[INFO] fetching crate doctor-diff-core 0.1.0...
[INFO] testing doctor-diff-core-0.1.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate doctor-diff-core 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate doctor-diff-core 0.1.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate doctor-diff-core 0.1.0
[INFO] finished tweaking crates.io crate doctor-diff-core 0.1.0
[INFO] tweaked toml for crates.io crate doctor-diff-core 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f161905d8fa87c172ddccb19211f5af4d056c87e910c5e0bc9419f5c5810b145
[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" "f161905d8fa87c172ddccb19211f5af4d056c87e910c5e0bc9419f5c5810b145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f161905d8fa87c172ddccb19211f5af4d056c87e910c5e0bc9419f5c5810b145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f161905d8fa87c172ddccb19211f5af4d056c87e910c5e0bc9419f5c5810b145", kill_on_drop: false }`
[INFO] [stdout] f161905d8fa87c172ddccb19211f5af4d056c87e910c5e0bc9419f5c5810b145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95f7890fde8a584371fe8944ddf9d194d1602eadeddf9da59db65ff367076c39
[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" "95f7890fde8a584371fe8944ddf9d194d1602eadeddf9da59db65ff367076c39", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling bzip2 v0.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling zip v0.5.13
[INFO] [stderr]    Compiling doctor-diff-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.11s
[INFO] running `Command { std: "docker" "inspect" "95f7890fde8a584371fe8944ddf9d194d1602eadeddf9da59db65ff367076c39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f7890fde8a584371fe8944ddf9d194d1602eadeddf9da59db65ff367076c39", kill_on_drop: false }`
[INFO] [stdout] 95f7890fde8a584371fe8944ddf9d194d1602eadeddf9da59db65ff367076c39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c66303f700ac2bd4fea5e1c228cb464abaa183965ffcc24d61a4c7f39b988d4
[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" "0c66303f700ac2bd4fea5e1c228cb464abaa183965ffcc24d61a4c7f39b988d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling doctor-diff-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "0c66303f700ac2bd4fea5e1c228cb464abaa183965ffcc24d61a4c7f39b988d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c66303f700ac2bd4fea5e1c228cb464abaa183965ffcc24d61a4c7f39b988d4", kill_on_drop: false }`
[INFO] [stdout] 0c66303f700ac2bd4fea5e1c228cb464abaa183965ffcc24d61a4c7f39b988d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0c532eeed6caa5681ba31f95d9c0800a4f6357c252549a8af3682b2b0899d7e9
[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" "0c532eeed6caa5681ba31f95d9c0800a4f6357c252549a8af3682b2b0899d7e9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/doctor_diff_core-a731526763669bdb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests doctor-diff-core
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0c532eeed6caa5681ba31f95d9c0800a4f6357c252549a8af3682b2b0899d7e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c532eeed6caa5681ba31f95d9c0800a4f6357c252549a8af3682b2b0899d7e9", kill_on_drop: false }`
[INFO] [stdout] 0c532eeed6caa5681ba31f95d9c0800a4f6357c252549a8af3682b2b0899d7e9