[INFO] cloning repository https://github.com/yukimemi/gsr-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yukimemi/gsr-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukimemi%2Fgsr-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukimemi%2Fgsr-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 245cae1f9f03afab8c523ecb40abe96ca094a33d
[INFO] checking yukimemi/gsr-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukimemi%2Fgsr-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yukimemi/gsr-rs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yukimemi/gsr-rs
[INFO] finished tweaking git repo https://github.com/yukimemi/gsr-rs
[INFO] tweaked toml for git repo https://github.com/yukimemi/gsr-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yukimemi/gsr-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.1.4
[INFO] [stderr]   Downloaded structopt-derive v0.1.4
[INFO] [stderr]   Downloaded lazy_static v0.2.9
[INFO] [stderr]   Downloaded walkdir v2.0.1
[INFO] [stderr]   Downloaded same-file v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e63e3b038d31aeea230a33aa17a82ffda0c5bb429a364af7f941fead73736a71
[INFO] running `Command { std: "docker" "start" "-a" "e63e3b038d31aeea230a33aa17a82ffda0c5bb429a364af7f941fead73736a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e63e3b038d31aeea230a33aa17a82ffda0c5bb429a364af7f941fead73736a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e63e3b038d31aeea230a33aa17a82ffda0c5bb429a364af7f941fead73736a71", kill_on_drop: false }`
[INFO] [stdout] e63e3b038d31aeea230a33aa17a82ffda0c5bb429a364af7f941fead73736a71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e6a629d995ecfb2832ed3790f2be90cb9a2ca1167bde47fd3ed5a3c0d324235
[INFO] running `Command { std: "docker" "start" "-a" "4e6a629d995ecfb2832ed3790f2be90cb9a2ca1167bde47fd3ed5a3c0d324235", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking same-file v1.0.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking walkdir v2.0.1
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]    Compiling structopt-derive v0.1.4
[INFO] [stderr]     Checking structopt v0.1.4
[INFO] [stderr]     Checking gsr v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/main.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 | /         lazy_static! {
[INFO] [stdout] 175 | |             static ref RE: Regex = Regex::new(r"\[.*ahead.*\]").unwrap();
[INFO] [stdout] 176 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/main.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 | /         lazy_static! {
[INFO] [stdout] 175 | |             static ref RE: Regex = Regex::new(r"\[.*ahead.*\]").unwrap();
[INFO] [stdout] 176 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/main.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 | /         lazy_static! {
[INFO] [stdout] 188 | |             static ref RE: Regex = Regex::new(r"\[.*behind.*\]").unwrap();
[INFO] [stdout] 189 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/main.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 | /         lazy_static! {
[INFO] [stdout] 188 | |             static ref RE: Regex = Regex::new(r"\[.*behind.*\]").unwrap();
[INFO] [stdout] 189 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(attr_literals)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/main.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 | /         lazy_static! {
[INFO] [stdout] 175 | |             static ref RE: Regex = Regex::new(r"\[.*ahead.*\]").unwrap();
[INFO] [stdout] 176 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/main.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 | /         lazy_static! {
[INFO] [stdout] 175 | |             static ref RE: Regex = Regex::new(r"\[.*ahead.*\]").unwrap();
[INFO] [stdout] 176 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/main.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 | /         lazy_static! {
[INFO] [stdout] 188 | |             static ref RE: Regex = Regex::new(r"\[.*behind.*\]").unwrap();
[INFO] [stdout] 189 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/main.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 | /         lazy_static! {
[INFO] [stdout] 188 | |             static ref RE: Regex = Regex::new(r"\[.*behind.*\]").unwrap();
[INFO] [stdout] 189 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/main.rs:61:74
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 return WalkDir::new(String::from_utf8_lossy(&out.stdout).trim_right()).max_depth(4);
[INFO] [stdout]    |                                                                          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 return WalkDir::new(String::from_utf8_lossy(&out.stdout).trim_end()).max_depth(4);
[INFO] [stdout]    |                                                                          ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(attr_literals)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/main.rs:61:74
