[INFO] fetching crate theban_interval_tree 0.7.1...
[INFO] checking theban_interval_tree-0.7.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate theban_interval_tree 0.7.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate theban_interval_tree 0.7.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate theban_interval_tree 0.7.1
[INFO] finished tweaking crates.io crate theban_interval_tree 0.7.1
[INFO] tweaked toml for crates.io crate theban_interval_tree 0.7.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages
[INFO] [stderr]       Adding rand v0.3.23 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.34)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memrange v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 461f185c6edb633d64c079185214ca312969e7f6f1b22f8bacd00d5ee721650e
[INFO] running `Command { std: "docker" "start" "-a" "461f185c6edb633d64c079185214ca312969e7f6f1b22f8bacd00d5ee721650e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "461f185c6edb633d64c079185214ca312969e7f6f1b22f8bacd00d5ee721650e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "461f185c6edb633d64c079185214ca312969e7f6f1b22f8bacd00d5ee721650e", kill_on_drop: false }`
[INFO] [stdout] 461f185c6edb633d64c079185214ca312969e7f6f1b22f8bacd00d5ee721650e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2668a5a314e23672442dbeae11e96bd2bca6e1599f8c9ed41b81da63c846131
[INFO] running `Command { std: "docker" "start" "-a" "d2668a5a314e23672442dbeae11e96bd2bca6e1599f8c9ed41b81da63c846131", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking memrange v0.1.3
[INFO] [stderr]     Checking theban_interval_tree v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `memrange` is imported redundantly
[INFO] [stdout]    --> src/tree.rs:224:10
[INFO] [stdout]     |
[INFO] [stdout] 224 |     use {memrange, rand};
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:2:1
[INFO] [stdout]     |
[INFO] [stdout] 2   | extern crate memrange;
[INFO] [stdout]     | ---------------------- the item `memrange` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]    --> src/tree.rs:224:20
[INFO] [stdout]     |
[INFO] [stdout] 224 |     use {memrange, rand};
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | extern crate rand;
[INFO] [stdout]     | ------------------ the item `rand` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.81s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: memrange v0.1.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "d2668a5a314e23672442dbeae11e96bd2bca6e1599f8c9ed41b81da63c846131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2668a5a314e23672442dbeae11e96bd2bca6e1599f8c9ed41b81da63c846131", kill_on_drop: false }`
[INFO] [stdout] d2668a5a314e23672442dbeae11e96bd2bca6e1599f8c9ed41b81da63c846131
[INFO] checking theban_interval_tree-0.7.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate theban_interval_tree 0.7.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate theban_interval_tree 0.7.1 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate theban_interval_tree 0.7.1
[INFO] finished tweaking crates.io crate theban_interval_tree 0.7.1
[INFO] tweaked toml for crates.io crate theban_interval_tree 0.7.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages
[INFO] [stderr]       Adding rand v0.3.23 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.34)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18bcf2c2007387a45b431dfa369b26fcd8b025a3ef68a51b052688d0c2074315
[INFO] running `Command { std: "docker" "start" "-a" "18bcf2c2007387a45b431dfa369b26fcd8b025a3ef68a51b052688d0c2074315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18bcf2c2007387a45b431dfa369b26fcd8b025a3ef68a51b052688d0c2074315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18bcf2c2007387a45b431dfa369b26fcd8b025a3ef68a51b052688d0c2074315", kill_on_drop: false }`
[INFO] [stdout] 18bcf2c2007387a45b431dfa369b26fcd8b025a3ef68a51b052688d0c2074315
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 353901be8346623c3a365e7ca4dac61f07222a4796c587e3165b6f99878c4593
[INFO] running `Command { std: "docker" "start" "-a" "353901be8346623c3a365e7ca4dac61f07222a4796c587e3165b6f99878c4593", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking memrange v0.1.3
[INFO] [stderr]     Checking theban_interval_tree v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `memrange` is imported redundantly
[INFO] [stdout]    --> src/tree.rs:224:10
[INFO] [stdout]     |
[INFO] [stdout] 224 |     use {memrange, rand};
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:2:1
[INFO] [stdout]     |
[INFO] [stdout] 2   | extern crate memrange;
[INFO] [stdout]     | ---------------------- the item `memrange` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]    --> src/tree.rs:224:20
[INFO] [stdout]     |
[INFO] [stdout] 224 |     use {memrange, rand};
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | extern crate rand;
[INFO] [stdout]     | ------------------ the item `rand` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.86s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: memrange v0.1.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "353901be8346623c3a365e7ca4dac61f07222a4796c587e3165b6f99878c4593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "353901be8346623c3a365e7ca4dac61f07222a4796c587e3165b6f99878c4593", kill_on_drop: false }`
[INFO] [stdout] 353901be8346623c3a365e7ca4dac61f07222a4796c587e3165b6f99878c4593