[INFO] cloning repository https://github.com/joeyfb/aoc19-intcoder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joeyfb/aoc19-intcoder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoeyfb%2Faoc19-intcoder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoeyfb%2Faoc19-intcoder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1035f2ec5713f2c855bf9b502a9590da20b6fb72
[INFO] building joeyfb/aoc19-intcoder 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%2Fjoeyfb%2Faoc19-intcoder" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joeyfb/aoc19-intcoder 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/joeyfb/aoc19-intcoder
[INFO] finished tweaking git repo https://github.com/joeyfb/aoc19-intcoder
[INFO] tweaked toml for git repo https://github.com/joeyfb/aoc19-intcoder written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/joeyfb/aoc19-intcoder 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f3f1e27ff10f2cd32e12b96412c447410b074f7328bdc751536503e1502d3954
[INFO] running `Command { std: "docker" "start" "-a" "f3f1e27ff10f2cd32e12b96412c447410b074f7328bdc751536503e1502d3954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3f1e27ff10f2cd32e12b96412c447410b074f7328bdc751536503e1502d3954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3f1e27ff10f2cd32e12b96412c447410b074f7328bdc751536503e1502d3954", kill_on_drop: false }`
[INFO] [stdout] f3f1e27ff10f2cd32e12b96412c447410b074f7328bdc751536503e1502d3954
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] db4cf19613a606278145ef73edcb54af70c3f4f3df021f12773f305fb26244f8
[INFO] running `Command { std: "docker" "start" "-a" "db4cf19613a606278145ef73edcb54af70c3f4f3df021f12773f305fb26244f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling permutohedron v0.2.4
[INFO] [stderr]    Compiling termion v1.5.4
[INFO] [stderr]    Compiling three v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/explorer/robot.rs:10:45
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl<'a> Robot<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 10 |     pub fn new(icoder : &'a mut Intcode) -> Robot {
[INFO] [stdout]    |                                             ^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude`
[INFO] [stdout]  --> src/main.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, prelude::*};
[INFO] [stdout]   |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/intcoder.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Some(i) => return false,
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `start` and `dump` are never used
[INFO] [stdout]    --> src/intcoder.rs:63:12
[INFO] [stdout]     |
[INFO] [stdout] 25  | impl Intcode {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 63  |     pub fn start(&mut self, input: i64) -> IntResponse {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 243 |     fn dump(&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 2.95s
[INFO] running `Command { std: "docker" "inspect" "db4cf19613a606278145ef73edcb54af70c3f4f3df021f12773f305fb26244f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db4cf19613a606278145ef73edcb54af70c3f4f3df021f12773f305fb26244f8", kill_on_drop: false }`
[INFO] [stdout] db4cf19613a606278145ef73edcb54af70c3f4f3df021f12773f305fb26244f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4e545ea1da3d86f4b735a0c49db14d860406aa09a779552d5a5f958247327adf
[INFO] running `Command { std: "docker" "start" "-a" "4e545ea1da3d86f4b735a0c49db14d860406aa09a779552d5a5f958247327adf", kill_on_drop: false }`
[INFO] [stderr]    Compiling three v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/explorer/robot.rs:10:45
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl<'a> Robot<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 10 |     pub fn new(icoder : &'a mut Intcode) -> Robot {
[INFO] [stdout]    |                                             ^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude`
[INFO] [stdout]  --> src/main.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, prelude::*};
[INFO] [stdout]   |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/intcoder.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Some(i) => return false,
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "4e545ea1da3d86f4b735a0c49db14d860406aa09a779552d5a5f958247327adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e545ea1da3d86f4b735a0c49db14d860406aa09a779552d5a5f958247327adf", kill_on_drop: false }`
[INFO] [stdout] 4e545ea1da3d86f4b735a0c49db14d860406aa09a779552d5a5f958247327adf