[INFO] fetching crate crates-mirror 0.2.1...
[INFO] checking crates-mirror-0.2.1 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate crates-mirror 0.2.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate crates-mirror 0.2.1 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crates-mirror 0.2.1
[INFO] finished tweaking crates.io crate crates-mirror 0.2.1
[INFO] tweaked toml for crates.io crate crates-mirror 0.2.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded router v0.4.0
[INFO] [stderr]   Downloaded clippy v0.0.95
[INFO] [stderr]   Downloaded clippy_lints v0.0.95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e4d1c3d60efdf1c904fd7a3b823c22628d1bc061c138d23094d3f018c6f4997
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7e4d1c3d60efdf1c904fd7a3b823c22628d1bc061c138d23094d3f018c6f4997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e4d1c3d60efdf1c904fd7a3b823c22628d1bc061c138d23094d3f018c6f4997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e4d1c3d60efdf1c904fd7a3b823c22628d1bc061c138d23094d3f018c6f4997", kill_on_drop: false }`
[INFO] [stdout] 7e4d1c3d60efdf1c904fd7a3b823c22628d1bc061c138d23094d3f018c6f4997
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8728c5b1cb48cf468f0191fb12d42f93c6e38b817c6a116dcdeac8a91273a82
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c8728c5b1cb48cf468f0191fb12d42f93c6e38b817c6a116dcdeac8a91273a82", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling curl v0.4.33
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking byte-tools v0.1.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking route-recognizer v0.1.13
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking toml v0.2.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking thread-id v2.0.0
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[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]    Compiling libssh2-sys v0.2.19
[INFO] [stderr]    Compiling libgit2-sys v0.6.19
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking generic-array v0.5.1
[INFO] [stderr]     Checking digest v0.2.1
[INFO] [stderr]     Checking digest-buffer v0.1.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking sha2 v0.2.0
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking hyper v0.9.18
[INFO] [stderr]     Checking iron v0.4.0
[INFO] [stderr]     Checking router v0.4.0
[INFO] [stderr]     Checking git2 v0.6.11
[INFO] [stderr]     Checking crates-mirror v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:435:22
[INFO] [stdout]     |
[INFO] [stdout] 435 |         let config = try!(git2::Config::open_default());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/main.rs:11:9
[INFO] [stdout]     |
[INFO] [stdout] 11  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:489:5
[INFO] [stdout]     |
[INFO] [stdout] 489 |     try!(origin.fetch(&["master"], None, None));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:490:16
[INFO] [stdout]     |
[INFO] [stdout] 490 |     let head = try!(repo.head());
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:492:18
[INFO] [stdout]     |
[INFO] [stdout] 492 |     let parent = try!(repo.find_commit(head.target().unwrap()));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:493:18
[INFO] [stdout]     |
[INFO] [stdout] 493 |     let remote = try!(repo.find_reference("refs/remotes/origin/master"));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:494:13
[INFO] [stdout]     |
[INFO] [stdout] 494 |     let c = try!(repo.reference_to_annotated_commit(&remote));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:497:21
[INFO] [stdout]     |
[INFO] [stdout] 497 |     let mut index = try!(repo.index());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:498:20
[INFO] [stdout]     |
[INFO] [stdout] 498 |     let old_tree = try!(repo.find_tree(try!(index.write_tree())));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:498:40
[INFO] [stdout]     |
[INFO] [stdout] 498 |     let old_tree = try!(repo.find_tree(try!(index.write_tree())));
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:499:5
[INFO] [stdout]     |
[INFO] [stdout] 499 |     try!(repo.merge(&[&c],
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:502:5
[INFO] [stdout]     |
[INFO] [stdout] 502 |     try!(index.write());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:503:19
[INFO] [stdout]     |
[INFO] [stdout] 503 |     let tree_id = try!(index.write_tree());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:504:16
[INFO] [stdout]     |
[INFO] [stdout] 504 |     let tree = try!(repo.find_tree(tree_id));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:505:16
[INFO] [stdout]     |
[INFO] [stdout] 505 |     let diff = try!(repo.diff_tree_to_tree(Some(&old_tree), Some(&tree), None));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:506:8
[INFO] [stdout]     |
[INFO] [stdout] 506 |     if try!(diff.stats()).files_changed() > 0 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:508:19
[INFO] [stdout]     |
[INFO] [stdout] 508 |         let sig = try!(repo.signature());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:509:9
[INFO] [stdout]     |
[INFO] [stdout] 509 |         try!(repo.commit(Some("HEAD"), &sig, &sig, "Merge", &tree, &[&parent]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:515:30
[INFO] [stdout]     |
[INFO] [stdout] 515 |             let mut remote = try!(repo.find_remote("local"));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:518:13
[INFO] [stdout]     |
