[INFO] cloning repository https://github.com/scaraven/tintinvm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scaraven/tintinvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscaraven%2Ftintinvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscaraven%2Ftintinvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c57a21ea54ca11bb7fd2429ef531e2c10886fbfe
[INFO] checking scaraven/tintinvm against try#b4c55082edd8dec08ce8af276d7054d9c4db20c4 for pr-147984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscaraven%2Ftintinvm" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/scaraven/tintinvm
[INFO] finished tweaking git repo https://github.com/scaraven/tintinvm
[INFO] tweaked toml for git repo https://github.com/scaraven/tintinvm written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/scaraven/tintinvm on toolchain b4c55082edd8dec08ce8af276d7054d9c4db20c4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/scaraven/tintinvm 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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking scaraven/tintinvm against try#b4c55082edd8dec08ce8af276d7054d9c4db20c4 for pr-147984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscaraven%2Ftintinvm" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/scaraven/tintinvm
[INFO] finished tweaking git repo https://github.com/scaraven/tintinvm
[INFO] tweaked toml for git repo https://github.com/scaraven/tintinvm written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/scaraven/tintinvm on toolchain b4c55082edd8dec08ce8af276d7054d9c4db20c4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/scaraven/tintinvm 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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 934f256786dd8acf0b045b2b2625254df3358d2232dcf3416a0df6fe3393564c
[INFO] running `Command { std: "docker" "start" "-a" "934f256786dd8acf0b045b2b2625254df3358d2232dcf3416a0df6fe3393564c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "934f256786dd8acf0b045b2b2625254df3358d2232dcf3416a0df6fe3393564c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "934f256786dd8acf0b045b2b2625254df3358d2232dcf3416a0df6fe3393564c", kill_on_drop: false }`
[INFO] [stdout] 934f256786dd8acf0b045b2b2625254df3358d2232dcf3416a0df6fe3393564c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97d18bb3101e3c055ac0f89931811c7dda3f35c5e90e6d33763641abd22e8721
[INFO] running `Command { std: "docker" "start" "-a" "97d18bb3101e3c055ac0f89931811c7dda3f35c5e90e6d33763641abd22e8721", kill_on_drop: false }`
[INFO] [stderr]     Checking tintinvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Constraints` is never constructed
[INFO] [stdout]  --> src/constraints/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Constraints;
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `check` are never used
[INFO] [stdout]   --> src/constraints/mod.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Constraints {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout]  7 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub fn check(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Prover` is never constructed
[INFO] [stdout]  --> src/prover/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Prover;
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `prove` are never used
[INFO] [stdout]   --> src/prover/mod.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Prover {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout]  7 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub fn prove(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Trace` is never constructed
[INFO] [stdout]  --> src/trace/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Trace {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/trace/mod.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Trace {
[INFO] [stdout]   | ---------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Verifier` is never constructed
[INFO] [stdout]  --> src/verifier/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Verifier;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `verify` are never used
[INFO] [stdout]   --> src/verifier/mod.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Verifier {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout]  7 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub fn verify(&self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VM` is never constructed
[INFO] [stdout]  --> src/vm/mod.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct VM;
[INFO] [stdout]   |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `run` are never used
[INFO] [stdout]   --> src/vm/mod.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl VM {
[INFO] [stdout]    | ------- associated items in this implementation
[INFO] [stdout]  8 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn run(&mut self) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Constraints` is never constructed
[INFO] [stdout]  --> src/constraints/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Constraints;
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Instr` is never used
[INFO] [stdout]  --> src/vm/instr.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Instr {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VMState` is never constructed
[INFO] [stdout]  --> src/vm/state.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct VMState {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/vm/state.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl VMState {
[INFO] [stdout]   | ------------ associated function in this implementation
[INFO] [stdout] 8 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `check` are never used
[INFO] [stdout]   --> src/constraints/mod.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Constraints {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout]  7 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub fn check(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Prover` is never constructed
[INFO] [stdout]  --> src/prover/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Prover;
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `prove` are never used
[INFO] [stdout]   --> src/prover/mod.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Prover {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout]  7 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub fn prove(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Trace` is never constructed
[INFO] [stdout]  --> src/trace/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Trace {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/trace/mod.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Trace {
[INFO] [stdout]   | ---------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Verifier` is never constructed
[INFO] [stdout]  --> src/verifier/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Verifier;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `verify` are never used
[INFO] [stdout]   --> src/verifier/mod.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Verifier {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout]  7 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub fn verify(&self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VM` is never constructed
[INFO] [stdout]  --> src/vm/mod.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct VM;
[INFO] [stdout]   |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `run` are never used
[INFO] [stdout]   --> src/vm/mod.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl VM {
[INFO] [stdout]    | ------- associated items in this implementation
[INFO] [stdout]  8 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn run(&mut self) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Instr` is never used
[INFO] [stdout]  --> src/vm/instr.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Instr {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VMState` is never constructed
[INFO] [stdout]  --> src/vm/state.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct VMState {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/vm/state.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl VMState {
[INFO] [stdout]   | ------------ associated function in this implementation
[INFO] [stdout] 8 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "97d18bb3101e3c055ac0f89931811c7dda3f35c5e90e6d33763641abd22e8721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97d18bb3101e3c055ac0f89931811c7dda3f35c5e90e6d33763641abd22e8721", kill_on_drop: false }`
[INFO] [stdout] 97d18bb3101e3c055ac0f89931811c7dda3f35c5e90e6d33763641abd22e8721
