[INFO] fetching crate darkly 0.2.0...
[INFO] checking darkly-0.2.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate darkly 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate darkly 0.2.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate darkly 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate darkly 0.2.0
[INFO] tweaked toml for crates.io crate darkly 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darkly-macros v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2eb7d49fd08ee2bbf1fd74c8a16dbdab8ad16f52e15f0f2230aff013def9cd6c
[INFO] running `Command { std: "docker" "start" "-a" "2eb7d49fd08ee2bbf1fd74c8a16dbdab8ad16f52e15f0f2230aff013def9cd6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2eb7d49fd08ee2bbf1fd74c8a16dbdab8ad16f52e15f0f2230aff013def9cd6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb7d49fd08ee2bbf1fd74c8a16dbdab8ad16f52e15f0f2230aff013def9cd6c", kill_on_drop: false }`
[INFO] [stdout] 2eb7d49fd08ee2bbf1fd74c8a16dbdab8ad16f52e15f0f2230aff013def9cd6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bac8a3ced9ffa75fce5d1f69f2340d9f29d3853383b31175690ea147e176edb
[INFO] running `Command { std: "docker" "start" "-a" "4bac8a3ced9ffa75fce5d1f69f2340d9f29d3853383b31175690ea147e176edb", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling darkly-macros v0.2.0
[INFO] [stderr]     Checking darkly v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/lib.rs:299:41
[INFO] [stdout]     |
[INFO] [stdout] 299 |         assert!(ss.scan_to(",").unwrap(): String == "Hello");
[INFO] [stdout]     |                                         ^ expected one of `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/lib.rs:302:35
[INFO] [stdout]     |
[INFO] [stdout] 302 |         assert!(ss.scan().unwrap(): String == "world!");
[INFO] [stdout]     |                                   ^ expected one of `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/lib.rs:308:41
[INFO] [stdout]     |
[INFO] [stdout] 308 |         assert!(ss.scan_to(":").unwrap(): String == "Hello");
[INFO] [stdout]     |                                         ^ expected one of `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/lib.rs:311:41
[INFO] [stdout]     |
[INFO] [stdout] 311 |         assert!(ss.scan_to("!").unwrap(): u32 == 42);
[INFO] [stdout]     |                                         ^ expected one of `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/lib.rs:317:49
[INFO] [stdout]     |
[INFO] [stdout] 317 |         assert!(ss.scan_to_whitespace().unwrap(): String == "Hello");
[INFO] [stdout]     |                                                 ^ expected one of `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/lib.rs:318:41
[INFO] [stdout]     |
[INFO] [stdout] 318 |         assert!(ss.scan_to("!").unwrap(): u32 == 42);
[INFO] [stdout]     |                                         ^ expected one of `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/lib.rs:320:49
[INFO] [stdout]     |
[INFO] [stdout] 320 |         assert!(ss.scan_to_whitespace().unwrap(): i32 == 0);
[INFO] [stdout]     |                                                 ^ expected one of `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate as darkly`
[INFO] [stdout]   --> src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use crate as darkly;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found `:`
[INFO] [stdout]    --> src/lib.rs:396:28
[INFO] [stdout]     |
[INFO] [stdout] 396 |         println!("{} {}", a: i32, b: i32);
[INFO] [stdout]     |                            ^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `darkly` (lib test) due to 9 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: expected identifier, found `:`
[INFO] [stdout]   --> examples/main.rs:32:30
[INFO] [stdout]    |
[INFO] [stdout] 32 |     println!("{} {} {} {}", a: i32, b: i32, c: i32, d: i32);
[INFO] [stdout]    |                              ^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `darkly` (example "main") due to 2 previous errors; 1 warning emitted
[INFO] [stdout] warning: unused import: `scanlns`
[INFO] [stdout]  --> examples/main.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 | use darkly::{scanln, scanlns};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4bac8a3ced9ffa75fce5d1f69f2340d9f29d3853383b31175690ea147e176edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bac8a3ced9ffa75fce5d1f69f2340d9f29d3853383b31175690ea147e176edb", kill_on_drop: false }`
