[INFO] crate pwv 0.2.1 is already in cache
[INFO] extracting crate pwv 0.2.1 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/pwv/0.2.1
[INFO] extracting crate pwv 0.2.1 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/pwv/0.2.1
[INFO] validating manifest of pwv-0.2.1 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pwv-0.2.1 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pwv-0.2.1
[INFO] finished frobbing pwv-0.2.1
[INFO] frobbed toml for pwv-0.2.1 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/pwv/0.2.1/Cargo.toml
[INFO] started frobbing pwv-0.2.1
[INFO] finished frobbing pwv-0.2.1
[INFO] frobbed toml for pwv-0.2.1 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/pwv/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking pwv-0.2.1 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/pwv/0.2.1:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c291a59f2debd81aa11bc25d3c63cf68d4159405e6e4ccf5c2b80024a800f685
[INFO] running `"docker" "start" "-a" "c291a59f2debd81aa11bc25d3c63cf68d4159405e6e4ccf5c2b80024a800f685"`
[INFO] [stderr]    Compiling memsec v0.5.6
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]     Checking clipboard-win v2.2.0
[INFO] [stderr]     Checking seckey v0.9.1
[INFO] [stderr]     Checking pwv v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `clipboard_win::Clipboard`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use clipboard_win::Clipboard;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^ no `Clipboard` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `pwv::authenticator`
[INFO] [stderr]  --> src/main.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | use pwv::authenticator::Key;
[INFO] [stderr]   |          ^^^^^^^^^^^^^ could not find `authenticator` in `pwv`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `pwv::error`
[INFO] [stderr]   --> src/main.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 | use pwv::error::*;
[INFO] [stderr]    |          ^^^^^ could not find `error` in `pwv`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `pwv::prompt`
[INFO] [stderr]   --> src/main.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | use pwv::prompt::*;
[INFO] [stderr]    |          ^^^^^^ could not find `prompt` in `pwv`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `pwv::vault`
[INFO] [stderr]   --> src/main.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 | use pwv::vault::Vault;
[INFO] [stderr]    |          ^^^^^ could not find `vault` in `pwv`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `clipboard_win::Clipboard`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use clipboard_win::Clipboard;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^ no `Clipboard` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `pwv::authenticator`
[INFO] [stderr]  --> src/main.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | use pwv::authenticator::Key;
[INFO] [stderr]   |          ^^^^^^^^^^^^^ could not find `authenticator` in `pwv`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `pwv::error`
[INFO] [stderr]   --> src/main.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 | use pwv::error::*;
[INFO] [stderr]    |          ^^^^^ could not find `error` in `pwv`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `pwv::prompt`
[INFO] [stderr]   --> src/main.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | use pwv::prompt::*;
[INFO] [stderr]    |          ^^^^^^ could not find `prompt` in `pwv`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `pwv::vault`
[INFO] [stderr]   --> src/main.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 | use pwv::vault::Vault;
[INFO] [stderr]    |          ^^^^^ could not find `vault` in `pwv`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `UIPrompt`
[INFO] [stderr]    --> src/main.rs:156:18
[INFO] [stderr]     |
[INFO] [stderr] 156 |         Box::new(UIPrompt::new(caption, message))
[INFO] [stderr]     |                  ^^^^^^^^ use of undeclared type or module `UIPrompt`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `PwrsError`
[INFO] [stderr]    --> src/main.rs:174:24
[INFO] [stderr]     |
[INFO] [stderr] 174 |         .ok_or_else(|| PwrsError::EntryNotFound(String::from(site)))?;
[INFO] [stderr]     |                        ^^^^^^^^^ use of undeclared type or module `PwrsError`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Error` in this scope
[INFO] [stderr]    --> src/main.rs:118:56
[INFO] [stderr]     |
[INFO] [stderr] 118 | fn vault_path(matches: &ArgMatches) -> Result<PathBuf, Error> {
[INFO] [stderr]     |                                                        ^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 2   | use clap::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::error::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::fmt::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::io::Error;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Error` in this scope
[INFO] [stderr]    --> src/main.rs:127:65
[INFO] [stderr]     |
[INFO] [stderr] 127 | fn new(vault_path: PathBuf, matches: &ArgMatches) -> Result<(), Error> {
[INFO] [stderr]     |                                                                 ^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 2   | use clap::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::error::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::fmt::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::io::Error;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Error` in this scope
