[INFO] updating cached repository aep/archon
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aep/archon
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aep/archon" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/aep/archon"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/aep/archon'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aep/archon" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/aep/archon"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/aep/archon'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6aa0cce631efe530d5f94a1b893c0efdc7712fec
[INFO] sha for GitHub repo aep/archon: 6aa0cce631efe530d5f94a1b893c0efdc7712fec
[INFO] validating manifest of aep/archon on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of aep/archon on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing aep/archon
[INFO] finished frobbing aep/archon
[INFO] frobbed toml for aep/archon written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/aep/archon/Cargo.toml
[INFO] started frobbing aep/archon
[INFO] finished frobbing aep/archon
[INFO] frobbed toml for aep/archon written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/aep/archon/Cargo.toml
[INFO] crate aep/archon already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking aep/archon against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-0/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/aep/archon:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] eaa636c439b1c6dd076a93c3b4d22e45f687eb9eba6ef0394495fcb0778aa1d1
[INFO] running `"docker" "start" "-a" "eaa636c439b1c6dd076a93c3b4d22e45f687eb9eba6ef0394495fcb0778aa1d1"`
[INFO] [stderr]     Checking either v1.2.0
[INFO] [stderr]     Checking rollsum v0.2.1
[INFO] [stderr]    Compiling fuse v0.3.0
[INFO] [stderr]     Checking rmp v0.8.6
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking generic-array v0.8.2
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]     Checking pbr v1.0.0
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking rmp-serde v0.13.5
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking elfkit v0.0.4
[INFO] [stderr]     Checking archon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/chunker.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |     it: Box<Iterator<Item=(R, I)> + 'a>,
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(R, I)> + 'a`
[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/chunker.rs:39:24
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn new(it: Box<Iterator<Item=(R, I)> + 'a>, c: C, bits: u32) -> Chunker<'a, R, C, I>{
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(R, I)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fs.rs:46:35
[INFO] [stderr]    |
[INFO] [stderr] 46 |     open_files:  HashMap<u64, Box<Read + 'a>>,
[INFO] [stderr]    |                                   ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/readchain.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |     it: Box<Iterator<Item=R> + 'a>,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=R> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/readchain.rs:56:24
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn new(it: Box<Iterator<Item=R> + 'a>) -> Chain<'a, R>{
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=R> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Url`
[INFO] [stderr]   --> src/main.rs:33:11
[INFO] [stderr]    |
[INFO] [stderr] 33 | use url::{Url};
[INFO] [stderr]    |           ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/chunker.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |     it: Box<Iterator<Item=(R, I)> + 'a>,
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(R, I)> + 'a`
[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/chunker.rs:39:24
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn new(it: Box<Iterator<Item=(R, I)> + 'a>, c: C, bits: u32) -> Chunker<'a, R, C, I>{
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(R, I)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fs.rs:46:35
[INFO] [stderr]    |
[INFO] [stderr] 46 |     open_files:  HashMap<u64, Box<Read + 'a>>,
[INFO] [stderr]    |                                   ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/readchain.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |     it: Box<Iterator<Item=R> + 'a>,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=R> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/readchain.rs:56:24
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn new(it: Box<Iterator<Item=R> + 'a>) -> Chain<'a, R>{
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=R> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Url`
[INFO] [stderr]   --> src/main.rs:33:11
[INFO] [stderr]    |
[INFO] [stderr] 33 | use url::{Url};
[INFO] [stderr]    |           ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/main.rs:147:17
[INFO] [stderr]     |
[INFO] [stderr] 147 |             let name = submatches.value_of("name").unwrap();
[INFO] [stderr]     |                 ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/main.rs:147:17
[INFO] [stderr]     |
[INFO] [stderr] 147 |             let name = submatches.value_of("name").unwrap();
[INFO] [stderr]     |                 ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |             create_dir_all(&bsp);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/serializer.rs:74:21
[INFO] [stderr]    |
[INFO] [stderr] 74 |                     host_file.seek(SeekFrom::Start(0));
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |             create_dir_all(&bsp);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/serializer.rs:74:21
[INFO] [stderr]    |
[INFO] [stderr] 74 |                     host_file.seek(SeekFrom::Start(0));
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.95s
[INFO] running `"docker" "inspect" "eaa636c439b1c6dd076a93c3b4d22e45f687eb9eba6ef0394495fcb0778aa1d1"`
[INFO] running `"docker" "rm" "-f" "eaa636c439b1c6dd076a93c3b4d22e45f687eb9eba6ef0394495fcb0778aa1d1"`
[INFO] [stdout] eaa636c439b1c6dd076a93c3b4d22e45f687eb9eba6ef0394495fcb0778aa1d1