[INFO] fetching crate xz2 0.1.7...
[INFO] checking xz2-0.1.7 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate xz2 0.1.7 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate xz2 0.1.7 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xz2 0.1.7
[INFO] finished tweaking crates.io crate xz2 0.1.7
[INFO] tweaked toml for crates.io crate xz2 0.1.7 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" "+35936c4839dd272646394779d151e060d0f6b3ac" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.2
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.4
[INFO] [stderr]   Downloaded scoped-tls v0.1.2
[INFO] [stderr]   Downloaded futures v0.1.31
[INFO] [stderr]   Downloaded tokio-fs v0.1.7
[INFO] [stderr]   Downloaded memoffset v0.5.6
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.2
[INFO] [stderr]   Downloaded tokio-codec v0.1.2
[INFO] [stderr]   Downloaded tokio-uds v0.2.7
[INFO] [stderr]   Downloaded miow v0.2.2
[INFO] [stderr]   Downloaded parking_lot_core v0.6.3
[INFO] [stderr]   Downloaded tokio-core v0.1.18
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.3
[INFO] [stderr]   Downloaded mio-uds v0.6.8
[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" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb04e0af380c682c6a699f011dd3a6f19bfc43c4a5d54e1631b7ba5af3ed2cdd
[INFO] running `Command { std: "docker" "start" "-a" "cb04e0af380c682c6a699f011dd3a6f19bfc43c4a5d54e1631b7ba5af3ed2cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb04e0af380c682c6a699f011dd3a6f19bfc43c4a5d54e1631b7ba5af3ed2cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb04e0af380c682c6a699f011dd3a6f19bfc43c4a5d54e1631b7ba5af3ed2cdd", kill_on_drop: false }`
[INFO] [stdout] cb04e0af380c682c6a699f011dd3a6f19bfc43c4a5d54e1631b7ba5af3ed2cdd
[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" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f20eb643c465a565b9d2e7967b6a119dd555aaecb4f44b6cd714f29d393c89d4
[INFO] running `Command { std: "docker" "start" "-a" "f20eb643c465a565b9d2e7967b6a119dd555aaecb4f44b6cd714f29d393c89d4", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking xz2 v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `lzma_sys` is imported redundantly
[INFO] [stdout]   --> src/stream.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use lzma_sys;
[INFO] [stdout]    |     ^^^^^^^^ the item `lzma_sys` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lzma_sys` is imported redundantly
[INFO] [stdout]  --> src/bufread.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lzma_sys;
[INFO] [stdout]   |     ^^^^^^^^ the item `lzma_sys` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lzma_sys` is imported redundantly
[INFO] [stdout]  --> src/write.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lzma_sys;
[INFO] [stdout]   |     ^^^^^^^^ the item `lzma_sys` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stdout] warning: the item `lzma_sys` is imported redundantly
[INFO] [stdout]   --> src/stream.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use lzma_sys;
[INFO] [stdout]    |     ^^^^^^^^ the item `lzma_sys` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lzma_sys` is imported redundantly
[INFO] [stdout]  --> src/bufread.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lzma_sys;
[INFO] [stdout]   |     ^^^^^^^^ the item `lzma_sys` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lzma_sys` is imported redundantly
[INFO] [stdout]  --> src/write.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lzma_sys;
[INFO] [stdout]   |     ^^^^^^^^ the item `lzma_sys` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.79s
[INFO] running `Command { std: "docker" "inspect" "f20eb643c465a565b9d2e7967b6a119dd555aaecb4f44b6cd714f29d393c89d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f20eb643c465a565b9d2e7967b6a119dd555aaecb4f44b6cd714f29d393c89d4", kill_on_drop: false }`
[INFO] [stdout] f20eb643c465a565b9d2e7967b6a119dd555aaecb4f44b6cd714f29d393c89d4