[INFO] fetching crate forgiving-semver-parser 0.10.1...
[INFO] checking forgiving-semver-parser-0.10.1 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate forgiving-semver-parser 0.10.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate forgiving-semver-parser 0.10.1 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate forgiving-semver-parser 0.10.1
[INFO] finished tweaking crates.io crate forgiving-semver-parser 0.10.1
[INFO] tweaked toml for crates.io crate forgiving-semver-parser 0.10.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate forgiving-semver-parser 0.10.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 978009b2a2e9ff928d4a50a6e2d5e6a69c53411db3045435ef281ee1f643e9fb
[INFO] running `Command { std: "docker" "start" "-a" "978009b2a2e9ff928d4a50a6e2d5e6a69c53411db3045435ef281ee1f643e9fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "978009b2a2e9ff928d4a50a6e2d5e6a69c53411db3045435ef281ee1f643e9fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "978009b2a2e9ff928d4a50a6e2d5e6a69c53411db3045435ef281ee1f643e9fb", kill_on_drop: false }`
[INFO] [stdout] 978009b2a2e9ff928d4a50a6e2d5e6a69c53411db3045435ef281ee1f643e9fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f81a80737d45de68b82715d9088adf0aaaf5cacec5b92575d5d85c0f0c827019
[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" "f81a80737d45de68b82715d9088adf0aaaf5cacec5b92575d5d85c0f0c827019", kill_on_drop: false }`
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking pest_meta v2.1.3
[INFO] [stderr]     Checking forgiving-semver-parser v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pest_generator v2.1.3
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/version.rs:250:13
[INFO] [stdout]     |
[INFO] [stdout] 250 |             format!("'{}' incorrectly considered a valid parse", version)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/version.rs:262:13
[INFO] [stdout]     |
[INFO] [stdout] 262 |             format!("'{}' incorrectly considered a valid parse", version)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/version.rs:274:13
[INFO] [stdout]     |
[INFO] [stdout] 274 |             format!("'{}' incorrectly considered a valid parse", version)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.38s
[INFO] running `Command { std: "docker" "inspect" "f81a80737d45de68b82715d9088adf0aaaf5cacec5b92575d5d85c0f0c827019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f81a80737d45de68b82715d9088adf0aaaf5cacec5b92575d5d85c0f0c827019", kill_on_drop: false }`
[INFO] [stdout] f81a80737d45de68b82715d9088adf0aaaf5cacec5b92575d5d85c0f0c827019