[INFO] [stdout] 4bac8a3ced9ffa75fce5d1f69f2340d9f29d3853383b31175690ea147e176edb
[INFO] checking darkly-0.2.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate darkly 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate darkly 0.2.0 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate darkly 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate darkly 0.2.0
[INFO] tweaked toml for crates.io crate darkly 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35b2751adc092bc6c321e271a0d34b54f715b5281a94d893fcb2d2405d09f546
[INFO] running `Command { std: "docker" "start" "-a" "35b2751adc092bc6c321e271a0d34b54f715b5281a94d893fcb2d2405d09f546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35b2751adc092bc6c321e271a0d34b54f715b5281a94d893fcb2d2405d09f546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35b2751adc092bc6c321e271a0d34b54f715b5281a94d893fcb2d2405d09f546", kill_on_drop: false }`
[INFO] [stdout] 35b2751adc092bc6c321e271a0d34b54f715b5281a94d893fcb2d2405d09f546
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 868e3386f3f69c5e707e3b07723c059ec3ab5a0b0185ed847bcc1998dd7b3571
[INFO] running `Command { std: "docker" "start" "-a" "868e3386f3f69c5e707e3b07723c059ec3ab5a0b0185ed847bcc1998dd7b3571", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling darkly-macros v0.2.0
[INFO] [stderr]     Checking darkly v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/lib.rs:299:41
[INFO] [stdout]     |
[INFO] [stdout] 299 |         assert!(ss.scan_to(",").unwrap(): String == "Hello");
[INFO] [stdout]     |                                         ^ expected one of `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/lib.rs:302:35
[INFO] [stdout]     |
[INFO] [stdout] 302 |         assert!(ss.scan().unwrap(): String == "world!");
[INFO] [stdout]     |                                   ^ expected one of `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/lib.rs:308:41
[INFO] [stdout]     |
[INFO] [stdout] 308 |         assert!(ss.scan_to(":").unwrap(): String == "Hello");
[INFO] [stdout]     |                                         ^ expected one of `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/lib.rs:311:41
[INFO] [stdout]     |
[INFO] [stdout] 311 |         assert!(ss.scan_to("!").unwrap(): u32 == 42);
[INFO] [stdout]     |                                         ^ expected one of `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/lib.rs:317:49
[INFO] [stdout]     |
[INFO] [stdout] 317 |         assert!(ss.scan_to_whitespace().unwrap(): String == "Hello");
[INFO] [stdout]     |                                                 ^ expected one of `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/lib.rs:318:41
[INFO] [stdout]     |
[INFO] [stdout] 318 |         assert!(ss.scan_to("!").unwrap(): u32 == 42);
[INFO] [stdout]     |                                         ^ expected one of `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/lib.rs:320:49
[INFO] [stdout]     |
[INFO] [stdout] 320 |         assert!(ss.scan_to_whitespace().unwrap(): i32 == 0);
[INFO] [stdout]     |                                                 ^ expected one of `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate as darkly`
[INFO] [stdout]   --> src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use crate as darkly;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found `:`
[INFO] [stdout]    --> src/lib.rs:396:28
[INFO] [stdout]     |
[INFO] [stdout] 396 |         println!("{} {}", a: i32, b: i32);
[INFO] [stdout]     |                            ^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found `:`
[INFO] [stdout]   --> examples/main.rs:32:30
[INFO] [stdout]    |
[INFO] [stdout] 32 |     println!("{} {} {} {}", a: i32, b: i32, c: i32, d: i32);
[INFO] [stdout]    |                              ^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scanlns`
[INFO] [stdout]  --> examples/main.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 | use darkly::{scanln, scanlns};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `darkly` (example "main") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `darkly` (lib test) due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "868e3386f3f69c5e707e3b07723c059ec3ab5a0b0185ed847bcc1998dd7b3571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "868e3386f3f69c5e707e3b07723c059ec3ab5a0b0185ed847bcc1998dd7b3571", kill_on_drop: false }`
[INFO] [stdout] 868e3386f3f69c5e707e3b07723c059ec3ab5a0b0185ed847bcc1998dd7b3571
