[INFO] fetching crate edict 1.0.0-rc6...
[INFO] checking edict-1.0.0-rc6 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate edict 1.0.0-rc6 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate edict 1.0.0-rc6 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate edict 1.0.0-rc6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate edict 1.0.0-rc6
[INFO] tweaked toml for crates.io crate edict 1.0.0-rc6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate edict 1.0.0-rc6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atomicell v0.2.0
[INFO] [stderr]   Downloaded nanoserde v0.1.37
[INFO] [stderr]   Downloaded amity v0.2.1
[INFO] [stderr]   Downloaded proc-easy v0.3.0
[INFO] [stderr]   Downloaded alkahest v0.3.0
[INFO] [stderr]   Downloaded alkahest-proc v0.3.0
[INFO] [stderr]   Downloaded nanoserde-derive v0.1.22
[INFO] [stderr]   Downloaded edict-proc-lib v1.0.0-rc6
[INFO] [stderr]   Downloaded edict-proc v1.0.0-rc6
[INFO] [stderr]   Downloaded tiny-fn v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24d2761f83f9caa182f2d2bcd377d55be7db752c60a4cd417b425d5f2bcb99d9
[INFO] running `Command { std: "docker" "start" "-a" "24d2761f83f9caa182f2d2bcd377d55be7db752c60a4cd417b425d5f2bcb99d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24d2761f83f9caa182f2d2bcd377d55be7db752c60a4cd417b425d5f2bcb99d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24d2761f83f9caa182f2d2bcd377d55be7db752c60a4cd417b425d5f2bcb99d9", kill_on_drop: false }`
[INFO] [stdout] 24d2761f83f9caa182f2d2bcd377d55be7db752c60a4cd417b425d5f2bcb99d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47eef77b77f5d3dd003a491743547cd92e2df9e86c64a880e8e60a826bd6efbb
[INFO] running `Command { std: "docker" "start" "-a" "47eef77b77f5d3dd003a491743547cd92e2df9e86c64a880e8e60a826bd6efbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking tiny-fn v0.1.6
[INFO] [stderr]     Checking atomicell v0.2.0
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking amity v0.2.1
[INFO] [stderr]    Compiling syn v2.0.70
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling proc-easy v0.3.0
[INFO] [stderr]    Compiling edict-proc-lib v1.0.0-rc6
[INFO] [stderr]    Compiling edict-proc v1.0.0-rc6
[INFO] [stderr]    Compiling alkahest-proc v0.3.0
[INFO] [stderr]     Checking edict v1.0.0-rc6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/flow/futures.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |             Ok(never) => match never {},
[INFO] [stdout]     |             ^^^^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/flow/futures.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |             Ok(never) => match never {},
[INFO] [stdout]     |             ^^^^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.41s
[INFO] running `Command { std: "docker" "inspect" "47eef77b77f5d3dd003a491743547cd92e2df9e86c64a880e8e60a826bd6efbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47eef77b77f5d3dd003a491743547cd92e2df9e86c64a880e8e60a826bd6efbb", kill_on_drop: false }`
[INFO] [stdout] 47eef77b77f5d3dd003a491743547cd92e2df9e86c64a880e8e60a826bd6efbb
[INFO] checking edict-1.0.0-rc6 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate edict 1.0.0-rc6 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate edict 1.0.0-rc6 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate edict 1.0.0-rc6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate edict 1.0.0-rc6
[INFO] tweaked toml for crates.io crate edict 1.0.0-rc6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate edict 1.0.0-rc6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4549ea2dddb3039ba338d6fbf17710a59307c72186e12e62ca23bc87871af77
[INFO] running `Command { std: "docker" "start" "-a" "b4549ea2dddb3039ba338d6fbf17710a59307c72186e12e62ca23bc87871af77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4549ea2dddb3039ba338d6fbf17710a59307c72186e12e62ca23bc87871af77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4549ea2dddb3039ba338d6fbf17710a59307c72186e12e62ca23bc87871af77", kill_on_drop: false }`
[INFO] [stdout] b4549ea2dddb3039ba338d6fbf17710a59307c72186e12e62ca23bc87871af77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9a288ce526a853ff583df24753f753334183d6e306e295e8cf36d628069c44d
[INFO] running `Command { std: "docker" "start" "-a" "c9a288ce526a853ff583df24753f753334183d6e306e295e8cf36d628069c44d", kill_on_drop: false }`
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking tiny-fn v0.1.6
[INFO] [stderr]     Checking atomicell v0.2.0
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking amity v0.2.1
[INFO] [stderr]    Compiling syn v2.0.70
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling proc-easy v0.3.0
[INFO] [stderr]    Compiling edict-proc-lib v1.0.0-rc6
[INFO] [stderr]    Compiling alkahest-proc v0.3.0
[INFO] [stderr]    Compiling edict-proc v1.0.0-rc6
[INFO] [stderr]     Checking edict v1.0.0-rc6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/flow/futures.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |             Ok(never) => match never {},
[INFO] [stdout]     |             ^^^^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/flow/futures.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |             Ok(never) => match never {},
[INFO] [stdout]     |             ^^^^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.95s
[INFO] running `Command { std: "docker" "inspect" "c9a288ce526a853ff583df24753f753334183d6e306e295e8cf36d628069c44d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9a288ce526a853ff583df24753f753334183d6e306e295e8cf36d628069c44d", kill_on_drop: false }`
[INFO] [stdout] c9a288ce526a853ff583df24753f753334183d6e306e295e8cf36d628069c44d