Nov 30 01:26:39.555 INFO checking ironlang/iron against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 01:26:39.555 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +a49316ddc99d9d595193557fc899f6c52e4d9af9-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 01:26:40.031 INFO [stdout] 5d46690799e27e7403ccdfbd4ce40093188c758963fabbf953304e5084b01204
Nov 30 01:26:40.033 INFO running `"docker" "start" "-a" "5d46690799e27e7403ccdfbd4ce40093188c758963fabbf953304e5084b01204"`
Nov 30 01:26:42.181 INFO [stderr] usermod: no changes
Nov 30 01:26:42.376 INFO [stderr]    Compiling cranelift-entity v0.25.0
Nov 30 01:26:42.388 INFO [stderr]    Compiling ryu v0.2.7
Nov 30 01:26:42.388 INFO [stderr]     Checking failure v0.1.3
Nov 30 01:26:44.151 INFO [stderr]    Compiling serde_json v1.0.33
Nov 30 01:26:44.682 INFO [stderr]     Checking cranelift-bforest v0.25.0
Nov 30 01:26:44.762 INFO [stderr]    Compiling cranelift-codegen-meta v0.25.0
Nov 30 01:26:49.483 INFO [stderr]    Compiling cranelift-codegen v0.25.0
Nov 30 01:26:54.794 INFO [stderr]    Compiling target-lexicon v0.2.0
Nov 30 01:27:09.500 INFO [stderr]     Checking cranelift-frontend v0.25.0
Nov 30 01:27:10.432 INFO [stderr]     Checking iron v0.0.1 (/source)
Nov 30 01:27:11.541 INFO [stderr] warning: unused import: `std::fs::File`
Nov 30 01:27:11.541 INFO [stderr]  --> src/iron/codegen.rs:4:5
Nov 30 01:27:11.541 INFO [stderr]   |
Nov 30 01:27:11.541 INFO [stderr] 4 | use std::fs::File;
Nov 30 01:27:11.541 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 30 01:27:11.541 INFO [stderr]   |
Nov 30 01:27:11.541 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 01:27:11.541 INFO [stderr] 
Nov 30 01:27:11.541 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 30 01:27:11.541 INFO [stderr]  --> src/iron/codegen.rs:5:5
Nov 30 01:27:11.541 INFO [stderr]   |
Nov 30 01:27:11.541 INFO [stderr] 5 | use std::io::prelude::*;
Nov 30 01:27:11.541 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 30 01:27:11.541 INFO [stderr] 
Nov 30 01:27:11.548 INFO [stderr] warning: unused import: `iron::token::Token`
Nov 30 01:27:11.548 INFO [stderr]  --> src/main.rs:8:5
Nov 30 01:27:11.548 INFO [stderr]   |
Nov 30 01:27:11.548 INFO [stderr] 8 | use iron::token::Token;
Nov 30 01:27:11.548 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 30 01:27:11.548 INFO [stderr] 
Nov 30 01:27:11.548 INFO [stderr] warning: unused import: `iron::expression::Expression`
Nov 30 01:27:11.548 INFO [stderr]  --> src/main.rs:9:5
Nov 30 01:27:11.548 INFO [stderr]   |
Nov 30 01:27:11.548 INFO [stderr] 9 | use iron::expression::Expression;
Nov 30 01:27:11.548 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:27:11.549 INFO [stderr] 
Nov 30 01:27:11.745 INFO [stderr] warning: unused import: `std::fs::File`
Nov 30 01:27:11.745 INFO [stderr]  --> src/iron/codegen.rs:4:5
Nov 30 01:27:11.745 INFO [stderr]   |
Nov 30 01:27:11.745 INFO [stderr] 4 | use std::fs::File;
Nov 30 01:27:11.745 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 30 01:27:11.745 INFO [stderr]   |
Nov 30 01:27:11.745 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 01:27:11.745 INFO [stderr] 
Nov 30 01:27:11.745 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 30 01:27:11.745 INFO [stderr]  --> src/iron/codegen.rs:5:5
Nov 30 01:27:11.745 INFO [stderr]   |
Nov 30 01:27:11.745 INFO [stderr] 5 | use std::io::prelude::*;
Nov 30 01:27:11.745 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 30 01:27:11.745 INFO [stderr] 
Nov 30 01:27:11.756 INFO [stderr] warning: unused import: `iron::token::Token`
Nov 30 01:27:11.756 INFO [stderr]  --> src/main.rs:8:5
Nov 30 01:27:11.756 INFO [stderr]   |
Nov 30 01:27:11.756 INFO [stderr] 8 | use iron::token::Token;
Nov 30 01:27:11.756 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 30 01:27:11.756 INFO [stderr] 
Nov 30 01:27:11.756 INFO [stderr] warning: unused import: `iron::expression::Expression`
Nov 30 01:27:11.756 INFO [stderr]  --> src/main.rs:9:5
Nov 30 01:27:11.756 INFO [stderr]   |
Nov 30 01:27:11.757 INFO [stderr] 9 | use iron::expression::Expression;
Nov 30 01:27:11.757 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:27:11.757 INFO [stderr] 
Nov 30 01:27:11.808 INFO [stderr] warning: unused variable: `source`
Nov 30 01:27:11.812 INFO [stderr]   --> src/main.rs:24:17
Nov 30 01:27:11.812 INFO [stderr]    |
Nov 30 01:27:11.812 INFO [stderr] 24 |     if let Some(source) = matches.value_of("INPUT") {
Nov 30 01:27:11.812 INFO [stderr]    |                 ^^^^^^ help: consider using `_source` instead
Nov 30 01:27:11.812 INFO [stderr]    |
Nov 30 01:27:11.812 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 01:27:11.812 INFO [stderr] 
Nov 30 01:27:11.864 INFO [stderr] warning: unused variable: `source`
Nov 30 01:27:11.864 INFO [stderr]   --> src/main.rs:24:17
Nov 30 01:27:11.864 INFO [stderr]    |
Nov 30 01:27:11.864 INFO [stderr] 24 |     if let Some(source) = matches.value_of("INPUT") {
Nov 30 01:27:11.864 INFO [stderr]    |                 ^^^^^^ help: consider using `_source` instead
Nov 30 01:27:11.864 INFO [stderr]    |
Nov 30 01:27:11.864 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 01:27:11.864 INFO [stderr] 
Nov 30 01:27:12.007 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.80s
Nov 30 01:27:12.020 INFO [stderr] su: No module specific data is present
Nov 30 01:27:12.748 INFO running `"docker" "inspect" "5d46690799e27e7403ccdfbd4ce40093188c758963fabbf953304e5084b01204"`
Nov 30 01:27:13.094 INFO running `"docker" "rm" "-f" "5d46690799e27e7403ccdfbd4ce40093188c758963fabbf953304e5084b01204"`
Nov 30 01:27:13.380 INFO [stdout] 5d46690799e27e7403ccdfbd4ce40093188c758963fabbf953304e5084b01204