[INFO] fetching crate seq_io 0.4.0-alpha.0...
[INFO] testing seq_io-0.4.0-alpha.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate seq_io 0.4.0-alpha.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate seq_io 0.4.0-alpha.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seq_io 0.4.0-alpha.0
[INFO] finished tweaking crates.io crate seq_io 0.4.0-alpha.0
[INFO] tweaked toml for crates.io crate seq_io 0.4.0-alpha.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum_macros v0.18.0
[INFO] [stderr]   Downloaded itertools-num v0.1.3
[INFO] [stderr]   Downloaded bytecount v0.6.2
[INFO] [stderr]   Downloaded bv v0.11.1
[INFO] [stderr]   Downloaded strum v0.18.0
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.9
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.2
[INFO] [stderr]   Downloaded derive-new v0.5.9
[INFO] [stderr]   Downloaded bio-types v0.11.0
[INFO] [stderr]   Downloaded enum-map v0.6.4
[INFO] [stderr]   Downloaded feature-probe v0.1.1
[INFO] [stderr]   Downloaded lz4-sys v1.9.2
[INFO] [stderr]   Downloaded lz4 v1.23.2
[INFO] [stderr]   Downloaded rand_isaac v0.2.0
[INFO] [stderr]   Downloaded crossbeam v0.8.1
[INFO] [stderr]   Downloaded enum-map-derive v0.4.6
[INFO] [stderr]   Downloaded statrs v0.12.0
[INFO] [stderr]   Downloaded triple_accel v0.3.4
[INFO] [stderr]   Downloaded newtype_derive v0.1.6
[INFO] [stderr]   Downloaded buf_redux v0.8.4
[INFO] [stderr]   Downloaded array-macro v1.0.5
[INFO] [stderr]   Downloaded getset v0.0.9
[INFO] [stderr]   Downloaded custom_derive v0.1.7
[INFO] [stderr]   Downloaded fastq v0.6.0
[INFO] [stderr]   Downloaded bio v0.32.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b9593ffc0f82f775d8466c8e8a380b1397984c6603cde3000845f5c40ddb078
[INFO] running `Command { std: "docker" "start" "-a" "8b9593ffc0f82f775d8466c8e8a380b1397984c6603cde3000845f5c40ddb078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b9593ffc0f82f775d8466c8e8a380b1397984c6603cde3000845f5c40ddb078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9593ffc0f82f775d8466c8e8a380b1397984c6603cde3000845f5c40ddb078", kill_on_drop: false }`
[INFO] [stdout] 8b9593ffc0f82f775d8466c8e8a380b1397984c6603cde3000845f5c40ddb078
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4b92df21fd65e038706cea0316c5328fc8719082361261afe26f429e2c015b7
[INFO] running `Command { std: "docker" "start" "-a" "b4b92df21fd65e038706cea0316c5328fc8719082361261afe26f429e2c015b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling seq_io v0.4.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.01s
[INFO] running `Command { std: "docker" "inspect" "b4b92df21fd65e038706cea0316c5328fc8719082361261afe26f429e2c015b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4b92df21fd65e038706cea0316c5328fc8719082361261afe26f429e2c015b7", kill_on_drop: false }`
[INFO] [stdout] b4b92df21fd65e038706cea0316c5328fc8719082361261afe26f429e2c015b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b50dd4082f2f2505fc7c8c6fa07237e27ecf75bcdbc207140fcf4ce660a2d3ac
[INFO] running `Command { std: "docker" "start" "-a" "b50dd4082f2f2505fc7c8c6fa07237e27ecf75bcdbc207140fcf4ce660a2d3ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling plotters-backend v0.3.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling array-macro v1.0.5
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling bio v0.32.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling triple_accel v0.3.4
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bv v0.11.1
[INFO] [stderr]    Compiling plotters-svg v0.3.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling enum-map-derive v0.4.6
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_isaac v0.2.0
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.68/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=17638b37a0bebbe5 -C extra-filename=-17638b37a0bebbe5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b50dd4082f2f2505fc7c8c6fa07237e27ecf75bcdbc207140fcf4ce660a2d3ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b50dd4082f2f2505fc7c8c6fa07237e27ecf75bcdbc207140fcf4ce660a2d3ac", kill_on_drop: false }`
[INFO] [stdout] b50dd4082f2f2505fc7c8c6fa07237e27ecf75bcdbc207140fcf4ce660a2d3ac