[INFO] fetching crate dtab 0.0.2...
[INFO] testing dtab-0.0.2 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate dtab 0.0.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate dtab 0.0.2 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dtab 0.0.2
[INFO] finished tweaking crates.io crate dtab 0.0.2
[INFO] tweaked toml for crates.io crate dtab 0.0.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf6364a481ab35c09a881999aebb11f9e361faa1e69c8d818f1672694cd492a1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cf6364a481ab35c09a881999aebb11f9e361faa1e69c8d818f1672694cd492a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf6364a481ab35c09a881999aebb11f9e361faa1e69c8d818f1672694cd492a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf6364a481ab35c09a881999aebb11f9e361faa1e69c8d818f1672694cd492a1", kill_on_drop: false }`
[INFO] [stdout] cf6364a481ab35c09a881999aebb11f9e361faa1e69c8d818f1672694cd492a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b34dc6df15ef962d5246a5d3e5f4158327177e8bdc379a3b56e120e3403655b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1b34dc6df15ef962d5246a5d3e5f4158327177e8bdc379a3b56e120e3403655b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling dtab v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.12s
[INFO] running `Command { std: "docker" "inspect" "1b34dc6df15ef962d5246a5d3e5f4158327177e8bdc379a3b56e120e3403655b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b34dc6df15ef962d5246a5d3e5f4158327177e8bdc379a3b56e120e3403655b", kill_on_drop: false }`
[INFO] [stdout] 1b34dc6df15ef962d5246a5d3e5f4158327177e8bdc379a3b56e120e3403655b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4f2dd88d17dd19bbb4ebd1e76349355657e8abf6c60ba8d9d1b214c5a9d6745
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a4f2dd88d17dd19bbb4ebd1e76349355657e8abf6c60ba8d9d1b214c5a9d6745", kill_on_drop: false }`
[INFO] [stderr]    Compiling difference v1.0.0
[INFO] [stderr]    Compiling pretty_assertions v0.2.1
[INFO] [stderr]    Compiling dtab v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::NameTree::*`
[INFO] [stdout]    --> src/nametree.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 |     use super::NameTree::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "a4f2dd88d17dd19bbb4ebd1e76349355657e8abf6c60ba8d9d1b214c5a9d6745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4f2dd88d17dd19bbb4ebd1e76349355657e8abf6c60ba8d9d1b214c5a9d6745", kill_on_drop: false }`
[INFO] [stdout] a4f2dd88d17dd19bbb4ebd1e76349355657e8abf6c60ba8d9d1b214c5a9d6745
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 18b8e082bd0f8ad05952c79a721edb7b9acd4f1539567791189a218a870ebbad
[INFO] running `Command { std: "docker" "start" "-a" "18b8e082bd0f8ad05952c79a721edb7b9acd4f1539567791189a218a870ebbad", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::NameTree::*`
[INFO] [stderr]    --> src/nametree.rs:277:9
[INFO] [stderr]     |
[INFO] [stderr] 277 |     use super::NameTree::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dtab` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dtab-6ac41743036cf34c)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test nametree::tests::fail_alt ... ok
[INFO] [stdout] test nametree::tests::multiple_alt ... ok
[INFO] [stdout] test nametree::tests::neg_alt ... ok
[INFO] [stdout] test nametree::tests::simple_alt ... ok
[INFO] [stdout] test nametree::tests::simple_union ... ok
[INFO] [stdout] test nametree::tests::simple_weighted_union ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dtab
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - dtab (line 63) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 73) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 59) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 88) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 22) ... ok
[INFO] [stdout] test src/lib.rs - dentry (line 37) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 125) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 49) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 106) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "18b8e082bd0f8ad05952c79a721edb7b9acd4f1539567791189a218a870ebbad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18b8e082bd0f8ad05952c79a721edb7b9acd4f1539567791189a218a870ebbad", kill_on_drop: false }`
[INFO] [stdout] 18b8e082bd0f8ad05952c79a721edb7b9acd4f1539567791189a218a870ebbad