[INFO] fetching crate itsdangerous 0.4.1...
[INFO] checking itsdangerous-0.4.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate itsdangerous 0.4.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate itsdangerous 0.4.1 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate itsdangerous 0.4.1
[INFO] finished tweaking crates.io crate itsdangerous 0.4.1
[INFO] tweaked toml for crates.io crate itsdangerous 0.4.1 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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 24 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.10.1 (available: v0.22.1)
[INFO] [stderr]       Adding block-buffer v0.7.3 (available: v0.10.4)
[INFO] [stderr]       Adding block-padding v0.1.5 (available: v0.3.3)
[INFO] [stderr]       Adding crypto-mac v0.7.0 (available: v0.11.1)
[INFO] [stderr]       Adding digest v0.8.1 (available: v0.10.7)
[INFO] [stderr]       Adding generic-array v0.12.4 (available: v1.1.0)
[INFO] [stderr]       Adding hmac v0.7.1 (available: v0.12.1)
[INFO] [stderr]       Adding opaque-debug v0.2.3 (available: v0.3.1)
[INFO] [stderr]       Adding sha-1 v0.8.2 (available: v0.10.1)
[INFO] [stderr]       Adding subtle v1.0.0 (available: v2.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a54f660ff4b83c1479c5fd4cc0ed3b1c6faaedafbd019fc8de4c62b4003475e6
[INFO] running `Command { std: "docker" "start" "-a" "a54f660ff4b83c1479c5fd4cc0ed3b1c6faaedafbd019fc8de4c62b4003475e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a54f660ff4b83c1479c5fd4cc0ed3b1c6faaedafbd019fc8de4c62b4003475e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a54f660ff4b83c1479c5fd4cc0ed3b1c6faaedafbd019fc8de4c62b4003475e6", kill_on_drop: false }`
[INFO] [stdout] a54f660ff4b83c1479c5fd4cc0ed3b1c6faaedafbd019fc8de4c62b4003475e6
[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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e4c552ba2c2f32c6eeef69c386b7d58a5dc2c68eb1b2e32e6d81cfc050596f8
[INFO] running `Command { std: "docker" "start" "-a" "2e4c552ba2c2f32c6eeef69c386b7d58a5dc2c68eb1b2e32e6d81cfc050596f8", kill_on_drop: false }`
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking itsdangerous v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/timed.rs:86:55
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn unsign<'a>(&'a self, value: &'a str) -> Result<UnsignedValue, BadTimedSignature<'a>> {
[INFO] [stdout]    |               -- lifetime `'a` declared here          ^^^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/traits.rs:113:55
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn unsign<'a>(&'a self, value: &'a str) -> Result<UnsignedValue, BadTimedSignature<'a>>;
[INFO] [stdout]     |               -- lifetime `'a` declared here          ^^^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/timed.rs:86:55
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn unsign<'a>(&'a self, value: &'a str) -> Result<UnsignedValue, BadTimedSignature<'a>> {
[INFO] [stdout]    |               -- lifetime `'a` declared here          ^^^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/traits.rs:113:55
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn unsign<'a>(&'a self, value: &'a str) -> Result<UnsignedValue, BadTimedSignature<'a>>;
[INFO] [stdout]     |               -- lifetime `'a` declared here          ^^^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "2e4c552ba2c2f32c6eeef69c386b7d58a5dc2c68eb1b2e32e6d81cfc050596f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e4c552ba2c2f32c6eeef69c386b7d58a5dc2c68eb1b2e32e6d81cfc050596f8", kill_on_drop: false }`
[INFO] [stdout] 2e4c552ba2c2f32c6eeef69c386b7d58a5dc2c68eb1b2e32e6d81cfc050596f8