[INFO] [stderr]    --> src/main.rs:144:65
[INFO] [stderr]     |
[INFO] [stderr] 144 | fn add(vault_path: PathBuf, matches: &ArgMatches) -> Result<(), Error> {
[INFO] [stderr]     |                                                                 ^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 2   | use clap::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::error::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::fmt::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::io::Error;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Prompt` in this scope
[INFO] [stderr]    --> src/main.rs:148:21
[INFO] [stderr]     |
[INFO] [stderr] 148 |     let prompt: Box<Prompt> = if matches.is_present("user") {
[INFO] [stderr]     |                     ^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Error` in this scope
[INFO] [stderr]    --> src/main.rs:169:65
[INFO] [stderr]     |
[INFO] [stderr] 169 | fn get(vault_path: PathBuf, matches: &ArgMatches) -> Result<(), Error> {
[INFO] [stderr]     |                                                                 ^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 2   | use clap::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::error::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::fmt::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::io::Error;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Error` in this scope
[INFO] [stderr]    --> src/main.rs:191:42
[INFO] [stderr]     |
[INFO] [stderr] 191 | fn ls(vault_path: PathBuf) -> Result<(), Error> {
[INFO] [stderr]     |                                          ^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 2   | use clap::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::error::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::fmt::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::io::Error;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Error` in this scope
[INFO] [stderr]    --> src/main.rs:203:44
[INFO] [stderr]     |
[INFO] [stderr] 203 | fn del(vault_path: &PathBuf) -> Result<(), Error> {
[INFO] [stderr]     |                                            ^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 2   | use clap::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::error::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::fmt::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::io::Error;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Error` in this scope
[INFO] [stderr]    --> src/main.rs:214:44
[INFO] [stderr]     |
[INFO] [stderr] 214 | fn run(matches: &ArgMatches) -> Result<(), Error> {
[INFO] [stderr]     |                                            ^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 2   | use clap::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::error::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::fmt::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::io::Error;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pwv::error::*`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use pwv::error::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pwv::prompt::*`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use pwv::prompt::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `UIPrompt`
[INFO] [stderr]    --> src/main.rs:156:18
[INFO] [stderr]     |
[INFO] [stderr] 156 |         Box::new(UIPrompt::new(caption, message))
[INFO] [stderr]     |                  ^^^^^^^^ use of undeclared type or module `UIPrompt`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `PwrsError`
[INFO] [stderr]    --> src/main.rs:174:24
[INFO] [stderr]     |
[INFO] [stderr] 174 |         .ok_or_else(|| PwrsError::EntryNotFound(String::from(site)))?;
[INFO] [stderr]     |                        ^^^^^^^^^ use of undeclared type or module `PwrsError`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Error` in this scope
[INFO] [stderr]    --> src/main.rs:118:56
[INFO] [stderr]     |
[INFO] [stderr] 118 | fn vault_path(matches: &ArgMatches) -> Result<PathBuf, Error> {
[INFO] [stderr]     |                                                        ^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 2   | use clap::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::error::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::fmt::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::io::Error;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Error` in this scope
[INFO] [stderr]    --> src/main.rs:127:65
[INFO] [stderr]     |
[INFO] [stderr] 127 | fn new(vault_path: PathBuf, matches: &ArgMatches) -> Result<(), Error> {
[INFO] [stderr]     |                                                                 ^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 2   | use clap::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::error::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::fmt::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::io::Error;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Error` in this scope
[INFO] [stderr]    --> src/main.rs:144:65
[INFO] [stderr]     |
[INFO] [stderr] 144 | fn add(vault_path: PathBuf, matches: &ArgMatches) -> Result<(), Error> {
