[INFO] fetching crate utf8reader 0.1.0...
[INFO] checking utf8reader-0.1.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate utf8reader 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate utf8reader 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e14eac399c296fbb763bb77b7e63aa425a0a05b5862196271dfab04422cda8ad
[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" "e14eac399c296fbb763bb77b7e63aa425a0a05b5862196271dfab04422cda8ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e14eac399c296fbb763bb77b7e63aa425a0a05b5862196271dfab04422cda8ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e14eac399c296fbb763bb77b7e63aa425a0a05b5862196271dfab04422cda8ad", kill_on_drop: false }`
[INFO] [stdout] e14eac399c296fbb763bb77b7e63aa425a0a05b5862196271dfab04422cda8ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 0d145393a8d993a8ef84f083d747d5369b6f2ed098b7cbfe251347da6ffd1e0f
[INFO] running `Command { std: "docker" "start" "-a" "0d145393a8d993a8ef84f083d747d5369b6f2ed098b7cbfe251347da6ffd1e0f", kill_on_drop: false }`
[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: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 => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |             let ch2 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($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 => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 |             let ch2 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($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 => $fail } );
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |             let ch4 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]     |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:43:6
[INFO] [stdout]    |
[INFO] [stdout] 43 |         if try!(self.stream.read(&mut b)) == 0 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($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 => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |             let ch2 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($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 => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |             let ch3 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($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 => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 97 |             let ch3 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:14:35
[INFO] [stdout]     |
[INFO] [stdout] 14  |     ($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: 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 0.15s
[INFO] running `Command { std: "docker" "inspect" "0d145393a8d993a8ef84f083d747d5369b6f2ed098b7cbfe251347da6ffd1e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d145393a8d993a8ef84f083d747d5369b6f2ed098b7cbfe251347da6ffd1e0f", kill_on_drop: false }`
[INFO] [stdout] 0d145393a8d993a8ef84f083d747d5369b6f2ed098b7cbfe251347da6ffd1e0f