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 return WalkDir::new(String::from_utf8_lossy(&out.stdout).trim_right()).max_depth(4);
[INFO] [stdout]    |                                                                          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 return WalkDir::new(String::from_utf8_lossy(&out.stdout).trim_end()).max_depth(4);
[INFO] [stdout]    |                                                                          ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | /         walk_dir
[INFO] [stdout] 74 | |             .into_iter()
[INFO] [stdout] 75 | |             .map(|e| match e {
[INFO] [stdout] 76 | |                 Ok(e) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 95 | |             })
[INFO] [stdout] 96 | |             .collect::<Vec<_>>();
[INFO] [stdout]    | |________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let _ = walk_dir
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]    --> src/main.rs:218:5
[INFO] [stdout]     |
[INFO] [stdout] 218 | /     gsrs.into_iter()
[INFO] [stdout] 219 | |         .map(|gsr| {
[INFO] [stdout] 220 | |             if opt.all {
[INFO] [stdout] 221 | |                 print_gsr(&gsr, &opt);
[INFO] [stdout] ...   |
[INFO] [stdout] 231 | |         })
[INFO] [stdout] 232 | |         .collect::<Vec<_>>();
[INFO] [stdout]     | |____________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 218 |     let _ = gsrs.into_iter()
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | /         walk_dir
[INFO] [stdout] 74 | |             .into_iter()
[INFO] [stdout] 75 | |             .map(|e| match e {
[INFO] [stdout] 76 | |                 Ok(e) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 95 | |             })
[INFO] [stdout] 96 | |             .collect::<Vec<_>>();
[INFO] [stdout]    | |________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let _ = walk_dir
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]    --> src/main.rs:218:5
[INFO] [stdout]     |
[INFO] [stdout] 218 | /     gsrs.into_iter()
[INFO] [stdout] 219 | |         .map(|gsr| {
[INFO] [stdout] 220 | |             if opt.all {
[INFO] [stdout] 221 | |                 print_gsr(&gsr, &opt);
[INFO] [stdout] ...   |
[INFO] [stdout] 231 | |         })
[INFO] [stdout] 232 | |         .collect::<Vec<_>>();
[INFO] [stdout]     | |____________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 218 |     let _ = gsrs.into_iter()
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.80s
[INFO] running `Command { std: "docker" "inspect" "4e6a629d995ecfb2832ed3790f2be90cb9a2ca1167bde47fd3ed5a3c0d324235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e6a629d995ecfb2832ed3790f2be90cb9a2ca1167bde47fd3ed5a3c0d324235", kill_on_drop: false }`
[INFO] [stdout] 4e6a629d995ecfb2832ed3790f2be90cb9a2ca1167bde47fd3ed5a3c0d324235
[INFO] checking yukimemi/gsr-rs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukimemi%2Fgsr-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yukimemi/gsr-rs on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yukimemi/gsr-rs
[INFO] finished tweaking git repo https://github.com/yukimemi/gsr-rs
[INFO] tweaked toml for git repo https://github.com/yukimemi/gsr-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yukimemi/gsr-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 219b927b51abcb0c251621c8658cffa85dbae3c529c5d4d7aef177edaac04d15
[INFO] running `Command { std: "docker" "start" "-a" "219b927b51abcb0c251621c8658cffa85dbae3c529c5d4d7aef177edaac04d15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "219b927b51abcb0c251621c8658cffa85dbae3c529c5d4d7aef177edaac04d15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "219b927b51abcb0c251621c8658cffa85dbae3c529c5d4d7aef177edaac04d15", kill_on_drop: false }`
[INFO] [stdout] 219b927b51abcb0c251621c8658cffa85dbae3c529c5d4d7aef177edaac04d15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4cec9d7134eaaaad94c1fb27841af5a9af7a1ca06bb8b64ffda3d6e1b23b7af
[INFO] running `Command { std: "docker" "start" "-a" "a4cec9d7134eaaaad94c1fb27841af5a9af7a1ca06bb8b64ffda3d6e1b23b7af", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking same-file v1.0.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking walkdir v2.0.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]    Compiling structopt-derive v0.1.4
[INFO] [stderr]     Checking structopt v0.1.4
[INFO] [stderr]     Checking gsr v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/main.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 | /         lazy_static! {
[INFO] [stdout] 175 | |             static ref RE: Regex = Regex::new(r"\[.*ahead.*\]").unwrap();
[INFO] [stdout] 176 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/main.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 | /         lazy_static! {
[INFO] [stdout] 175 | |             static ref RE: Regex = Regex::new(r"\[.*ahead.*\]").unwrap();
[INFO] [stdout] 176 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/main.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 | /         lazy_static! {
