment(self, parser: &mut Parser) -> Result<Self>;
[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 0.57s
[INFO] running `Command { std: "docker" "inspect" "4960ea78be2b3430aae0423fb316c70a5f19d3d20a8df0e408f5d42ede498dae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4960ea78be2b3430aae0423fb316c70a5f19d3d20a8df0e408f5d42ede498dae", kill_on_drop: false }`
[INFO] [stdout] 4960ea78be2b3430aae0423fb316c70a5f19d3d20a8df0e408f5d42ede498dae