[INFO] updating cached repository bentein/twt-cli
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bentein/twt-cli
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bentein/twt-cli" "work/ex/beta-1.37-6/sources/1.36.0/gh/bentein/twt-cli"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/bentein/twt-cli'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bentein/twt-cli" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bentein/twt-cli"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bentein/twt-cli'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f69f75a20f2deef13eabc6efc0b43498a1cab2aa
[INFO] sha for GitHub repo bentein/twt-cli: f69f75a20f2deef13eabc6efc0b43498a1cab2aa
[INFO] validating manifest of bentein/twt-cli 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 bentein/twt-cli 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 bentein/twt-cli
[INFO] finished frobbing bentein/twt-cli
[INFO] frobbed toml for bentein/twt-cli written to work/ex/beta-1.37-6/sources/1.36.0/gh/bentein/twt-cli/Cargo.toml
[INFO] started frobbing bentein/twt-cli
[INFO] finished frobbing bentein/twt-cli
[INFO] frobbed toml for bentein/twt-cli written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bentein/twt-cli/Cargo.toml
[INFO] crate bentein/twt-cli 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 bentein/twt-cli against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bentein/twt-cli:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] f365db72358309f464eef24b5b4ade0f6b53cb12a4f854ffdbe5abc8d785c332
[INFO] running `"docker" "start" "-a" "f365db72358309f464eef24b5b4ade0f6b53cb12a4f854ffdbe5abc8d785c332"`
[INFO] [stderr]    Compiling webbrowser v0.5.1
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling cookie_store v0.5.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling reqwest v0.9.15
[INFO] [stderr]    Compiling structopt v0.2.15
[INFO] [stderr]    Compiling twt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]  --> src/authorize.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::path::PathBuf;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/authorize.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::authenticate`
[INFO] [stderr]  --> src/followers.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::authenticate;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/timeline.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |                      func: &Fn(Vec<(&str,&str)>, Vec<(&str,&str)>, &Credentials) -> std::io::Result<String>) -> std::io::Result<String> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<(&str,&str)>, Vec<(&str,&str)>, &Credentials) -> std::io::Result<String>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tweet.rs:18:34
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn do_function(arg: &str, func: &Fn(&str, Vec<(&str,&str)>, &Credentials) -> std::io::Result<String>) -> std::io::Result<String> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str, Vec<(&str,&str)>, &Credentials) -> std::io::Result<String>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/main.rs:139:32
[INFO] [stderr]     |
[INFO] [stderr] 139 |                 UserMod::Set { name, token, secret } => Ok("Not yet implemented".to_string()),
[INFO] [stderr]     |                                ^^^^ help: try ignoring the field: `name: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `secret`
[INFO] [stderr]    --> src/main.rs:139:45
[INFO] [stderr]     |
[INFO] [stderr] 139 |                 UserMod::Set { name, token, secret } => Ok("Not yet implemented".to_string()),
[INFO] [stderr]     |                                             ^^^^^^ help: try ignoring the field: `secret: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]    --> src/main.rs:139:38
[INFO] [stderr]     |
[INFO] [stderr] 139 |                 UserMod::Set { name, token, secret } => Ok("Not yet implemented".to_string()),
[INFO] [stderr]     |                                      ^^^^^ help: try ignoring the field: `token: _`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `j` is never read
[INFO] [stderr]    --> src/credentials.rs:217:21
[INFO] [stderr]     |
[INFO] [stderr] 217 |                     j -= 1;
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `followers`
[INFO] [stderr]  --> src/followers.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn followers() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_followers`
[INFO] [stderr]    --> src/main.rs:146:1
[INFO] [stderr]     |
[INFO] [stderr] 146 | fn get_followers(args: Cli) -> () {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.71s
[INFO] running `"docker" "inspect" "f365db72358309f464eef24b5b4ade0f6b53cb12a4f854ffdbe5abc8d785c332"`
[INFO] running `"docker" "rm" "-f" "f365db72358309f464eef24b5b4ade0f6b53cb12a4f854ffdbe5abc8d785c332"`
[INFO] [stdout] f365db72358309f464eef24b5b4ade0f6b53cb12a4f854ffdbe5abc8d785c332
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bentein/twt-cli:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 74a191a8558da5e7756812d10073d7fa600895f0cd451947a364e91f963178fe
[INFO] running `"docker" "start" "-a" "74a191a8558da5e7756812d10073d7fa600895f0cd451947a364e91f963178fe"`
[INFO] [stderr]    Compiling twt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]  --> src/authorize.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::path::PathBuf;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/authorize.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::authenticate`
[INFO] [stderr]  --> src/followers.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::authenticate;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/timeline.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |                      func: &Fn(Vec<(&str,&str)>, Vec<(&str,&str)>, &Credentials) -> std::io::Result<String>) -> std::io::Result<String> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<(&str,&str)>, Vec<(&str,&str)>, &Credentials) -> std::io::Result<String>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tweet.rs:18:34
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn do_function(arg: &str, func: &Fn(&str, Vec<(&str,&str)>, &Credentials) -> std::io::Result<String>) -> std::io::Result<String> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str, Vec<(&str,&str)>, &Credentials) -> std::io::Result<String>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/main.rs:139:32
[INFO] [stderr]     |
[INFO] [stderr] 139 |                 UserMod::Set { name, token, secret } => Ok("Not yet implemented".to_string()),
[INFO] [stderr]     |                                ^^^^ help: try ignoring the field: `name: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `secret`
[INFO] [stderr]    --> src/main.rs:139:45
[INFO] [stderr]     |
[INFO] [stderr] 139 |                 UserMod::Set { name, token, secret } => Ok("Not yet implemented".to_string()),
[INFO] [stderr]     |                                             ^^^^^^ help: try ignoring the field: `secret: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]    --> src/main.rs:139:38
[INFO] [stderr]     |
[INFO] [stderr] 139 |                 UserMod::Set { name, token, secret } => Ok("Not yet implemented".to_string()),
[INFO] [stderr]     |                                      ^^^^^ help: try ignoring the field: `token: _`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `j` is never read
[INFO] [stderr]    --> src/credentials.rs:217:21
[INFO] [stderr]     |
[INFO] [stderr] 217 |                     j -= 1;
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `followers`
[INFO] [stderr]  --> src/followers.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn followers() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_followers`
[INFO] [stderr]    --> src/main.rs:146:1
[INFO] [stderr]     |
[INFO] [stderr] 146 | fn get_followers(args: Cli) -> () {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `"docker" "inspect" "74a191a8558da5e7756812d10073d7fa600895f0cd451947a364e91f963178fe"`
[INFO] running `"docker" "rm" "-f" "74a191a8558da5e7756812d10073d7fa600895f0cd451947a364e91f963178fe"`
[INFO] [stdout] 74a191a8558da5e7756812d10073d7fa600895f0cd451947a364e91f963178fe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bentein/twt-cli:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 09b32f3c16c3816f0d6df37a16ecf954ca97640cfa86372d5f21dfa5adc66335
[INFO] running `"docker" "start" "-a" "09b32f3c16c3816f0d6df37a16ecf954ca97640cfa86372d5f21dfa5adc66335"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/twt-94bc8aef34a9fe9d
[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" "09b32f3c16c3816f0d6df37a16ecf954ca97640cfa86372d5f21dfa5adc66335"`
[INFO] running `"docker" "rm" "-f" "09b32f3c16c3816f0d6df37a16ecf954ca97640cfa86372d5f21dfa5adc66335"`
[INFO] [stdout] 09b32f3c16c3816f0d6df37a16ecf954ca97640cfa86372d5f21dfa5adc66335