[INFO] crate hc 0.1.2 is already in cache
[INFO] checking hc-0.1.2 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate hc 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate hc 0.1.2 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55b3ac7d73b85aada03e1faf548f6ff837518c6904810e0fe874cdf4924aa7e7
[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" "55b3ac7d73b85aada03e1faf548f6ff837518c6904810e0fe874cdf4924aa7e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55b3ac7d73b85aada03e1faf548f6ff837518c6904810e0fe874cdf4924aa7e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b3ac7d73b85aada03e1faf548f6ff837518c6904810e0fe874cdf4924aa7e7", kill_on_drop: false }`
[INFO] [stdout] 55b3ac7d73b85aada03e1faf548f6ff837518c6904810e0fe874cdf4924aa7e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b666a7ac45f6532d952961b97d36402adb768da2ce3771bb14e31ad0546d2f3
[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" "7b666a7ac45f6532d952961b97d36402adb768da2ce3771bb14e31ad0546d2f3", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking hc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 |       let lhs = try!(execute(ctx, &*l));
[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/executor.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:126:17
[INFO] [stdout]     |
[INFO] [stdout] 126 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:159:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:170:17
[INFO] [stdout]     |
[INFO] [stdout] 170 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:179:17
[INFO] [stdout]     |
[INFO] [stdout] 179 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:199:17
[INFO] [stdout]     |
[INFO] [stdout] 199 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:210:17
[INFO] [stdout]     |
[INFO] [stdout] 210 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:220:17
[INFO] [stdout]     |
[INFO] [stdout] 220 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:229:17
[INFO] [stdout]     |
[INFO] [stdout] 229 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 |       let lhs = try!(execute(ctx, &*l));
[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/executor.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:126:17
[INFO] [stdout]     |
[INFO] [stdout] 126 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:159:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:170:17
[INFO] [stdout]     |
[INFO] [stdout] 170 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:179:17
[INFO] [stdout]     |
[INFO] [stdout] 179 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:199:17
[INFO] [stdout]     |
[INFO] [stdout] 199 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:210:17
[INFO] [stdout]     |
[INFO] [stdout] 210 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:220:17
[INFO] [stdout]     |
[INFO] [stdout] 220 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:229:17
[INFO] [stdout]     |
[INFO] [stdout] 229 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.42s
[INFO] running `Command { std: "docker" "inspect" "7b666a7ac45f6532d952961b97d36402adb768da2ce3771bb14e31ad0546d2f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b666a7ac45f6532d952961b97d36402adb768da2ce3771bb14e31ad0546d2f3", kill_on_drop: false }`
[INFO] [stdout] 7b666a7ac45f6532d952961b97d36402adb768da2ce3771bb14e31ad0546d2f3