[INFO] fetching crate uvm_install_graph 0.3.0...
[INFO] checking uvm_install_graph-0.3.0 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate uvm_install_graph 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate uvm_install_graph 0.3.0 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uvm_install_graph 0.3.0
[INFO] finished tweaking crates.io crate uvm_install_graph 0.3.0
[INFO] tweaked toml for crates.io crate uvm_install_graph 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hex-serde v0.1.0
[INFO] [stderr]   Downloaded md-5 v0.8.0
[INFO] [stderr]   Downloaded stringreader v0.1.1
[INFO] [stderr]   Downloaded zip v0.5.10
[INFO] [stderr]   Downloaded result v1.0.0
[INFO] [stderr]   Downloaded dirs-2 v1.1.0
[INFO] [stderr]   Downloaded derive_deref v1.1.1
[INFO] [stderr]   Downloaded serde_yaml v0.8.17
[INFO] [stderr]   Downloaded plist v0.2.4
[INFO] [stderr]   Downloaded redox_users v0.2.0
[INFO] [stderr]   Downloaded base64 v0.8.0
[INFO] [stderr]   Downloaded serde_ini v0.2.0
[INFO] [stderr]   Downloaded daggy v0.6.0
[INFO] [stderr]   Downloaded plist v0.3.0
[INFO] [stderr]   Downloaded uvm_core v0.8.0
[INFO] [stderr]   Downloaded dmg v0.1.1
[INFO] [stderr]   Downloaded cluFlock v1.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", 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] f901823028485267ac56e6a6f4fd2b9b210b3338ff5fe27587145ac559de9320
[INFO] running `Command { std: "docker" "start" "-a" "f901823028485267ac56e6a6f4fd2b9b210b3338ff5fe27587145ac559de9320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f901823028485267ac56e6a6f4fd2b9b210b3338ff5fe27587145ac559de9320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f901823028485267ac56e6a6f4fd2b9b210b3338ff5fe27587145ac559de9320", kill_on_drop: false }`
[INFO] [stdout] f901823028485267ac56e6a6f4fd2b9b210b3338ff5fe27587145ac559de9320
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3817f2d1d9865489202302e8dd0daf440b1f48d3be5a43b45e9e3c9ca7cf1a9
[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" "c3817f2d1d9865489202302e8dd0daf440b1f48d3be5a43b45e9e3c9ca7cf1a9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]     Checking either v1.6.1
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[INFO] [stderr]    Compiling crc32fast v1.2.1
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[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
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[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling encoding_rs v0.8.28
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[INFO] [stderr]    Compiling plist v0.3.0
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[INFO] [stderr]     Checking linked-hash-map v0.5.4
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[INFO] [stderr]    Compiling miniz_oxide v0.4.3
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[INFO] [stderr]     Checking base64 v0.10.1
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[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
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[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking thread_local v1.1.3
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[INFO] [stderr]    Compiling parking_lot_core v0.6.2
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[INFO] [stderr]     Checking mio v0.6.23
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[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling derive_deref v1.1.1
[INFO] [stderr]     Checking flate2 v1.0.14
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[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking http v0.1.21
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[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
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[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking daggy v0.6.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking serde_json v1.0.62
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[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking hex-serde v0.1.0
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
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[INFO] [stderr]     Checking tokio-threadpool v0.1.18
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[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking publicsuffix v1.5.5
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking zip v0.5.10
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking uvm_core v0.8.0
[INFO] [stderr]     Checking uvm_install_graph v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Version`
[INFO] [stdout]  --> tests/graph_tests.rs:4:34
[INFO] [stdout]   |
[INFO] [stdout] 4 | use uvm_core::unity::{Component, Version};
[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 dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "c3817f2d1d9865489202302e8dd0daf440b1f48d3be5a43b45e9e3c9ca7cf1a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3817f2d1d9865489202302e8dd0daf440b1f48d3be5a43b45e9e3c9ca7cf1a9", kill_on_drop: false }`
[INFO] [stdout] c3817f2d1d9865489202302e8dd0daf440b1f48d3be5a43b45e9e3c9ca7cf1a9