[INFO] fetching crate mycelium_experimental 0.1.0...
[INFO] checking mycelium_experimental-0.1.0 against master#bbcc1691a4646a6d2ebb2189bdff5b878407fbe6 for pr-117351
[INFO] extracting crate mycelium_experimental 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mycelium_experimental 0.1.0 on toolchain bbcc1691a4646a6d2ebb2189bdff5b878407fbe6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbcc1691a4646a6d2ebb2189bdff5b878407fbe6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mycelium_experimental 0.1.0
[INFO] finished tweaking crates.io crate mycelium_experimental 0.1.0
[INFO] tweaked toml for crates.io crate mycelium_experimental 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbcc1691a4646a6d2ebb2189bdff5b878407fbe6" "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" "+bbcc1691a4646a6d2ebb2189bdff5b878407fbe6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+bbcc1691a4646a6d2ebb2189bdff5b878407fbe6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28e87262765d80d9e55e4b0923b65183df6dcd219e22e611ef8750d846987c65
[INFO] running `Command { std: "docker" "start" "-a" "28e87262765d80d9e55e4b0923b65183df6dcd219e22e611ef8750d846987c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28e87262765d80d9e55e4b0923b65183df6dcd219e22e611ef8750d846987c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28e87262765d80d9e55e4b0923b65183df6dcd219e22e611ef8750d846987c65", kill_on_drop: false }`
[INFO] [stdout] 28e87262765d80d9e55e4b0923b65183df6dcd219e22e611ef8750d846987c65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+bbcc1691a4646a6d2ebb2189bdff5b878407fbe6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e470b7d73521a77edbb5c72c2bf3e8f1f7d6501a24b91f3b541a9d2231aa8dd
[INFO] running `Command { std: "docker" "start" "-a" "7e470b7d73521a77edbb5c72c2bf3e8f1f7d6501a24b91f3b541a9d2231aa8dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking mycelium_experimental v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.25s
[INFO] running `Command { std: "docker" "inspect" "7e470b7d73521a77edbb5c72c2bf3e8f1f7d6501a24b91f3b541a9d2231aa8dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e470b7d73521a77edbb5c72c2bf3e8f1f7d6501a24b91f3b541a9d2231aa8dd", kill_on_drop: false }`
[INFO] [stdout] 7e470b7d73521a77edbb5c72c2bf3e8f1f7d6501a24b91f3b541a9d2231aa8dd
[INFO] checking mycelium_experimental-0.1.0 against try#ac89e27721b9b4d1482ebc87f2f83b4e23d49d71 for pr-117351
[INFO] extracting crate mycelium_experimental 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate mycelium_experimental 0.1.0 on toolchain ac89e27721b9b4d1482ebc87f2f83b4e23d49d71
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac89e27721b9b4d1482ebc87f2f83b4e23d49d71" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mycelium_experimental 0.1.0
[INFO] finished tweaking crates.io crate mycelium_experimental 0.1.0
[INFO] tweaked toml for crates.io crate mycelium_experimental 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac89e27721b9b4d1482ebc87f2f83b4e23d49d71" "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" "+ac89e27721b9b4d1482ebc87f2f83b4e23d49d71" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+ac89e27721b9b4d1482ebc87f2f83b4e23d49d71" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb663ceb3bd5269a446e30bb0f9f7ab6678ec18ff3134c1cce4a953c04497e08
[INFO] running `Command { std: "docker" "start" "-a" "eb663ceb3bd5269a446e30bb0f9f7ab6678ec18ff3134c1cce4a953c04497e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb663ceb3bd5269a446e30bb0f9f7ab6678ec18ff3134c1cce4a953c04497e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb663ceb3bd5269a446e30bb0f9f7ab6678ec18ff3134c1cce4a953c04497e08", kill_on_drop: false }`
[INFO] [stdout] eb663ceb3bd5269a446e30bb0f9f7ab6678ec18ff3134c1cce4a953c04497e08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+ac89e27721b9b4d1482ebc87f2f83b4e23d49d71" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60306f8472aa0378cd96670dab006304a7e7d68d77d79d784271106d40955ece
[INFO] running `Command { std: "docker" "start" "-a" "60306f8472aa0378cd96670dab006304a7e7d68d77d79d784271106d40955ece", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking mycelium_experimental v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the size for values of type `Q` cannot be known at compilation time
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1743:26
[INFO] [stdout]      |
[INFO] [stdout] 1732 | pub struct Range<'a: 'g, 'g, Q, R, K: 'a, V: 'a>
[INFO] [stdout]      |                              - this type parameter needs to be `Sized`
[INFO] [stdout] ...
[INFO] [stdout] 1743 |     _marker: PhantomData<fn() -> Q>, // covariant over `Q`
[INFO] [stdout]      |                          ^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]      |
[INFO] [stdout]      = note: the return type of a function must have a statically known size
[INFO] [stdout] help: consider removing the `?Sized` bound to make the type parameter `Sized`
[INFO] [stdout]      |
[INFO] [stdout] 1736 -     Q: Ord + ?Sized,
[INFO] [stdout] 1736 +     Q: Ord,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Q` cannot be known at compilation time
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1841:26
[INFO] [stdout]      |
[INFO] [stdout] 1831 | pub struct RefRange<'a, Q, R, K: 'a, V: 'a>
[INFO] [stdout]      |                         - this type parameter needs to be `Sized`
[INFO] [stdout] ...
[INFO] [stdout] 1841 |     _marker: PhantomData<fn() -> Q>, // covariant over `Q`
[INFO] [stdout]      |                          ^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]      |
[INFO] [stdout]      = note: the return type of a function must have a statically known size
[INFO] [stdout] help: consider removing the `?Sized` bound to make the type parameter `Sized`
[INFO] [stdout]      |
[INFO] [stdout] 1835 -     Q: Ord + ?Sized,
[INFO] [stdout] 1835 +     Q: Ord,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mycelium_experimental` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "60306f8472aa0378cd96670dab006304a7e7d68d77d79d784271106d40955ece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60306f8472aa0378cd96670dab006304a7e7d68d77d79d784271106d40955ece", kill_on_drop: false }`
[INFO] [stdout] 60306f8472aa0378cd96670dab006304a7e7d68d77d79d784271106d40955ece