[INFO] fetching crate darkly 0.2.0...
[INFO] checking darkly-0.2.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate darkly 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate darkly 0.2.0 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.84)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.36)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.66)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3f088522150c1d11f9420b0c7457eb3a3824905096c9ff565c29d6492c92471
[INFO] running `Command { std: "docker" "start" "-a" "c3f088522150c1d11f9420b0c7457eb3a3824905096c9ff565c29d6492c92471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3f088522150c1d11f9420b0c7457eb3a3824905096c9ff565c29d6492c92471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3f088522150c1d11f9420b0c7457eb3a3824905096c9ff565c29d6492c92471", kill_on_drop: false }`
[INFO] [stdout] c3f088522150c1d11f9420b0c7457eb3a3824905096c9ff565c29d6492c92471
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e34cc80e47e825b176e202cac06ad9d2b14a66df8884a49bc72f702649e4d02e
[INFO] running `Command { std: "docker" "start" "-a" "e34cc80e47e825b176e202cac06ad9d2b14a66df8884a49bc72f702649e4d02e", kill_on_drop: false }`
[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] 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] error: aborting due to 8 previous errors
[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] [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: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `darkly` (example "main") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e34cc80e47e825b176e202cac06ad9d2b14a66df8884a49bc72f702649e4d02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e34cc80e47e825b176e202cac06ad9d2b14a66df8884a49bc72f702649e4d02e", kill_on_drop: false }`
[INFO] [stdout] e34cc80e47e825b176e202cac06ad9d2b14a66df8884a49bc72f702649e4d02e
[INFO] checking darkly-0.2.0 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate darkly 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate darkly 0.2.0 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "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-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.84)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.36)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.66)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1644fe91cfa97e02bc6215122df0a3780197672486f6a947447e30f6a287eaff
[INFO] running `Command { std: "docker" "start" "-a" "1644fe91cfa97e02bc6215122df0a3780197672486f6a947447e30f6a287eaff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1644fe91cfa97e02bc6215122df0a3780197672486f6a947447e30f6a287eaff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1644fe91cfa97e02bc6215122df0a3780197672486f6a947447e30f6a287eaff", kill_on_drop: false }`
[INFO] [stdout] 1644fe91cfa97e02bc6215122df0a3780197672486f6a947447e30f6a287eaff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f12c246cf226b33445ba73a4d34aa39f858d712c8583c4b279146d261c22bcd7
[INFO] running `Command { std: "docker" "start" "-a" "f12c246cf226b33445ba73a4d34aa39f858d712c8583c4b279146d261c22bcd7", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "f12c246cf226b33445ba73a4d34aa39f858d712c8583c4b279146d261c22bcd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f12c246cf226b33445ba73a4d34aa39f858d712c8583c4b279146d261c22bcd7", kill_on_drop: false }`
[INFO] [stdout] f12c246cf226b33445ba73a4d34aa39f858d712c8583c4b279146d261c22bcd7