[INFO] cloning repository https://github.com/hadrian-reppas/hug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hadrian-reppas/hug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhadrian-reppas%2Fhug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhadrian-reppas%2Fhug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 184061dd48df5b3fe19f829f4b79ee43b596b3e7
[INFO] building hadrian-reppas/hug 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%2Fhadrian-reppas%2Fhug" "/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/hadrian-reppas/hug 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/hadrian-reppas/hug
[INFO] finished tweaking git repo https://github.com/hadrian-reppas/hug
[INFO] tweaked toml for git repo https://github.com/hadrian-reppas/hug written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hadrian-reppas/hug 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] 384e930660184ddbf00f64076dda9c6b06524e4de4a12f41b96371058db402d2
[INFO] running `Command { std: "docker" "start" "-a" "384e930660184ddbf00f64076dda9c6b06524e4de4a12f41b96371058db402d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "384e930660184ddbf00f64076dda9c6b06524e4de4a12f41b96371058db402d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "384e930660184ddbf00f64076dda9c6b06524e4de4a12f41b96371058db402d2", kill_on_drop: false }`
[INFO] [stdout] 384e930660184ddbf00f64076dda9c6b06524e4de4a12f41b96371058db402d2
[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] fd52055213f4287978dffd6f087128fb0da87da45cd2f74395e38be4c19c7552
[INFO] running `Command { std: "docker" "start" "-a" "fd52055213f4287978dffd6f087128fb0da87da45cd2f74395e38be4c19c7552", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling termion v2.0.1
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling hug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/resolve.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::hir::HirId`
[INFO] [stdout]  --> src/resolve.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::hir::HirId;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FileId`
[INFO] [stdout]  --> src/resolve.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::io::{FileId, FileMap};
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::span::Span`
[INFO] [stdout]  --> src/resolve.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::span::Span;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `crates`
[INFO] [stdout]     --> src/resolve.rs:1831:16
[INFO] [stdout]      |
[INFO] [stdout] 1831 | pub fn resolve(crates: &HashMap<String, Vec<Item>>, map: &FileMap) -> Result<Resolved, Error> {
[INFO] [stdout]      |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_crates`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map`
[INFO] [stdout]     --> src/resolve.rs:1831:53
[INFO] [stdout]      |
[INFO] [stdout] 1831 | pub fn resolve(crates: &HashMap<String, Vec<Item>>, map: &FileMap) -> Result<Resolved, Error> {
[INFO] [stdout]      |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.86s
[INFO] running `Command { std: "docker" "inspect" "fd52055213f4287978dffd6f087128fb0da87da45cd2f74395e38be4c19c7552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd52055213f4287978dffd6f087128fb0da87da45cd2f74395e38be4c19c7552", kill_on_drop: false }`
[INFO] [stdout] fd52055213f4287978dffd6f087128fb0da87da45cd2f74395e38be4c19c7552
[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] e8d4df25da69921d324bec1e8f750d28d971b70736ab1ef3f9fdb0946ac37e61
[INFO] running `Command { std: "docker" "start" "-a" "e8d4df25da69921d324bec1e8f750d28d971b70736ab1ef3f9fdb0946ac37e61", kill_on_drop: false }`
[INFO] [stderr]    Compiling hug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/resolve.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::hir::HirId`
[INFO] [stdout]  --> src/resolve.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::hir::HirId;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FileId`
[INFO] [stdout]  --> src/resolve.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::io::{FileId, FileMap};
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::span::Span`
[INFO] [stdout]  --> src/resolve.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::span::Span;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `crates`
[INFO] [stdout]     --> src/resolve.rs:1831:16
[INFO] [stdout]      |
[INFO] [stdout] 1831 | pub fn resolve(crates: &HashMap<String, Vec<Item>>, map: &FileMap) -> Result<Resolved, Error> {
[INFO] [stdout]      |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_crates`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map`
[INFO] [stdout]     --> src/resolve.rs:1831:53
[INFO] [stdout]      |
[INFO] [stdout] 1831 | pub fn resolve(crates: &HashMap<String, Vec<Item>>, map: &FileMap) -> Result<Resolved, Error> {
[INFO] [stdout]      |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "e8d4df25da69921d324bec1e8f750d28d971b70736ab1ef3f9fdb0946ac37e61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8d4df25da69921d324bec1e8f750d28d971b70736ab1ef3f9fdb0946ac37e61", kill_on_drop: false }`
[INFO] [stdout] e8d4df25da69921d324bec1e8f750d28d971b70736ab1ef3f9fdb0946ac37e61