[INFO] cloning repository https://github.com/vbastioni/npuzzle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vbastioni/npuzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvbastioni%2Fnpuzzle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvbastioni%2Fnpuzzle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 406263e4f47876b52e157086c9ce574c32bb8655
[INFO] building vbastioni/npuzzle 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%2Fvbastioni%2Fnpuzzle" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vbastioni/npuzzle 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/vbastioni/npuzzle
[INFO] finished tweaking git repo https://github.com/vbastioni/npuzzle
[INFO] tweaked toml for git repo https://github.com/vbastioni/npuzzle written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vbastioni/npuzzle 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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 18cf9fda9b74e3d77d56bd1a939c89c9ca2044189fb778837286848b7056a6f5
[INFO] running `Command { std: "docker" "start" "-a" "18cf9fda9b74e3d77d56bd1a939c89c9ca2044189fb778837286848b7056a6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18cf9fda9b74e3d77d56bd1a939c89c9ca2044189fb778837286848b7056a6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18cf9fda9b74e3d77d56bd1a939c89c9ca2044189fb778837286848b7056a6f5", kill_on_drop: false }`
[INFO] [stdout] 18cf9fda9b74e3d77d56bd1a939c89c9ca2044189fb778837286848b7056a6f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 764382d22434b860b96ad0e9dc93777cf7b3172e5e7ec6e9b584882f9013835c
[INFO] running `Command { std: "docker" "start" "-a" "764382d22434b860b96ad0e9dc93777cf7b3172e5e7ec6e9b584882f9013835c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling npuzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `identity` is never used
[INFO] [stdout]  --> src/point.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Point {
[INFO] [stdout]   | ---------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn identity() -> 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 6.38s
[INFO] running `Command { std: "docker" "inspect" "764382d22434b860b96ad0e9dc93777cf7b3172e5e7ec6e9b584882f9013835c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "764382d22434b860b96ad0e9dc93777cf7b3172e5e7ec6e9b584882f9013835c", kill_on_drop: false }`
[INFO] [stdout] 764382d22434b860b96ad0e9dc93777cf7b3172e5e7ec6e9b584882f9013835c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 379dc16b4eac7be8f7a56371dccbb6087c3ad5cdc10ce5ee6c10357284afc55e
[INFO] running `Command { std: "docker" "start" "-a" "379dc16b4eac7be8f7a56371dccbb6087c3ad5cdc10ce5ee6c10357284afc55e", kill_on_drop: false }`
[INFO] [stderr]    Compiling npuzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `identity` is never used
[INFO] [stdout]  --> src/point.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Point {
[INFO] [stdout]   | ---------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn identity() -> 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 0.34s
[INFO] running `Command { std: "docker" "inspect" "379dc16b4eac7be8f7a56371dccbb6087c3ad5cdc10ce5ee6c10357284afc55e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "379dc16b4eac7be8f7a56371dccbb6087c3ad5cdc10ce5ee6c10357284afc55e", kill_on_drop: false }`
[INFO] [stdout] 379dc16b4eac7be8f7a56371dccbb6087c3ad5cdc10ce5ee6c10357284afc55e