[INFO] [stdout] 188 | |             static ref RE: Regex = Regex::new(r"\[.*behind.*\]").unwrap();
[INFO] [stdout] 189 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/main.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 | /         lazy_static! {
[INFO] [stdout] 188 | |             static ref RE: Regex = Regex::new(r"\[.*behind.*\]").unwrap();
[INFO] [stdout] 189 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/main.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 | /         lazy_static! {
[INFO] [stdout] 175 | |             static ref RE: Regex = Regex::new(r"\[.*ahead.*\]").unwrap();
[INFO] [stdout] 176 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(attr_literals)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/main.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 | /         lazy_static! {
[INFO] [stdout] 175 | |             static ref RE: Regex = Regex::new(r"\[.*ahead.*\]").unwrap();
[INFO] [stdout] 176 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/main.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 | /         lazy_static! {
[INFO] [stdout] 188 | |             static ref RE: Regex = Regex::new(r"\[.*behind.*\]").unwrap();
[INFO] [stdout] 189 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/main.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 | /         lazy_static! {
[INFO] [stdout] 188 | |             static ref RE: Regex = Regex::new(r"\[.*behind.*\]").unwrap();
[INFO] [stdout] 189 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(attr_literals)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/main.rs:61:74
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 return WalkDir::new(String::from_utf8_lossy(&out.stdout).trim_right()).max_depth(4);
[INFO] [stdout]    |                                                                          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 return WalkDir::new(String::from_utf8_lossy(&out.stdout).trim_end()).max_depth(4);
[INFO] [stdout]    |                                                                          ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/main.rs:61:74
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 return WalkDir::new(String::from_utf8_lossy(&out.stdout).trim_right()).max_depth(4);
[INFO] [stdout]    |                                                                          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 return WalkDir::new(String::from_utf8_lossy(&out.stdout).trim_end()).max_depth(4);
[INFO] [stdout]    |                                                                          ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | /         walk_dir
[INFO] [stdout] 74 | |             .into_iter()
[INFO] [stdout] 75 | |             .map(|e| match e {
[INFO] [stdout] 76 | |                 Ok(e) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 95 | |             })
[INFO] [stdout] 96 | |             .collect::<Vec<_>>();
[INFO] [stdout]    | |________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let _ = walk_dir
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]    --> src/main.rs:218:5
[INFO] [stdout]     |
[INFO] [stdout] 218 | /     gsrs.into_iter()
[INFO] [stdout] 219 | |         .map(|gsr| {
[INFO] [stdout] 220 | |             if opt.all {
[INFO] [stdout] 221 | |                 print_gsr(&gsr, &opt);
[INFO] [stdout] ...   |
[INFO] [stdout] 231 | |         })
[INFO] [stdout] 232 | |         .collect::<Vec<_>>();
[INFO] [stdout]     | |____________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 218 |     let _ = gsrs.into_iter()
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | /         walk_dir
[INFO] [stdout] 74 | |             .into_iter()
[INFO] [stdout] 75 | |             .map(|e| match e {
[INFO] [stdout] 76 | |                 Ok(e) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 95 | |             })
[INFO] [stdout] 96 | |             .collect::<Vec<_>>();
[INFO] [stdout]    | |________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let _ = walk_dir
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]    --> src/main.rs:218:5
[INFO] [stdout]     |
[INFO] [stdout] 218 | /     gsrs.into_iter()
[INFO] [stdout] 219 | |         .map(|gsr| {
[INFO] [stdout] 220 | |             if opt.all {
[INFO] [stdout] 221 | |                 print_gsr(&gsr, &opt);
[INFO] [stdout] ...   |
[INFO] [stdout] 231 | |         })
[INFO] [stdout] 232 | |         .collect::<Vec<_>>();
[INFO] [stdout]     | |____________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 218 |     let _ = gsrs.into_iter()
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.70s
[INFO] running `Command { std: "docker" "inspect" "a4cec9d7134eaaaad94c1fb27841af5a9af7a1ca06bb8b64ffda3d6e1b23b7af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4cec9d7134eaaaad94c1fb27841af5a9af7a1ca06bb8b64ffda3d6e1b23b7af", kill_on_drop: false }`
[INFO] [stdout] a4cec9d7134eaaaad94c1fb27841af5a9af7a1ca06bb8b64ffda3d6e1b23b7af