[INFO] fetching crate morsels_common 0.7.3...
[INFO] checking morsels_common-0.7.3 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate morsels_common 0.7.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate morsels_common 0.7.3
[INFO] finished tweaking crates.io crate morsels_common 0.7.3
[INFO] tweaked toml for crates.io crate morsels_common 0.7.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate morsels_common 0.7.3 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding pretty_assertions v0.7.2 (available: v1.4.1)
[INFO] [stderr]       Adding smartstring v0.2.10 (available: v1.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c56439a80d9ece42b557a5d309276966d077c030f2ba93c110ff491a503d089c
[INFO] running `Command { std: "docker" "start" "-a" "c56439a80d9ece42b557a5d309276966d077c030f2ba93c110ff491a503d089c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c56439a80d9ece42b557a5d309276966d077c030f2ba93c110ff491a503d089c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56439a80d9ece42b557a5d309276966d077c030f2ba93c110ff491a503d089c", kill_on_drop: false }`
[INFO] [stdout] c56439a80d9ece42b557a5d309276966d077c030f2ba93c110ff491a503d089c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1385445a07a889fc9600998b66f8f0a1d72ae94ddc0d2d665d0c71cef997539
[INFO] running `Command { std: "docker" "start" "-a" "d1385445a07a889fc9600998b66f8f0a1d72ae94ddc0d2d665d0c71cef997539", kill_on_drop: false }`
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking smartstring v0.2.10
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stderr]     Checking morsels_common v0.7.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/packed_var_int.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 |         slice: &[u8],
[INFO] [stdout]    |                ^^^^^ this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 22 |     ) -> PackedVarIntReader<NUM_TYPES> {
[INFO] [stdout]    |          ----------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 22 |     ) -> PackedVarIntReader<'_, NUM_TYPES> {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/packed_var_int.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 |         slice: &[u8],
[INFO] [stdout]    |                ^^^^^ this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 22 |     ) -> PackedVarIntReader<NUM_TYPES> {
[INFO] [stdout]    |          ----------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 22 |     ) -> PackedVarIntReader<'_, NUM_TYPES> {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "d1385445a07a889fc9600998b66f8f0a1d72ae94ddc0d2d665d0c71cef997539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1385445a07a889fc9600998b66f8f0a1d72ae94ddc0d2d665d0c71cef997539", kill_on_drop: false }`
[INFO] [stdout] d1385445a07a889fc9600998b66f8f0a1d72ae94ddc0d2d665d0c71cef997539