[INFO] [stderr]     |                                                                 ^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 2   | use clap::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::error::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::fmt::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::io::Error;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Prompt` in this scope
[INFO] [stderr]    --> src/main.rs:148:21
[INFO] [stderr]     |
[INFO] [stderr] 148 |     let prompt: Box<Prompt> = if matches.is_present("user") {
[INFO] [stderr]     |                     ^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Error` in this scope
[INFO] [stderr]    --> src/main.rs:169:65
[INFO] [stderr]     |
[INFO] [stderr] 169 | fn get(vault_path: PathBuf, matches: &ArgMatches) -> Result<(), Error> {
[INFO] [stderr]     |                                                                 ^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 2   | use clap::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::error::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::fmt::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::io::Error;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Error` in this scope
[INFO] [stderr]    --> src/main.rs:191:42
[INFO] [stderr]     |
[INFO] [stderr] 191 | fn ls(vault_path: PathBuf) -> Result<(), Error> {
[INFO] [stderr]     |                                          ^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 2   | use clap::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::error::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::fmt::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::io::Error;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Error` in this scope
[INFO] [stderr]    --> src/main.rs:203:44
[INFO] [stderr]     |
[INFO] [stderr] 203 | fn del(vault_path: &PathBuf) -> Result<(), Error> {
[INFO] [stderr]     |                                            ^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 2   | use clap::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::error::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::fmt::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::io::Error;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Error` in this scope
[INFO] [stderr]    --> src/main.rs:214:44
[INFO] [stderr]     |
[INFO] [stderr] 214 | fn run(matches: &ArgMatches) -> Result<(), Error> {
[INFO] [stderr]     |                                            ^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 2   | use clap::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::error::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::fmt::Error;
[INFO] [stderr]     |
[INFO] [stderr] 2   | use std::io::Error;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pwv::error::*`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use pwv::error::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pwv::prompt::*`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use pwv::prompt::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `context` found for type `std::result::Result<std::string::String, std::env::VarError>` in the current scope
[INFO] [stderr]    --> src/main.rs:122:10
[INFO] [stderr]     |
[INFO] [stderr] 122 |         .context(
[INFO] [stderr]     |          ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 2   | use failure::result_ext::ResultExt;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `context` found for type `std::result::Result<(), std::io::Error>` in the current scope
[INFO] [stderr]    --> src/main.rs:206:43
[INFO] [stderr]     |
[INFO] [stderr] 206 |     fs::remove_file(vault_path.as_path()).context(format!(
[INFO] [stderr]     |                                           ^^^^^^^
[INFO] [stderr] error[E0599]: no method named `context` found for type `std::result::Result<std::string::String, std::env::VarError>` in the current scope
[INFO] [stderr]    --> src/main.rs:122:10
[INFO] [stderr]     |
[INFO] [stderr] 122 |         .context(
[INFO] [stderr]     |          ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]     |
[INFO] [stderr] 2   | use failure::result_ext::ResultExt;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] help: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 2   | use failure::result_ext::ResultExt;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 17 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0432, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: Could not compile `pwv`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `context` found for type `std::result::Result<(), std::io::Error>` in the current scope
[INFO] [stderr]    --> src/main.rs:206:43
[INFO] [stderr]     |
[INFO] [stderr] 206 |     fs::remove_file(vault_path.as_path()).context(format!(
[INFO] [stderr]     |                                           ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 2   | use failure::result_ext::ResultExt;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 17 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0432, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: Could not compile `pwv`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c291a59f2debd81aa11bc25d3c63cf68d4159405e6e4ccf5c2b80024a800f685"`
[INFO] running `"docker" "rm" "-f" "c291a59f2debd81aa11bc25d3c63cf68d4159405e6e4ccf5c2b80024a800f685"`
[INFO] [stdout] c291a59f2debd81aa11bc25d3c63cf68d4159405e6e4ccf5c2b80024a800f685