[INFO] cloning repository https://github.com/liesnikov/mlang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liesnikov/mlang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliesnikov%2Fmlang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliesnikov%2Fmlang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6df18d454865b3d4b0c4ee24ed63ef8b2325a4f1
[INFO] checking liesnikov/mlang against try#84addd32a13fa2d3f62fe5d99031611147b7fb13 for pr-147565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliesnikov%2Fmlang" "/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/liesnikov/mlang
[INFO] finished tweaking git repo https://github.com/liesnikov/mlang
[INFO] tweaked toml for git repo https://github.com/liesnikov/mlang written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/liesnikov/mlang on toolchain 84addd32a13fa2d3f62fe5d99031611147b7fb13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/liesnikov/mlang 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" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "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 liesnikov/mlang against try#84addd32a13fa2d3f62fe5d99031611147b7fb13 for pr-147565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliesnikov%2Fmlang" "/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/liesnikov/mlang
[INFO] finished tweaking git repo https://github.com/liesnikov/mlang
[INFO] tweaked toml for git repo https://github.com/liesnikov/mlang written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/liesnikov/mlang on toolchain 84addd32a13fa2d3f62fe5d99031611147b7fb13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/liesnikov/mlang 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" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "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 unsafe-libyaml v0.2.4
[INFO] [stderr]   Downloaded serde_yaml v0.9.13
[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" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b55411853d89e2f1a4e50b634183a29e88f0bec6cb0a9c43100e28faf6ef40ab
[INFO] running `Command { std: "docker" "start" "-a" "b55411853d89e2f1a4e50b634183a29e88f0bec6cb0a9c43100e28faf6ef40ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b55411853d89e2f1a4e50b634183a29e88f0bec6cb0a9c43100e28faf6ef40ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b55411853d89e2f1a4e50b634183a29e88f0bec6cb0a9c43100e28faf6ef40ab", kill_on_drop: false }`
[INFO] [stdout] b55411853d89e2f1a4e50b634183a29e88f0bec6cb0a9c43100e28faf6ef40ab
[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" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c10113c5ee127a91053d2b45dfc48493f0bc443951a388620361cc848200d5f
[INFO] running `Command { std: "docker" "start" "-a" "7c10113c5ee127a91053d2b45dfc48493f0bc443951a388620361cc848200d5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking unsafe-libyaml v0.2.4
[INFO] [stderr]     Checking serde_yaml v0.9.13
[INFO] [stderr]     Checking mlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MBool` is never constructed
[INFO] [stdout]  --> src/mlang/expr.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct MBool {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MMinus` is never constructed
[INFO] [stdout]   --> src/mlang/expr.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct MMinus{
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mminus` is never used
[INFO] [stdout]   --> src/mlang/expr.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn mminus(l : Box<dyn MExpr<isize>>, r : Box<dyn MExpr<isize>>) -> Box<dyn MExpr<isize>> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `muminus` is never used
[INFO] [stdout]   --> src/mlang/expr.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn muminus(i : Box<dyn MExpr<isize>>) -> Box<dyn MExpr<isize>> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MBoolV` is never constructed
[INFO] [stdout]    --> src/mlang/expr.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub struct MBoolV {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mbool` is never used
[INFO] [stdout]    --> src/mlang/expr.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub fn mbool(b : bool) -> Box<dyn MExpr<bool>> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MBoolNeg` is never constructed
[INFO] [stdout]    --> src/mlang/expr.rs:143:12
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub struct MBoolNeg {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mboolneg` is never used
[INFO] [stdout]    --> src/mlang/expr.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub fn mboolneg(b : Box<dyn MExpr<bool>>) -> Box<dyn MExpr<bool>> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MAnd` is never constructed
[INFO] [stdout]    --> src/mlang/expr.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 162 | pub struct MAnd{
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mand` is never used
[INFO] [stdout]    --> src/mlang/expr.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub fn mand(l : Box<dyn MExpr<bool>>, r : Box<dyn MExpr<bool>>) -> Box<dyn MExpr<bool>> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MOr` is never constructed
[INFO] [stdout]    --> src/mlang/expr.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub struct MOr{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mor` is never used
[INFO] [stdout]    --> src/mlang/expr.rs:189:8
[INFO] [stdout]     |
[INFO] [stdout] 189 | pub fn mor(l : Box<dyn MExpr<bool>>, r : Box<dyn MExpr<bool>>) -> Box<dyn MExpr<bool>> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MIf` is never constructed
[INFO] [stdout]    --> src/mlang/expr.rs:206:12
[INFO] [stdout]     |
[INFO] [stdout] 206 | pub struct MIf<T>{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mif` is never used
[INFO] [stdout]    --> src/mlang/expr.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 | pub fn mif<T>(c : Box<dyn MExpr<bool>>,
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MBool` is never constructed
[INFO] [stdout]  --> src/mlang/expr.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct MBool {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MMinus` is never constructed
[INFO] [stdout]   --> src/mlang/expr.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct MMinus{
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mminus` is never used
[INFO] [stdout]   --> src/mlang/expr.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn mminus(l : Box<dyn MExpr<isize>>, r : Box<dyn MExpr<isize>>) -> Box<dyn MExpr<isize>> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `muminus` is never used
[INFO] [stdout]   --> src/mlang/expr.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn muminus(i : Box<dyn MExpr<isize>>) -> Box<dyn MExpr<isize>> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MBoolV` is never constructed
[INFO] [stdout]    --> src/mlang/expr.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub struct MBoolV {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mbool` is never used
[INFO] [stdout]    --> src/mlang/expr.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub fn mbool(b : bool) -> Box<dyn MExpr<bool>> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MBoolNeg` is never constructed
[INFO] [stdout]    --> src/mlang/expr.rs:143:12
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub struct MBoolNeg {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mboolneg` is never used
[INFO] [stdout]    --> src/mlang/expr.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub fn mboolneg(b : Box<dyn MExpr<bool>>) -> Box<dyn MExpr<bool>> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MAnd` is never constructed
[INFO] [stdout]    --> src/mlang/expr.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 162 | pub struct MAnd{
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mand` is never used
[INFO] [stdout]    --> src/mlang/expr.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub fn mand(l : Box<dyn MExpr<bool>>, r : Box<dyn MExpr<bool>>) -> Box<dyn MExpr<bool>> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MOr` is never constructed
[INFO] [stdout]    --> src/mlang/expr.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub struct MOr{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mor` is never used
[INFO] [stdout]    --> src/mlang/expr.rs:189:8
[INFO] [stdout]     |
[INFO] [stdout] 189 | pub fn mor(l : Box<dyn MExpr<bool>>, r : Box<dyn MExpr<bool>>) -> Box<dyn MExpr<bool>> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MIf` is never constructed
[INFO] [stdout]    --> src/mlang/expr.rs:206:12
[INFO] [stdout]     |
[INFO] [stdout] 206 | pub struct MIf<T>{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mif` is never used
[INFO] [stdout]    --> src/mlang/expr.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 | pub fn mif<T>(c : Box<dyn MExpr<bool>>,
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.00s
[INFO] running `Command { std: "docker" "inspect" "7c10113c5ee127a91053d2b45dfc48493f0bc443951a388620361cc848200d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c10113c5ee127a91053d2b45dfc48493f0bc443951a388620361cc848200d5f", kill_on_drop: false }`
[INFO] [stdout] 7c10113c5ee127a91053d2b45dfc48493f0bc443951a388620361cc848200d5f
