[INFO] updating cached repository https://github.com/tetigi/watson
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 919ef47de6223819c58d6c3be0139386d5dfbdc9
[INFO] checking tetigi/watson against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetigi%2Fwatson" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tetigi/watson on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tetigi/watson
[INFO] finished tweaking git repo https://github.com/tetigi/watson
[INFO] tweaked toml for git repo https://github.com/tetigi/watson written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/tetigi/watson already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b4b3f59df0818478a14bc411fd305433ad75220494819f46f2df766f18d07814
[INFO] running `"docker" "start" "-a" "b4b3f59df0818478a14bc411fd305433ad75220494819f46f2df766f18d07814"`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling openssl-sys v0.9.48
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking webpki v0.18.1
[INFO] [stderr]     Checking sct v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking webpki-roots v0.15.0
[INFO] [stderr]     Checking rustls v0.13.1
[INFO] [stderr]     Checking hyper-native-tls v0.3.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking hyper-rustls v0.6.2
[INFO] [stderr]     Checking yup-oauth2 v1.0.11
[INFO] [stderr]     Checking google-calendar3 v1.0.10+20190702
[INFO] [stderr]     Checking watson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `hyper::client::response::Response`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use hyper::client::response::Response;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hyper::client::response::Response`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use hyper::client::response::Response;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/main.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opt`
[INFO] [stderr]    --> src/main.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let opt = Opt::from_args();
[INFO] [stderr]     |         ^^^ help: consider prefixing with an underscore: `_opt`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from`
[INFO] [stderr]   --> src/main.rs:55:26
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn get_events(&self, from: &str, until: &str) -> Vec<Event> {
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_from`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `until`
[INFO] [stderr]   --> src/main.rs:55:38
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn get_events(&self, from: &str, until: &str) -> Vec<Event> {
[INFO] [stderr]    |                                      ^^^^^ help: consider prefixing with an underscore: `_until`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `hub`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     hub: CalendarHub,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opt`
[INFO] [stderr]    --> src/main.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let opt = Opt::from_args();
[INFO] [stderr]     |         ^^^ help: consider prefixing with an underscore: `_opt`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from`
[INFO] [stderr]   --> src/main.rs:55:26
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn get_events(&self, from: &str, until: &str) -> Vec<Event> {
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_from`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `until`
[INFO] [stderr]   --> src/main.rs:55:38
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn get_events(&self, from: &str, until: &str) -> Vec<Event> {
[INFO] [stderr]    |                                      ^^^^^ help: consider prefixing with an underscore: `_until`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `hub`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     hub: CalendarHub,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `"docker" "inspect" "b4b3f59df0818478a14bc411fd305433ad75220494819f46f2df766f18d07814"`
[INFO] running `"docker" "rm" "-f" "b4b3f59df0818478a14bc411fd305433ad75220494819f46f2df766f18d07814"`
[INFO] [stdout] b4b3f59df0818478a14bc411fd305433ad75220494819f46f2df766f18d07814