[INFO] updating cached repository Machtan/mal-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Machtan/mal-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Machtan/mal-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/Machtan/mal-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Machtan/mal-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Machtan/mal-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Machtan/mal-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Machtan/mal-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c797b7dde8e1db1a932bbcac10faa5d3b9f56e30
[INFO] sha for GitHub repo Machtan/mal-rust: c797b7dde8e1db1a932bbcac10faa5d3b9f56e30
[INFO] validating manifest of Machtan/mal-rust on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Machtan/mal-rust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Machtan/mal-rust
[INFO] finished frobbing Machtan/mal-rust
[INFO] frobbed toml for Machtan/mal-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/Machtan/mal-rust/Cargo.toml
[INFO] started frobbing Machtan/mal-rust
[INFO] finished frobbing Machtan/mal-rust
[INFO] frobbed toml for Machtan/mal-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Machtan/mal-rust/Cargo.toml
[INFO] crate Machtan/mal-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Machtan/mal-rust against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Machtan/mal-rust:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 49af3cc930b77c41f9533ffaf387a06d70278ce3408080c27cef439b37e6c6c0
[INFO] running `"docker" "start" "-a" "49af3cc930b77c41f9533ffaf387a06d70278ce3408080c27cef439b37e6c6c0"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling mal v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]   --> src/step1_read_print.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 4  | use std::io::{self, Write, BufRead};
[INFO] [stderr]    |                     ----- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 25 |     use ::std::io::Write;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]   --> src/step4_if_fn_do.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 9  | use std::io::{self, Write, BufRead};
[INFO] [stderr]    |                     ----- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 31 |     use ::std::io::Write;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]   --> src/step3_env.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 8  | use std::io::{self, Write, BufRead};
[INFO] [stderr]    |                     ----- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 30 |     use ::std::io::Write;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.92s
[INFO] running `"docker" "inspect" "49af3cc930b77c41f9533ffaf387a06d70278ce3408080c27cef439b37e6c6c0"`
[INFO] running `"docker" "rm" "-f" "49af3cc930b77c41f9533ffaf387a06d70278ce3408080c27cef439b37e6c6c0"`
[INFO] [stdout] 49af3cc930b77c41f9533ffaf387a06d70278ce3408080c27cef439b37e6c6c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Machtan/mal-rust:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] cff11983f0c902e14fa733d017c911eae3350f7ddc5dff8943792deb004b640c
[INFO] running `"docker" "start" "-a" "cff11983f0c902e14fa733d017c911eae3350f7ddc5dff8943792deb004b640c"`
[INFO] [stderr]    Compiling mal v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]   --> src/step4_if_fn_do.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 9  | use std::io::{self, Write, BufRead};
[INFO] [stderr]    |                     ----- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 31 |     use ::std::io::Write;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]   --> src/step3_env.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 8  | use std::io::{self, Write, BufRead};
[INFO] [stderr]    |                     ----- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 30 |     use ::std::io::Write;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]   --> src/step1_read_print.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 4  | use std::io::{self, Write, BufRead};
[INFO] [stderr]    |                     ----- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 25 |     use ::std::io::Write;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `"docker" "inspect" "cff11983f0c902e14fa733d017c911eae3350f7ddc5dff8943792deb004b640c"`
[INFO] running `"docker" "rm" "-f" "cff11983f0c902e14fa733d017c911eae3350f7ddc5dff8943792deb004b640c"`
[INFO] [stdout] cff11983f0c902e14fa733d017c911eae3350f7ddc5dff8943792deb004b640c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Machtan/mal-rust:/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] f55bd493121b90223bccb2a10fe24d7020e413ccdc26b1708996eca2e1f55f5f
[INFO] running `"docker" "start" "-a" "f55bd493121b90223bccb2a10fe24d7020e413ccdc26b1708996eca2e1f55f5f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mal-53a01eaa1d0e0627
[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] [stderr]      Running /opt/crater/target/debug/deps/step0_repl-c50c2c153b2c9f86
[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] [stderr]      Running /opt/crater/target/debug/deps/step1_read_print-d7ad4ce85ba3d749
[INFO] [stderr]      Running /opt/crater/target/debug/deps/step2_eval-1c597fcc0ac5f47c
[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] [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] [stderr]      Running /opt/crater/target/debug/deps/step3_env-1137f3cafdfd2774
[INFO] [stderr]      Running /opt/crater/target/debug/deps/step4_if_fn_do-1d3e13b7005b341d
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mal
[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] [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] [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" "f55bd493121b90223bccb2a10fe24d7020e413ccdc26b1708996eca2e1f55f5f"`
[INFO] running `"docker" "rm" "-f" "f55bd493121b90223bccb2a10fe24d7020e413ccdc26b1708996eca2e1f55f5f"`
[INFO] [stdout] f55bd493121b90223bccb2a10fe24d7020e413ccdc26b1708996eca2e1f55f5f