[INFO] fetching crate mprober 0.11.0-beta.9...
[INFO] testing mprober-0.11.0-beta.9 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate mprober 0.11.0-beta.9 into /workspace/builds/worker-43/source
[INFO] validating manifest of crates.io crate mprober 0.11.0-beta.9 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mprober 0.11.0-beta.9
[INFO] finished tweaking crates.io crate mprober 0.11.0-beta.9
[INFO] tweaked toml for crates.io crate mprober 0.11.0-beta.9 written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate crates.io crate mprober 0.11.0-beta.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded users v0.11.0
[INFO] [stderr]   Downloaded byte-unit v4.0.12
[INFO] [stderr]   Downloaded getch v0.2.1
[INFO] [stderr]   Downloaded num-bigint v0.4.0
[INFO] [stderr]   Downloaded wyhash v0.5.0
[INFO] [stderr]   Downloaded benchmarking v0.4.10
[INFO] [stderr]   Downloaded bitflags v1.3.1
[INFO] [stderr]   Downloaded lru_time_cache v0.11.11
[INFO] [stderr]   Downloaded loom v0.5.1
[INFO] [stderr]   Downloaded validators-options v0.23.0
[INFO] [stderr]   Downloaded mprober-lib v0.1.6
[INFO] [stderr]   Downloaded rocket-simple-authorization v0.10.0
[INFO] [stderr]   Downloaded rocket-json-response v0.6.0
[INFO] [stderr]   Downloaded rocket-etag-if-none-match v0.4.0
[INFO] [stderr]   Downloaded rocket-include-static-resources v0.10.0
[INFO] [stderr]   Downloaded validators v0.23.0
[INFO] [stderr]   Downloaded rc-u8-reader v2.0.14
[INFO] [stderr]   Downloaded rocket-cache-response v0.6.0
[INFO] [stderr]   Downloaded rocket-include-handlebars v0.13.0
[INFO] [stderr]   Downloaded json-gettext v4.0.0
[INFO] [stderr]   Downloaded validators-derive v0.23.0
[INFO] [stderr]   Downloaded entity-tag v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a8f3da600b99575f6239bf9be0d0e5ff421fdb58d5182a807fa20d96b3a5ad5
[INFO] running `Command { std: "docker" "start" "-a" "5a8f3da600b99575f6239bf9be0d0e5ff421fdb58d5182a807fa20d96b3a5ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a8f3da600b99575f6239bf9be0d0e5ff421fdb58d5182a807fa20d96b3a5ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a8f3da600b99575f6239bf9be0d0e5ff421fdb58d5182a807fa20d96b3a5ad5", kill_on_drop: false }`
[INFO] [stdout] 5a8f3da600b99575f6239bf9be0d0e5ff421fdb58d5182a807fa20d96b3a5ad5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7540a5c72b10d516ad056576d3dbadf4fb9038f7fa70aaa2d5600070865de54
[INFO] running `Command { std: "docker" "start" "-a" "d7540a5c72b10d516ad056576d3dbadf4fb9038f7fa70aaa2d5600070865de54", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling bitflags v1.3.1
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling inlinable_string v0.1.14
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling state v0.5.2
[INFO] [stderr]    Compiling unchecked-index v0.2.2
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling binascii v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling utf8-width v0.1.5
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling debug-helper v0.3.12
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling macro-utils v0.1.3
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling cow-utils v0.1.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling lru_time_cache v0.11.11
[INFO] [stderr]    Compiling concat-with v0.2.6
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling benchmarking v0.4.10
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling html-escape v0.2.9
[INFO] [stderr]    Compiling byte-unit v4.0.12
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling minifier v0.0.41
[INFO] [stderr] error: could not compile `base64`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name base64 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/base64-0.13.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=aca2df298b5e0d5f -C extra-filename=-aca2df298b5e0d5f --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" "d7540a5c72b10d516ad056576d3dbadf4fb9038f7fa70aaa2d5600070865de54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7540a5c72b10d516ad056576d3dbadf4fb9038f7fa70aaa2d5600070865de54", kill_on_drop: false }`
[INFO] [stdout] d7540a5c72b10d516ad056576d3dbadf4fb9038f7fa70aaa2d5600070865de54