[INFO] crate fatr 0.2.0 is already in cache
[INFO] checking fatr-0.2.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate fatr 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fatr 0.2.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fatr 0.2.0
[INFO] finished tweaking crates.io crate fatr 0.2.0
[INFO] tweaked toml for crates.io crate fatr 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 2567330efadd8fce1f38d2ae3017c550f93faa72402b19a9cf91c5e9e52c2abd
[INFO] running `"docker" "start" "-a" "2567330efadd8fce1f38d2ae3017c550f93faa72402b19a9cf91c5e9e52c2abd"`
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking fatr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/commands/add.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         try!(image.write_data_sector(entry_index, &chunk));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fat/image.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         try!(file.read_exact(&mut image.boot_sector));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fat/image.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |         try!(file.read_exact(&mut image.fat_1));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fat/image.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         try!(file.read_exact(&mut image.fat_2));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fat/image.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         try!(file.read_exact(&mut image.root_dir));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fat/image.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         try!(file.read_exact(&mut image.data_area));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fat/image.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         try!(file.write_all(&self.boot_sector));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fat/image.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         try!(file.write_all(&self.fat_1));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fat/image.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         try!(file.write_all(&self.fat_2));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fat/image.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |         try!(file.write_all(&self.root_dir));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fat/image.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         try!(file.write_all(&self.data_area));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/fat/image.rs:119:13
[INFO] [stderr]     |
[INFO] [stderr] 119 |             try!(entry.set_filename(filename));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/commands/add.rs:10:23
[INFO] [stderr]    |
[INFO] [stderr] 10 |     -> Result<(), Box<error::Error>>
[INFO] [stderr]    |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/commands/detail.rs:6:23
[INFO] [stderr]   |
[INFO] [stderr] 6 |     -> Result<(), Box<error::Error>>
[INFO] [stderr]   |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/commands/list.rs:6:23
[INFO] [stderr]   |
[INFO] [stderr] 6 |     -> Result<(), Box<error::Error>>
[INFO] [stderr]   |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/commands/mod.rs:11:49
[INFO] [stderr]    |
[INFO] [stderr] 11 | type Command = fn (&[String]) -> Result<(), Box<error::Error>>;
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fat/image.rs:48:30
[INFO] [stderr]    |
[INFO] [stderr] 48 |         -> Result<Image, Box<error::Error>>
[INFO] [stderr]    |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fat/image.rs:94:34
[INFO] [stderr]    |
[INFO] [stderr] 94 |         -> Result<RootEntry, Box<error::Error>>
[INFO] [stderr]    |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fat/image.rs:113:41
[INFO] [stderr]     |
[INFO] [stderr] 113 |         -> Result<(RootEntry, u16), Box<error::Error>>
[INFO] [stderr]     |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fat/image.rs:127:27
[INFO] [stderr]     |
[INFO] [stderr] 127 |         -> Result<(), Box<error::Error>>
[INFO] [stderr]     |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fat/image.rs:140:16
[INFO] [stderr]     |
[INFO] [stderr] 140 |         -> Box<Iterator<Item=(usize, u16)> + 'a>
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(usize, u16)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fat/image.rs:178:27
[INFO] [stderr]     |
[INFO] [stderr] 178 |         -> Result<(), Box<error::Error>>
[INFO] [stderr]     |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fat/root_entry.rs:40:50
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn filename(&self) -> Result<String, Box<error::Error>> {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fat/root_entry.rs:56:27
[INFO] [stderr]    |
[INFO] [stderr] 56 |         -> Result<(), Box<error::Error>>
[INFO] [stderr]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:42:19
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn error(err: Box<error::Error>) {
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/commands/add.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         try!(image.write_data_sector(entry_index, &chunk));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fat/image.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         try!(file.read_exact(&mut image.boot_sector));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fat/image.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |         try!(file.read_exact(&mut image.fat_1));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fat/image.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         try!(file.read_exact(&mut image.fat_2));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fat/image.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         try!(file.read_exact(&mut image.root_dir));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fat/image.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         try!(file.read_exact(&mut image.data_area));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fat/image.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         try!(file.write_all(&self.boot_sector));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fat/image.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         try!(file.write_all(&self.fat_1));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fat/image.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         try!(file.write_all(&self.fat_2));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fat/image.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |         try!(file.write_all(&self.root_dir));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fat/image.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         try!(file.write_all(&self.data_area));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/fat/image.rs:119:13
[INFO] [stderr]     |
[INFO] [stderr] 119 |             try!(entry.set_filename(filename));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/commands/add.rs:10:23
[INFO] [stderr]    |
[INFO] [stderr] 10 |     -> Result<(), Box<error::Error>>
[INFO] [stderr]    |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/commands/detail.rs:6:23
[INFO] [stderr]   |
[INFO] [stderr] 6 |     -> Result<(), Box<error::Error>>
[INFO] [stderr]   |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/commands/list.rs:6:23
[INFO] [stderr]   |
[INFO] [stderr] 6 |     -> Result<(), Box<error::Error>>
[INFO] [stderr]   |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/commands/mod.rs:11:49
[INFO] [stderr]    |
[INFO] [stderr] 11 | type Command = fn (&[String]) -> Result<(), Box<error::Error>>;
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fat/image.rs:48:30
[INFO] [stderr]    |
[INFO] [stderr] 48 |         -> Result<Image, Box<error::Error>>
[INFO] [stderr]    |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fat/image.rs:94:34
[INFO] [stderr]    |
[INFO] [stderr] 94 |         -> Result<RootEntry, Box<error::Error>>
[INFO] [stderr]    |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fat/image.rs:113:41
[INFO] [stderr]     |
[INFO] [stderr] 113 |         -> Result<(RootEntry, u16), Box<error::Error>>
[INFO] [stderr]     |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fat/image.rs:127:27
[INFO] [stderr]     |
[INFO] [stderr] 127 |         -> Result<(), Box<error::Error>>
[INFO] [stderr]     |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fat/image.rs:140:16
[INFO] [stderr]     |
[INFO] [stderr] 140 |         -> Box<Iterator<Item=(usize, u16)> + 'a>
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(usize, u16)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fat/image.rs:178:27
[INFO] [stderr]     |
[INFO] [stderr] 178 |         -> Result<(), Box<error::Error>>
[INFO] [stderr]     |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fat/root_entry.rs:40:50
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn filename(&self) -> Result<String, Box<error::Error>> {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fat/root_entry.rs:56:27
[INFO] [stderr]    |
[INFO] [stderr] 56 |         -> Result<(), Box<error::Error>>
[INFO] [stderr]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:42:19
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn error(err: Box<error::Error>) {
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/fat/image.rs:185:13
[INFO] [stderr]     |
[INFO] [stderr] 185 |         let mut target_slice = &mut self.data_area[
[INFO] [stderr]     |             ----^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 26 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/fat/image.rs:185:13
[INFO] [stderr]     |
[INFO] [stderr] 185 |         let mut target_slice = &mut self.data_area[
[INFO] [stderr]     |             ----^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 26 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `"docker" "inspect" "2567330efadd8fce1f38d2ae3017c550f93faa72402b19a9cf91c5e9e52c2abd"`
[INFO] running `"docker" "rm" "-f" "2567330efadd8fce1f38d2ae3017c550f93faa72402b19a9cf91c5e9e52c2abd"`
[INFO] [stdout] 2567330efadd8fce1f38d2ae3017c550f93faa72402b19a9cf91c5e9e52c2abd