[INFO] crate utf8reader 0.1.0 is already in cache
[INFO] checking utf8reader-0.1.0 against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] extracting crate utf8reader 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate utf8reader 0.1.0 on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate utf8reader 0.1.0
[INFO] finished tweaking crates.io crate utf8reader 0.1.0
[INFO] tweaked toml for crates.io crate utf8reader 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8e0e8f59da0dc6001b270922d3a99f76b6f97020f2870233c2bae8c7431c2bbf
[INFO] running `Command { std: "docker" "start" "-a" "8e0e8f59da0dc6001b270922d3a99f76b6f97020f2870233c2bae8c7431c2bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e0e8f59da0dc6001b270922d3a99f76b6f97020f2870233c2bae8c7431c2bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e0e8f59da0dc6001b270922d3a99f76b6f97020f2870233c2bae8c7431c2bbf", kill_on_drop: false }`
[INFO] [stdout] 8e0e8f59da0dc6001b270922d3a99f76b6f97020f2870233c2bae8c7431c2bbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7e749817d2d33f023321f455f45b802e025823a4f6ab9cb3f58bdcb81c04aec
[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" "d7e749817d2d33f023321f455f45b802e025823a4f6ab9cb3f58bdcb81c04aec", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking utf8reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:43:6
[INFO] [stdout]    |
[INFO] [stdout] 43 |         if try!(self.stream.read(&mut b)) == 0 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:43:6
[INFO] [stdout]    |
[INFO] [stdout] 43 |         if try!(self.stream.read(&mut b)) == 0 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |         let ch1 = try_some_or!(self.getb(), return Ok(None)) as u32;
[INFO] [stdout]    |                   ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |         let ch1 = try_some_or!(self.getb(), return Ok(None)) as u32;
[INFO] [stdout]    |                   ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |             let ch2 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |             let ch2 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |             let ch2 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |             let ch2 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |             let ch3 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |             let ch3 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 |             let ch2 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 |             let ch2 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 97 |             let ch3 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 97 |             let ch3 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:14:35
[INFO] [stdout]     |
[INFO] [stdout] 14  |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |             let ch4 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]     |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:14:35
[INFO] [stdout]     |
[INFO] [stdout] 14  |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |             let ch4 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]     |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "d7e749817d2d33f023321f455f45b802e025823a4f6ab9cb3f58bdcb81c04aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7e749817d2d33f023321f455f45b802e025823a4f6ab9cb3f58bdcb81c04aec", kill_on_drop: false }`
[INFO] [stdout] d7e749817d2d33f023321f455f45b802e025823a4f6ab9cb3f58bdcb81c04aec