[INFO] fetching crate storaget 0.8.1...
[INFO] checking storaget-0.8.1 against master#035b01b794602d5861daa43ac792f372f8981ed7 for 152214-denied
[INFO] extracting crate storaget 0.8.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate storaget 0.8.1
[INFO] finished tweaking crates.io crate storaget 0.8.1
[INFO] tweaked toml for crates.io crate storaget 0.8.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate storaget 0.8.1 on toolchain 035b01b794602d5861daa43ac792f372f8981ed7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "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" "+035b01b794602d5861daa43ac792f372f8981ed7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.0)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded linked-hash-map v0.5.6
[INFO] [stderr]   Downloaded serde_yaml v0.8.26
[INFO] [stderr]   Downloaded yaml-rust v0.4.5
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6df53fe4f703117027970db74f2b5f67d72255ffe9f87c219a68a84457f1dacd
[INFO] running `Command { std: "docker" "start" "-a" "6df53fe4f703117027970db74f2b5f67d72255ffe9f87c219a68a84457f1dacd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6df53fe4f703117027970db74f2b5f67d72255ffe9f87c219a68a84457f1dacd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df53fe4f703117027970db74f2b5f67d72255ffe9f87c219a68a84457f1dacd", kill_on_drop: false }`
[INFO] [stdout] 6df53fe4f703117027970db74f2b5f67d72255ffe9f87c219a68a84457f1dacd
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50ed700db25e095fe24277a014593d09e1a1df1e88cbbf6b2ff65911cde3822b
[INFO] running `Command { std: "docker" "start" "-a" "50ed700db25e095fe24277a014593d09e1a1df1e88cbbf6b2ff65911cde3822b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.23
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking ryu v1.0.23
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking storaget v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> tests/pack_test.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     &mut meaning_of_life.update(|i| *i = 42);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let _ = &mut meaning_of_life.update(|i| *i = 42);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.91s
[INFO] running `Command { std: "docker" "inspect" "50ed700db25e095fe24277a014593d09e1a1df1e88cbbf6b2ff65911cde3822b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50ed700db25e095fe24277a014593d09e1a1df1e88cbbf6b2ff65911cde3822b", kill_on_drop: false }`
[INFO] [stdout] 50ed700db25e095fe24277a014593d09e1a1df1e88cbbf6b2ff65911cde3822b