[INFO] crate recall 0.1.0 is already in cache
[INFO] extracting crate recall 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/recall/0.1.0
[INFO] extracting crate recall 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/recall/0.1.0
[INFO] validating manifest of recall-0.1.0 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 recall-0.1.0 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 recall-0.1.0
[INFO] finished frobbing recall-0.1.0
[INFO] frobbed toml for recall-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/recall/0.1.0/Cargo.toml
[INFO] started frobbing recall-0.1.0
[INFO] finished frobbing recall-0.1.0
[INFO] frobbed toml for recall-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/recall/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 recall-0.1.0 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-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/recall/0.1.0:/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] a6ae29fe5d8f5d7e16e1f31c18c27c87376fe2520a626b873847139824bc66fb
[INFO] running `"docker" "start" "-a" "a6ae29fe5d8f5d7e16e1f31c18c27c87376fe2520a626b873847139824bc66fb"`
[INFO] [stderr]    Compiling exitfailure v0.5.1
[INFO] [stderr]    Compiling recall v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `failure::ResultExt`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use failure::ResultExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `failure::ResultExt`
[INFO] [stderr]  --> src/add.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use failure::ResultExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/browse.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/browse.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `failure::ResultExt`
[INFO] [stderr]  --> src/browse.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use failure::ResultExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `failure::ResultExt`
[INFO] [stderr]  --> src/decks.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use failure::ResultExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `create_dir`
[INFO] [stderr]  --> src/init.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs::{canonicalize, create_dir};
[INFO] [stderr]   |                             ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `failure::ResultExt`
[INFO] [stderr]  --> src/new.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use failure::ResultExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]  --> src/add.rs:4:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn add_card (name: Option<&str>) -> Result<(), ExitFailure> {
[INFO] [stderr]   |                  ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/browse.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let path = env::current_dir()?;
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]  --> src/decks.rs:4:19
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn view_deck (name: Option<&str>) -> Result<(), ExitFailure> {
[INFO] [stderr]   |                   ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]  --> src/new.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let data = r#"
[INFO] [stderr]   |         ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]  --> src/new.rs:4:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn new_deck (name: Option<&str>) -> Result<(), ExitFailure> {
[INFO] [stderr]   |                  ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `"docker" "inspect" "a6ae29fe5d8f5d7e16e1f31c18c27c87376fe2520a626b873847139824bc66fb"`
[INFO] running `"docker" "rm" "-f" "a6ae29fe5d8f5d7e16e1f31c18c27c87376fe2520a626b873847139824bc66fb"`
[INFO] [stdout] a6ae29fe5d8f5d7e16e1f31c18c27c87376fe2520a626b873847139824bc66fb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/recall/0.1.0:/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] fd5d244c52a991c3322d9d55a2e7727ac06dc5379a021b70835a4f49afb59d21
[INFO] running `"docker" "start" "-a" "fd5d244c52a991c3322d9d55a2e7727ac06dc5379a021b70835a4f49afb59d21"`
[INFO] [stderr]    Compiling recall v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `failure::ResultExt`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use failure::ResultExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `failure::ResultExt`
[INFO] [stderr]  --> src/add.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use failure::ResultExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/browse.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/browse.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `failure::ResultExt`
[INFO] [stderr]  --> src/browse.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use failure::ResultExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `failure::ResultExt`
[INFO] [stderr]  --> src/decks.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use failure::ResultExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `create_dir`
[INFO] [stderr]  --> src/init.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs::{canonicalize, create_dir};
[INFO] [stderr]   |                             ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `failure::ResultExt`
[INFO] [stderr]  --> src/new.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use failure::ResultExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]  --> src/add.rs:4:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn add_card (name: Option<&str>) -> Result<(), ExitFailure> {
[INFO] [stderr]   |                  ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/browse.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let path = env::current_dir()?;
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]  --> src/decks.rs:4:19
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn view_deck (name: Option<&str>) -> Result<(), ExitFailure> {
[INFO] [stderr]   |                   ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]  --> src/new.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let data = r#"
[INFO] [stderr]   |         ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]  --> src/new.rs:4:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn new_deck (name: Option<&str>) -> Result<(), ExitFailure> {
[INFO] [stderr]   |                  ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "fd5d244c52a991c3322d9d55a2e7727ac06dc5379a021b70835a4f49afb59d21"`
[INFO] running `"docker" "rm" "-f" "fd5d244c52a991c3322d9d55a2e7727ac06dc5379a021b70835a4f49afb59d21"`
[INFO] [stdout] fd5d244c52a991c3322d9d55a2e7727ac06dc5379a021b70835a4f49afb59d21
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/recall/0.1.0:/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] 0033590746a2381c30182771c0fc5d4c798145ce983a580940fd7eba35659e5a
[INFO] running `"docker" "start" "-a" "0033590746a2381c30182771c0fc5d4c798145ce983a580940fd7eba35659e5a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/recall-14154f5d543602be
[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" "0033590746a2381c30182771c0fc5d4c798145ce983a580940fd7eba35659e5a"`
[INFO] running `"docker" "rm" "-f" "0033590746a2381c30182771c0fc5d4c798145ce983a580940fd7eba35659e5a"`
[INFO] [stdout] 0033590746a2381c30182771c0fc5d4c798145ce983a580940fd7eba35659e5a