[INFO] [stdout] 518 |             try!(remote.push(&["refs/heads/master"], Some(&mut opts)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:523:9
[INFO] [stdout]     |
[INFO] [stdout] 523 |         try!(repo.cleanup_state());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `File` is imported redundantly
[INFO] [stdout]   --> src/main.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 25 | use std::fs::{create_dir_all, File};
[INFO] [stdout]    |                               ---- the item `File` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 70 |         use std::fs::File;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Read` is imported redundantly
[INFO] [stdout]   --> src/main.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 26 | use std::io::{BufWriter, Write, Read, BufReader, BufRead};
[INFO] [stdout]    |                                 ---- the item `Read` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 71 |         use std::io::Read;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:435:22
[INFO] [stdout]     |
[INFO] [stdout] 435 |         let config = try!(git2::Config::open_default());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/main.rs:11:9
[INFO] [stdout]     |
[INFO] [stdout] 11  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:489:5
[INFO] [stdout]     |
[INFO] [stdout] 489 |     try!(origin.fetch(&["master"], None, None));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:490:16
[INFO] [stdout]     |
[INFO] [stdout] 490 |     let head = try!(repo.head());
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:492:18
[INFO] [stdout]     |
[INFO] [stdout] 492 |     let parent = try!(repo.find_commit(head.target().unwrap()));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:493:18
[INFO] [stdout]     |
[INFO] [stdout] 493 |     let remote = try!(repo.find_reference("refs/remotes/origin/master"));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:494:13
[INFO] [stdout]     |
[INFO] [stdout] 494 |     let c = try!(repo.reference_to_annotated_commit(&remote));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:497:21
[INFO] [stdout]     |
[INFO] [stdout] 497 |     let mut index = try!(repo.index());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:498:20
[INFO] [stdout]     |
[INFO] [stdout] 498 |     let old_tree = try!(repo.find_tree(try!(index.write_tree())));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:498:40
[INFO] [stdout]     |
[INFO] [stdout] 498 |     let old_tree = try!(repo.find_tree(try!(index.write_tree())));
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:499:5
[INFO] [stdout]     |
[INFO] [stdout] 499 |     try!(repo.merge(&[&c],
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:502:5
[INFO] [stdout]     |
[INFO] [stdout] 502 |     try!(index.write());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:503:19
[INFO] [stdout]     |
[INFO] [stdout] 503 |     let tree_id = try!(index.write_tree());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:504:16
[INFO] [stdout]     |
[INFO] [stdout] 504 |     let tree = try!(repo.find_tree(tree_id));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:505:16
[INFO] [stdout]     |
[INFO] [stdout] 505 |     let diff = try!(repo.diff_tree_to_tree(Some(&old_tree), Some(&tree), None));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:506:8
[INFO] [stdout]     |
[INFO] [stdout] 506 |     if try!(diff.stats()).files_changed() > 0 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:508:19
[INFO] [stdout]     |
[INFO] [stdout] 508 |         let sig = try!(repo.signature());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:509:9
[INFO] [stdout]     |
[INFO] [stdout] 509 |         try!(repo.commit(Some("HEAD"), &sig, &sig, "Merge", &tree, &[&parent]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:515:30
[INFO] [stdout]     |
[INFO] [stdout] 515 |             let mut remote = try!(repo.find_remote("local"));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:518:13
[INFO] [stdout]     |
[INFO] [stdout] 518 |             try!(remote.push(&["refs/heads/master"], Some(&mut opts)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:523:9
[INFO] [stdout]     |
[INFO] [stdout] 523 |         try!(repo.cleanup_state());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `File` is imported redundantly
[INFO] [stdout]   --> src/main.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 25 | use std::fs::{create_dir_all, File};
[INFO] [stdout]    |                               ---- the item `File` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 70 |         use std::fs::File;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Read` is imported redundantly
[INFO] [stdout]   --> src/main.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 26 | use std::io::{BufWriter, Write, Read, BufReader, BufRead};
[INFO] [stdout]    |                                 ---- the item `Read` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 71 |         use std::io::Read;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crates-mirror`.
[INFO] [stdout] error: aborting due to 22 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 22 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c8728c5b1cb48cf468f0191fb12d42f93c6e38b817c6a116dcdeac8a91273a82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8728c5b1cb48cf468f0191fb12d42f93c6e38b817c6a116dcdeac8a91273a82", kill_on_drop: false }`
[INFO] [stdout] c8728c5b1cb48cf468f0191fb12d42f93c6e38b817c6a116dcdeac8a91273a82
