[INFO] crate hc 0.1.2 is already in cache
[INFO] testing hc-0.1.2 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate hc 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate hc 0.1.2 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hc 0.1.2
[INFO] finished tweaking crates.io crate hc 0.1.2
[INFO] tweaked toml for crates.io crate hc 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4598766b423db031fe479ef6565d1b26d4ede39d8db9175da041f525c7a19425
[INFO] running `"docker" "start" "-a" "4598766b423db031fe479ef6565d1b26d4ede39d8db9175da041f525c7a19425"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling hc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:115:17
[INFO] [stderr]     |
[INFO] [stderr] 115 |       let lhs = try!(execute(ctx, &*l));
[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/executor.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:125:17
[INFO] [stderr]     |
[INFO] [stderr] 125 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:136:17
[INFO] [stderr]     |
[INFO] [stderr] 136 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:145:17
[INFO] [stderr]     |
[INFO] [stderr] 145 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:146:17
[INFO] [stderr]     |
[INFO] [stderr] 146 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:159:17
[INFO] [stderr]     |
[INFO] [stderr] 159 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:160:17
[INFO] [stderr]     |
[INFO] [stderr] 160 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:169:17
[INFO] [stderr]     |
[INFO] [stderr] 169 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:170:17
[INFO] [stderr]     |
[INFO] [stderr] 170 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:179:17
[INFO] [stderr]     |
[INFO] [stderr] 179 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:180:17
[INFO] [stderr]     |
[INFO] [stderr] 180 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:189:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:190:17
[INFO] [stderr]     |
[INFO] [stderr] 190 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:199:17
[INFO] [stderr]     |
[INFO] [stderr] 199 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:200:17
[INFO] [stderr]     |
[INFO] [stderr] 200 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:209:17
[INFO] [stderr]     |
[INFO] [stderr] 209 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:210:17
[INFO] [stderr]     |
[INFO] [stderr] 210 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:219:17
[INFO] [stderr]     |
[INFO] [stderr] 219 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:220:17
[INFO] [stderr]     |
[INFO] [stderr] 220 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:229:17
[INFO] [stderr]     |
[INFO] [stderr] 229 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.75s
[INFO] running `"docker" "inspect" "4598766b423db031fe479ef6565d1b26d4ede39d8db9175da041f525c7a19425"`
[INFO] running `"docker" "rm" "-f" "4598766b423db031fe479ef6565d1b26d4ede39d8db9175da041f525c7a19425"`
[INFO] [stdout] 4598766b423db031fe479ef6565d1b26d4ede39d8db9175da041f525c7a19425
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ea3c2a449bc57a5a9c76562521df87dac51b86638f19962beadc99d2a59eb3cc
[INFO] running `"docker" "start" "-a" "ea3c2a449bc57a5a9c76562521df87dac51b86638f19962beadc99d2a59eb3cc"`
[INFO] [stderr]    Compiling hc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:115:17
[INFO] [stderr]     |
[INFO] [stderr] 115 |       let lhs = try!(execute(ctx, &*l));
[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/executor.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:125:17
[INFO] [stderr]     |
[INFO] [stderr] 125 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:136:17
[INFO] [stderr]     |
[INFO] [stderr] 136 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:145:17
[INFO] [stderr]     |
[INFO] [stderr] 145 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:146:17
[INFO] [stderr]     |
[INFO] [stderr] 146 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:159:17
[INFO] [stderr]     |
[INFO] [stderr] 159 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:160:17
[INFO] [stderr]     |
[INFO] [stderr] 160 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:169:17
[INFO] [stderr]     |
[INFO] [stderr] 169 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:170:17
[INFO] [stderr]     |
[INFO] [stderr] 170 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:179:17
[INFO] [stderr]     |
[INFO] [stderr] 179 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:180:17
[INFO] [stderr]     |
[INFO] [stderr] 180 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:189:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:190:17
[INFO] [stderr]     |
[INFO] [stderr] 190 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:199:17
[INFO] [stderr]     |
[INFO] [stderr] 199 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:200:17
[INFO] [stderr]     |
[INFO] [stderr] 200 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:209:17
[INFO] [stderr]     |
[INFO] [stderr] 209 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:210:17
[INFO] [stderr]     |
[INFO] [stderr] 210 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:219:17
[INFO] [stderr]     |
[INFO] [stderr] 219 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:220:17
[INFO] [stderr]     |
[INFO] [stderr] 220 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:229:17
[INFO] [stderr]     |
[INFO] [stderr] 229 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "ea3c2a449bc57a5a9c76562521df87dac51b86638f19962beadc99d2a59eb3cc"`
[INFO] running `"docker" "rm" "-f" "ea3c2a449bc57a5a9c76562521df87dac51b86638f19962beadc99d2a59eb3cc"`
[INFO] [stdout] ea3c2a449bc57a5a9c76562521df87dac51b86638f19962beadc99d2a59eb3cc
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 333defbe5bd3872b9633604209f832d0373f27e33ba8ecd7a3a1ce8c08e7b841
[INFO] running `"docker" "start" "-a" "333defbe5bd3872b9633604209f832d0373f27e33ba8ecd7a3a1ce8c08e7b841"`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:115:17
[INFO] [stderr]     |
[INFO] [stderr] 115 |       let lhs = try!(execute(ctx, &*l));
[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/executor.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:125:17
[INFO] [stderr]     |
[INFO] [stderr] 125 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:136:17
[INFO] [stderr]     |
[INFO] [stderr] 136 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:145:17
[INFO] [stderr]     |
[INFO] [stderr] 145 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:146:17
[INFO] [stderr]     |
[INFO] [stderr] 146 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:159:17
[INFO] [stderr]     |
[INFO] [stderr] 159 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:160:17
[INFO] [stderr]     |
[INFO] [stderr] 160 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:169:17
[INFO] [stderr]     |
[INFO] [stderr] 169 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:170:17
[INFO] [stderr]     |
[INFO] [stderr] 170 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:179:17
[INFO] [stderr]     |
[INFO] [stderr] 179 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:180:17
[INFO] [stderr]     |
[INFO] [stderr] 180 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:189:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:190:17
[INFO] [stderr]     |
[INFO] [stderr] 190 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:199:17
[INFO] [stderr]     |
[INFO] [stderr] 199 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:200:17
[INFO] [stderr]     |
[INFO] [stderr] 200 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:209:17
[INFO] [stderr]     |
[INFO] [stderr] 209 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:210:17
[INFO] [stderr]     |
[INFO] [stderr] 210 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:219:17
[INFO] [stderr]     |
[INFO] [stderr] 219 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:220:17
[INFO] [stderr]     |
[INFO] [stderr] 220 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/executor.rs:229:17
[INFO] [stderr]     |
[INFO] [stderr] 229 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hc-b591407ff60b65ab
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "333defbe5bd3872b9633604209f832d0373f27e33ba8ecd7a3a1ce8c08e7b841"`
[INFO] running `"docker" "rm" "-f" "333defbe5bd3872b9633604209f832d0373f27e33ba8ecd7a3a1ce8c08e7b841"`
[INFO] [stdout] 333defbe5bd3872b9633604209f832d0373f27e33ba8ecd7a3a1ce8c08e7b841