[INFO] cloning repository ironlang/iron [INFO] running `"git" "clone" "--bare" "git://github.com/ironlang/iron.git" "work/cache/sources/gh/ironlang/iron"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/ironlang/iron'... [INFO] running `"git" "clone" "work/cache/sources/gh/ironlang/iron" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ironlang/iron"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ironlang/iron'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ironlang/iron" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ironlang/iron"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ironlang/iron'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 89b83145292eccbc48292b92d143f164928f1855 [INFO] sha for GitHub repo ironlang/iron: 89b83145292eccbc48292b92d143f164928f1855 [INFO] validating manifest of ironlang/iron on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ironlang/iron on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ironlang/iron [INFO] finished frobbing ironlang/iron [INFO] frobbed toml for ironlang/iron written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ironlang/iron/Cargo.toml [INFO] started frobbing ironlang/iron [INFO] finished frobbing ironlang/iron [INFO] frobbed toml for ironlang/iron written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ironlang/iron/Cargo.toml [INFO] crate ironlang/iron already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cranelift-frontend v0.25.0 [INFO] [stderr] Downloaded cranelift-bforest v0.25.0 [INFO] [stderr] Downloaded cranelift-codegen v0.25.0 [INFO] [stderr] Downloaded cranelift-codegen-meta v0.25.0 [INFO] [stderr] Downloaded cranelift-entity v0.25.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing ironlang/iron against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ironlang/iron:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] e485cba2f0e353b1834d03802641c6a8074fbc90fc94b0b841974f2cea4f5d9e [INFO] running `"docker" "start" "-a" "e485cba2f0e353b1834d03802641c6a8074fbc90fc94b0b841974f2cea4f5d9e"` [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Compiling cranelift-entity v0.25.0 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling bitflags v1.0.3 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling cranelift-codegen-meta v0.25.0 [INFO] [stderr] Compiling cranelift-bforest v0.25.0 [INFO] [stderr] Compiling syn v0.15.22 [INFO] [stderr] Compiling atty v0.2.10 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling cranelift-codegen v0.25.0 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling failure v0.1.3 [INFO] [stderr] Compiling serde_json v1.0.33 [INFO] [stderr] Compiling target-lexicon v0.2.0 [INFO] [stderr] Compiling cranelift-frontend v0.25.0 [INFO] [stderr] Compiling iron v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/iron/codegen.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/iron/codegen.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `iron::token::Token` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use iron::token::Token; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `iron::expression::Expression` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use iron::expression::Expression; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `source` [INFO] [stderr] --> src/main.rs:24:17 [INFO] [stderr] | [INFO] [stderr] 24 | if let Some(source) = matches.value_of("INPUT") { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_source` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iron/lexer.rs:146:33 [INFO] [stderr] | [INFO] [stderr] 146 | let mut current_token: Token; [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 31s [INFO] running `"docker" "inspect" "e485cba2f0e353b1834d03802641c6a8074fbc90fc94b0b841974f2cea4f5d9e"` [INFO] running `"docker" "rm" "-f" "e485cba2f0e353b1834d03802641c6a8074fbc90fc94b0b841974f2cea4f5d9e"` [INFO] [stdout] e485cba2f0e353b1834d03802641c6a8074fbc90fc94b0b841974f2cea4f5d9e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ironlang/iron:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] a847e7e2e5a0d25d7c8bbd4693d30a2c46df871f35481ee1d605d05efd4796c0 [INFO] running `"docker" "start" "-a" "a847e7e2e5a0d25d7c8bbd4693d30a2c46df871f35481ee1d605d05efd4796c0"` [INFO] [stderr] Compiling iron v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/iron/codegen.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/iron/codegen.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `iron::token::Token` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use iron::token::Token; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `iron::expression::Expression` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use iron::expression::Expression; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `source` [INFO] [stderr] --> src/main.rs:24:17 [INFO] [stderr] | [INFO] [stderr] 24 | if let Some(source) = matches.value_of("INPUT") { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_source` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iron/lexer.rs:146:33 [INFO] [stderr] | [INFO] [stderr] 146 | let mut current_token: Token; [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.70s [INFO] running `"docker" "inspect" "a847e7e2e5a0d25d7c8bbd4693d30a2c46df871f35481ee1d605d05efd4796c0"` [INFO] running `"docker" "rm" "-f" "a847e7e2e5a0d25d7c8bbd4693d30a2c46df871f35481ee1d605d05efd4796c0"` [INFO] [stdout] a847e7e2e5a0d25d7c8bbd4693d30a2c46df871f35481ee1d605d05efd4796c0 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ironlang/iron:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] a9202fdae2ce2787c08b4979859b50b995cbffc45fb07c92401ccb24526a6b25 [INFO] running `"docker" "start" "-a" "a9202fdae2ce2787c08b4979859b50b995cbffc45fb07c92401ccb24526a6b25"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/crater/target/debug/deps/iron-515c59960e274d69 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "a9202fdae2ce2787c08b4979859b50b995cbffc45fb07c92401ccb24526a6b25"` [INFO] running `"docker" "rm" "-f" "a9202fdae2ce2787c08b4979859b50b995cbffc45fb07c92401ccb24526a6b25"` [INFO] [stdout] a9202fdae2ce2787c08b4979859b50b995cbffc45fb07c92401ccb24526a6b25