[INFO] cloning repository https://github.com/aydaultani/swm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aydaultani/swm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faydaultani%2Fswm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faydaultani%2Fswm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e702bef18fbe9fbf41352769e56b0ca8a9514739
[INFO] building aydaultani/swm against try#58b1b3c5342a414c161338871f8004258ccef2a7 for pr-149937
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faydaultani%2Fswm" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/aydaultani/swm
[INFO] finished tweaking git repo https://github.com/aydaultani/swm
[INFO] tweaked toml for git repo https://github.com/aydaultani/swm written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aydaultani/swm on toolchain 58b1b3c5342a414c161338871f8004258ccef2a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aydaultani/swm 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" "+58b1b3c5342a414c161338871f8004258ccef2a7" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e39e361e24f402a31c977d30a8b41e00cf7cb0d45c0a3cd5f5459e4daaef131f
[INFO] running `Command { std: "docker" "start" "-a" "e39e361e24f402a31c977d30a8b41e00cf7cb0d45c0a3cd5f5459e4daaef131f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e39e361e24f402a31c977d30a8b41e00cf7cb0d45c0a3cd5f5459e4daaef131f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e39e361e24f402a31c977d30a8b41e00cf7cb0d45c0a3cd5f5459e4daaef131f", kill_on_drop: false }`
[INFO] [stdout] e39e361e24f402a31c977d30a8b41e00cf7cb0d45c0a3cd5f5459e4daaef131f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d934ccca66292910e8fd4a186658182c123a261e87429d5304c9dd77aecebcc3
[INFO] running `Command { std: "docker" "start" "-a" "d934ccca66292910e8fd4a186658182c123a261e87429d5304c9dd77aecebcc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling svm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::instructions::*`
[INFO] [stdout]  --> src/vm.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::instructions::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec`
[INFO] [stdout]  --> src/instructions/misc.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::vec;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]   --> src/vm.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let stack = &mut s;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/instructions/arithmetic.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn add(stack: &mut Vec<i32>) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub` is never used
[INFO] [stdout]  --> src/instructions/arithmetic.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn sub(stack: &mut Vec<i32>) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul` is never used
[INFO] [stdout]   --> src/instructions/arithmetic.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn mul(stack: &mut Vec<i32>) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div` is never used
[INFO] [stdout]   --> src/instructions/arithmetic.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn div(stack: &mut Vec<i32>) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_arg` is never used
[INFO] [stdout]  --> src/instructions/getset.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn get_arg(stack: &mut Vec<i32>, n: usize) {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_arg` is never used
[INFO] [stdout]  --> src/instructions/getset.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn set_arg(stack: &mut Vec<i32>, n: usize, val: i32) {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `push` is never used
[INFO] [stdout]  --> src/instructions/manipulation.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn push(stack: &mut Vec<i32>, value: i32) {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pop` is never used
[INFO] [stdout]  --> src/instructions/manipulation.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn pop(stack: &mut Vec<i32>) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print` is never used
[INFO] [stdout]  --> src/instructions/visual.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn print(stack: &Vec<i32>) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_stack` is never used
[INFO] [stdout]  --> src/instructions/visual.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn print_stack(stack: &Vec<i32>) {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `noop` is never used
[INFO] [stdout]  --> src/instructions/misc.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn noop() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "d934ccca66292910e8fd4a186658182c123a261e87429d5304c9dd77aecebcc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d934ccca66292910e8fd4a186658182c123a261e87429d5304c9dd77aecebcc3", kill_on_drop: false }`
[INFO] [stdout] d934ccca66292910e8fd4a186658182c123a261e87429d5304c9dd77aecebcc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf4e59b2189717335c3721dda32c888c281e21bf9f3942a6c17ad70d5bec63b1
[INFO] running `Command { std: "docker" "start" "-a" "bf4e59b2189717335c3721dda32c888c281e21bf9f3942a6c17ad70d5bec63b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling svm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::instructions::*`
[INFO] [stdout]  --> src/vm.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::instructions::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec`
[INFO] [stdout]  --> src/instructions/misc.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::vec;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]   --> src/vm.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let stack = &mut s;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/instructions/arithmetic.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn add(stack: &mut Vec<i32>) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub` is never used
[INFO] [stdout]  --> src/instructions/arithmetic.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn sub(stack: &mut Vec<i32>) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul` is never used
[INFO] [stdout]   --> src/instructions/arithmetic.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn mul(stack: &mut Vec<i32>) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div` is never used
[INFO] [stdout]   --> src/instructions/arithmetic.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn div(stack: &mut Vec<i32>) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_arg` is never used
[INFO] [stdout]  --> src/instructions/getset.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn get_arg(stack: &mut Vec<i32>, n: usize) {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_arg` is never used
[INFO] [stdout]  --> src/instructions/getset.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn set_arg(stack: &mut Vec<i32>, n: usize, val: i32) {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `push` is never used
[INFO] [stdout]  --> src/instructions/manipulation.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn push(stack: &mut Vec<i32>, value: i32) {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pop` is never used
[INFO] [stdout]  --> src/instructions/manipulation.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn pop(stack: &mut Vec<i32>) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print` is never used
[INFO] [stdout]  --> src/instructions/visual.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn print(stack: &Vec<i32>) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_stack` is never used
[INFO] [stdout]  --> src/instructions/visual.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn print_stack(stack: &Vec<i32>) {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `noop` is never used
[INFO] [stdout]  --> src/instructions/misc.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn noop() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "bf4e59b2189717335c3721dda32c888c281e21bf9f3942a6c17ad70d5bec63b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf4e59b2189717335c3721dda32c888c281e21bf9f3942a6c17ad70d5bec63b1", kill_on_drop: false }`
[INFO] [stdout] bf4e59b2189717335c3721dda32c888c281e21bf9f3942a6c17ad70d5bec63b1