[INFO] fetching crate abi_stable_derive 0.11.3...
[INFO] checking abi_stable_derive-0.11.3 against master#f4d794ea0b845413344621d89f6c945062748485 for pr-119369
[INFO] extracting crate abi_stable_derive 0.11.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate abi_stable_derive 0.11.3 on toolchain f4d794ea0b845413344621d89f6c945062748485
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f4d794ea0b845413344621d89f6c945062748485" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate abi_stable_derive 0.11.3
[INFO] finished tweaking crates.io crate abi_stable_derive 0.11.3
[INFO] tweaked toml for crates.io crate abi_stable_derive 0.11.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f4d794ea0b845413344621d89f6c945062748485" "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" "+f4d794ea0b845413344621d89f6c945062748485" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded abi_stable_shared v0.11.0
[INFO] [stderr]   Downloaded as_derive_utils v0.11.0
[INFO] [stderr]   Downloaded semver v1.0.20
[INFO] [stderr]   Downloaded typed-arena v2.0.2
[INFO] [stderr]   Downloaded ron v0.7.1
[INFO] [stderr]   Downloaded core_extensions v1.5.3
[INFO] [stderr]   Downloaded aho-corasick v0.7.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+f4d794ea0b845413344621d89f6c945062748485" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 766f558e8d2606c085d63cea5325b01ff7514f4b9a82fbac0941299cee0a2817
[INFO] running `Command { std: "docker" "start" "-a" "766f558e8d2606c085d63cea5325b01ff7514f4b9a82fbac0941299cee0a2817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "766f558e8d2606c085d63cea5325b01ff7514f4b9a82fbac0941299cee0a2817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "766f558e8d2606c085d63cea5325b01ff7514f4b9a82fbac0941299cee0a2817", kill_on_drop: false }`
[INFO] [stdout] 766f558e8d2606c085d63cea5325b01ff7514f4b9a82fbac0941299cee0a2817
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+f4d794ea0b845413344621d89f6c945062748485" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf7d23635711b5695375387656f21e93772d64194badfa3748fcfda29221a3ba
[INFO] running `Command { std: "docker" "start" "-a" "bf7d23635711b5695375387656f21e93772d64194badfa3748fcfda29221a3ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking core_extensions v1.5.3
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]     Checking abi_stable_shared v0.11.0
[INFO] [stderr]     Checking quote v1.0.33
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling syn v2.0.43
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking ron v0.7.1
[INFO] [stderr]     Checking as_derive_utils v0.11.0
[INFO] [stderr]     Checking abi_stable_derive v0.11.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sabi_trait/lifetime_unelider.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |         mut ty: Type,
[INFO] [stdout]     |         ----^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sabi_trait/lifetime_unelider.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let mut this = LifetimeUnelider::new(&mut self_lifetime);
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.47s
[INFO] running `Command { std: "docker" "inspect" "bf7d23635711b5695375387656f21e93772d64194badfa3748fcfda29221a3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf7d23635711b5695375387656f21e93772d64194badfa3748fcfda29221a3ba", kill_on_drop: false }`
[INFO] [stdout] bf7d23635711b5695375387656f21e93772d64194badfa3748fcfda29221a3ba
[ERROR] this task or one of its parent failed!
[ERROR] error sending request for url (https://crater.rust-lang.org/agent-api/record-progress): connection closed before message completed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking abi_stable_derive-0.11.3 against try#3832a95f57d4260fb5641e183906f49b4e5c6bdd for pr-119369
[INFO] extracting crate abi_stable_derive 0.11.3 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate abi_stable_derive 0.11.3 on toolchain 3832a95f57d4260fb5641e183906f49b4e5c6bdd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3832a95f57d4260fb5641e183906f49b4e5c6bdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate abi_stable_derive 0.11.3
[INFO] finished tweaking crates.io crate abi_stable_derive 0.11.3
[INFO] tweaked toml for crates.io crate abi_stable_derive 0.11.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3832a95f57d4260fb5641e183906f49b4e5c6bdd" "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" "+3832a95f57d4260fb5641e183906f49b4e5c6bdd" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3832a95f57d4260fb5641e183906f49b4e5c6bdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af5328d3a5afa8ed37187a6549ba0b8026fdf0441cc0b61ba84a17e160f3b411
[INFO] running `Command { std: "docker" "start" "-a" "af5328d3a5afa8ed37187a6549ba0b8026fdf0441cc0b61ba84a17e160f3b411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af5328d3a5afa8ed37187a6549ba0b8026fdf0441cc0b61ba84a17e160f3b411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af5328d3a5afa8ed37187a6549ba0b8026fdf0441cc0b61ba84a17e160f3b411", kill_on_drop: false }`
[INFO] [stdout] af5328d3a5afa8ed37187a6549ba0b8026fdf0441cc0b61ba84a17e160f3b411
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3832a95f57d4260fb5641e183906f49b4e5c6bdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4cc76c98f83690f1f17e4b2459bafd424264c1838f765f7f56c5a17a68e228f
[INFO] running `Command { std: "docker" "start" "-a" "a4cc76c98f83690f1f17e4b2459bafd424264c1838f765f7f56c5a17a68e228f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking core_extensions v1.5.3
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]     Checking abi_stable_shared v0.11.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling syn v2.0.43
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking ron v0.7.1
[INFO] [stderr]     Checking as_derive_utils v0.11.0
[INFO] [stderr]     Checking abi_stable_derive v0.11.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sabi_trait/lifetime_unelider.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |         mut ty: Type,
[INFO] [stdout]     |         ----^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sabi_trait/lifetime_unelider.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let mut this = LifetimeUnelider::new(&mut self_lifetime);
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.62s
[INFO] running `Command { std: "docker" "inspect" "a4cc76c98f83690f1f17e4b2459bafd424264c1838f765f7f56c5a17a68e228f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4cc76c98f83690f1f17e4b2459bafd424264c1838f765f7f56c5a17a68e228f", kill_on_drop: false }`
[INFO] [stdout] a4cc76c98f83690f1f17e4b2459bafd424264c1838f765f7f56c5a17a68e228f