[INFO] cloning repository https://github.com/niklasf/pheres
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/niklasf/pheres" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniklasf%2Fpheres", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniklasf%2Fpheres'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47633c49377db6a5654e8be3bb590e019218c73d
[INFO] building niklasf/pheres against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniklasf%2Fpheres" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/niklasf/pheres on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/niklasf/pheres
[INFO] finished tweaking git repo https://github.com/niklasf/pheres
[INFO] tweaked toml for git repo https://github.com/niklasf/pheres written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/niklasf/pheres 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" "+334963c956d25708feab489a3816ae63f639355d" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rowan v0.15.3
[INFO] [stderr]   Downloaded text-size v1.1.0
[INFO] [stderr]   Downloaded countme v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fbab4154319052d8438d262ac6c173e490f7b4b715d2bb30930fe17f9c85373
[INFO] running `Command { std: "docker" "start" "-a" "7fbab4154319052d8438d262ac6c173e490f7b4b715d2bb30930fe17f9c85373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fbab4154319052d8438d262ac6c173e490f7b4b715d2bb30930fe17f9c85373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fbab4154319052d8438d262ac6c173e490f7b4b715d2bb30930fe17f9c85373", kill_on_drop: false }`
[INFO] [stdout] 7fbab4154319052d8438d262ac6c173e490f7b4b715d2bb30930fe17f9c85373
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "-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" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 452e45175edbdfbe39cf7f3349308b73252224af9d8314488359ff2964d37229
[INFO] running `Command { std: "docker" "start" "-a" "452e45175edbdfbe39cf7f3349308b73252224af9d8314488359ff2964d37229", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling text-size v1.1.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling countme v3.0.0
[INFO] [stderr]    Compiling hashbrown v0.12.0
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling rowan v0.15.3
[INFO] [stderr]    Compiling pheres v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `VariableId` is never constructed
[INFO] [stdout]  --> src/runtime.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct VariableId(u64);
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]  --> src/runtime.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum Value {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `List` is never used
[INFO] [stdout]   --> src/runtime.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum List {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UnaryOparator` is never used
[INFO] [stdout]   --> src/runtime.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 | enum UnaryOparator {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BinaryOperator` is never used
[INFO] [stdout]   --> src/runtime.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum BinaryOperator {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `State` is never constructed
[INFO] [stdout]   --> src/runtime.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct State {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Context` is never constructed
[INFO] [stdout]   --> src/runtime.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Context {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "452e45175edbdfbe39cf7f3349308b73252224af9d8314488359ff2964d37229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "452e45175edbdfbe39cf7f3349308b73252224af9d8314488359ff2964d37229", kill_on_drop: false }`
[INFO] [stdout] 452e45175edbdfbe39cf7f3349308b73252224af9d8314488359ff2964d37229
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "-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" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75b3544ebd7e2d89bbbe737371792758c75d9534cc2cc653336b1b5931dd30d7
[INFO] running `Command { std: "docker" "start" "-a" "75b3544ebd7e2d89bbbe737371792758c75d9534cc2cc653336b1b5931dd30d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling pheres v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `VariableId` is never constructed
[INFO] [stdout]  --> src/runtime.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct VariableId(u64);
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]  --> src/runtime.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum Value {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `List` is never used
[INFO] [stdout]   --> src/runtime.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum List {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UnaryOparator` is never used
[INFO] [stdout]   --> src/runtime.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 | enum UnaryOparator {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BinaryOperator` is never used
[INFO] [stdout]   --> src/runtime.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum BinaryOperator {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `State` is never constructed
[INFO] [stdout]   --> src/runtime.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct State {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Context` is never constructed
[INFO] [stdout]   --> src/runtime.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Context {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "75b3544ebd7e2d89bbbe737371792758c75d9534cc2cc653336b1b5931dd30d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b3544ebd7e2d89bbbe737371792758c75d9534cc2cc653336b1b5931dd30d7", kill_on_drop: false }`
[INFO] [stdout] 75b3544ebd7e2d89bbbe737371792758c75d9534cc2cc653336b1b5931dd30d7