[INFO] fetching crate simple-semver 0.1.0...
[INFO] checking simple-semver-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate simple-semver 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate simple-semver 0.1.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple-semver 0.1.0
[INFO] finished tweaking crates.io crate simple-semver 0.1.0
[INFO] tweaked toml for crates.io crate simple-semver 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d750963f6ecc094be8c97b21ecea33ce6fd6507e2f419ac53eb0346160ca0e45
[INFO] running `Command { std: "docker" "start" "-a" "d750963f6ecc094be8c97b21ecea33ce6fd6507e2f419ac53eb0346160ca0e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d750963f6ecc094be8c97b21ecea33ce6fd6507e2f419ac53eb0346160ca0e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d750963f6ecc094be8c97b21ecea33ce6fd6507e2f419ac53eb0346160ca0e45", kill_on_drop: false }`
[INFO] [stdout] d750963f6ecc094be8c97b21ecea33ce6fd6507e2f419ac53eb0346160ca0e45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d08bf29bc749b788871fe554688f185be4accf6e1e0d75ff9e39f94b1062cb5
[INFO] running `Command { std: "docker" "start" "-a" "6d08bf29bc749b788871fe554688f185be4accf6e1e0d75ff9e39f94b1062cb5", kill_on_drop: false }`
[INFO] [stderr]     Checking simple-semver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "6d08bf29bc749b788871fe554688f185be4accf6e1e0d75ff9e39f94b1062cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d08bf29bc749b788871fe554688f185be4accf6e1e0d75ff9e39f94b1062cb5", kill_on_drop: false }`
[INFO] [stdout] 6d08bf29bc749b788871fe554688f185be4accf6e1e0d75ff9e39f94b1062cb5
[INFO] checking simple-semver-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate simple-semver 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate simple-semver 0.1.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple-semver 0.1.0
[INFO] finished tweaking crates.io crate simple-semver 0.1.0
[INFO] tweaked toml for crates.io crate simple-semver 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ab2a2803e5d469c6316bfbccbdda715e277d3b1a3e1d7d8e42dbd69928cd23e
[INFO] running `Command { std: "docker" "start" "-a" "1ab2a2803e5d469c6316bfbccbdda715e277d3b1a3e1d7d8e42dbd69928cd23e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ab2a2803e5d469c6316bfbccbdda715e277d3b1a3e1d7d8e42dbd69928cd23e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ab2a2803e5d469c6316bfbccbdda715e277d3b1a3e1d7d8e42dbd69928cd23e", kill_on_drop: false }`
[INFO] [stdout] 1ab2a2803e5d469c6316bfbccbdda715e277d3b1a3e1d7d8e42dbd69928cd23e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3138e9c9f78dea3ae60f9e5223ba08b0f22bfe361fd0471baf933c4b75c23a5b
[INFO] running `Command { std: "docker" "start" "-a" "3138e9c9f78dea3ae60f9e5223ba08b0f22bfe361fd0471baf933c4b75c23a5b", kill_on_drop: false }`
[INFO] [stderr]     Checking simple-semver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/semver.rs:45:9
[INFO] [stdout]     |
[INFO] [stdout] 45  | /         match matches {
[INFO] [stdout] 46  | |             Some(result) => {
[INFO] [stdout] 47  | |                 let major_res = result.get(1);
[INFO] [stdout] 48  | |                 let minor_res = result.get(2);
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | |             None => return Err(ParseError::InvalidSemver),
[INFO] [stdout] 119 | |         };
[INFO] [stdout]     | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/semver.rs:45:9
[INFO] [stdout]     |
[INFO] [stdout] 45  | /         match matches {
[INFO] [stdout] 46  | |             Some(result) => {
[INFO] [stdout] 47  | |                 let major_res = result.get(1);
[INFO] [stdout] 48  | |                 let minor_res = result.get(2);
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | |             None => return Err(ParseError::InvalidSemver),
[INFO] [stdout] 119 | |         };
[INFO] [stdout]     | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple-semver` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `simple-semver` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3138e9c9f78dea3ae60f9e5223ba08b0f22bfe361fd0471baf933c4b75c23a5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3138e9c9f78dea3ae60f9e5223ba08b0f22bfe361fd0471baf933c4b75c23a5b", kill_on_drop: false }`
[INFO] [stdout] 3138e9c9f78dea3ae60f9e5223ba08b0f22bfe361fd0471baf933c4b75c23a5b