[INFO] fetching crate utf8reader 0.1.0...
[INFO] checking utf8reader-0.1.0 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate utf8reader 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate utf8reader 0.1.0 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33b8466980f76a4ba734ec0e75549e8b09656630f9ebeea7f0025bdc163d2c60
[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" "33b8466980f76a4ba734ec0e75549e8b09656630f9ebeea7f0025bdc163d2c60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33b8466980f76a4ba734ec0e75549e8b09656630f9ebeea7f0025bdc163d2c60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33b8466980f76a4ba734ec0e75549e8b09656630f9ebeea7f0025bdc163d2c60", kill_on_drop: false }`
[INFO] [stdout] 33b8466980f76a4ba734ec0e75549e8b09656630f9ebeea7f0025bdc163d2c60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d18db62671ddae5db0b2d33f173f94a156302f6de2c6fb4cc97aa48479eccbd
[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" "4d18db62671ddae5db0b2d33f173f94a156302f6de2c6fb4cc97aa48479eccbd", kill_on_drop: false }`
[INFO] [stderr]     Checking utf8reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `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 macro `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 => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |         let ch1 = try_some_or!(self.getb(), return Ok(None)) as u32;
[INFO] [stdout]    |                   ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |             let ch2 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |             let ch2 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |             let ch3 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 |             let ch2 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 97 |             let ch3 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:14:35
[INFO] [stdout]     |
[INFO] [stdout] 14  |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |             let ch4 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]     |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:43:6
[INFO] [stdout]    |
[INFO] [stdout] 43 |         if try!(self.stream.read(&mut b)) == 0 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |         let ch1 = try_some_or!(self.getb(), return Ok(None)) as u32;
[INFO] [stdout]    |                   ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |             let ch2 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |             let ch2 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |             let ch3 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 |             let ch2 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ($e:expr, $fail:expr) => ( match try!($e) { Some(v) => v, None => $fail } );
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 97 |             let ch3 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stdout]    |                       --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:14:35
[INFO] [stdout]     |
[INFO] [stdout] 14  |     ($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 0.31s
[INFO] running `Command { std: "docker" "inspect" "4d18db62671ddae5db0b2d33f173f94a156302f6de2c6fb4cc97aa48479eccbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d18db62671ddae5db0b2d33f173f94a156302f6de2c6fb4cc97aa48479eccbd", kill_on_drop: false }`
[INFO] [stdout] 4d18db62671ddae5db0b2d33f173f94a156302f6de2c6fb4cc97aa48479eccbd