[INFO] fetching crate amail-lambda-smtp-relay 0.1.0...
[INFO] testing amail-lambda-smtp-relay-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate amail-lambda-smtp-relay 0.1.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate amail-lambda-smtp-relay 0.1.0 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 amail-lambda-smtp-relay 0.1.0
[INFO] finished tweaking crates.io crate amail-lambda-smtp-relay 0.1.0
[INFO] tweaked toml for crates.io crate amail-lambda-smtp-relay 0.1.0 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate crates.io crate amail-lambda-smtp-relay 0.1.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusoto_credential v0.43.0
[INFO] [stderr]   Downloaded rusoto_s3 v0.43.0
[INFO] [stderr]   Downloaded rustls-native-certs v0.3.0
[INFO] [stderr]   Downloaded lambda_runtime_client v0.2.2
[INFO] [stderr]   Downloaded hyper-rustls v0.20.0
[INFO] [stderr]   Downloaded rusoto_signature v0.43.0
[INFO] [stderr]   Downloaded rusoto_core v0.43.0
[INFO] [stderr]   Downloaded lambda_runtime_errors v0.1.1
[INFO] [stderr]   Downloaded lambda_runtime_errors_derive v0.1.1
[INFO] [stderr]   Downloaded lambda_runtime v0.2.1
[INFO] [stderr]   Downloaded lambda_runtime_core v0.1.2
[INFO] [stderr]   Downloaded textnonce v0.7.1
[INFO] [stderr]   Downloaded aws_lambda_events v0.2.7
[INFO] [stderr]   Downloaded lettre v0.10.0-alpha.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 89c3582993ed179f0fb12fb81cc5f7ea44a7b18448133267594de0b67e803bcf
[INFO] running `Command { std: "docker" "start" "-a" "89c3582993ed179f0fb12fb81cc5f7ea44a7b18448133267594de0b67e803bcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89c3582993ed179f0fb12fb81cc5f7ea44a7b18448133267594de0b67e803bcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89c3582993ed179f0fb12fb81cc5f7ea44a7b18448133267594de0b67e803bcf", kill_on_drop: false }`
[INFO] [stdout] 89c3582993ed179f0fb12fb81cc5f7ea44a7b18448133267594de0b67e803bcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 50e18824868e33d63d062d7cb444431c6ad51ccfb49353f7bb20622dd29839e3
[INFO] running `Command { std: "docker" "start" "-a" "50e18824868e33d63d062d7cb444431c6ad51ccfb49353f7bb20622dd29839e3", 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]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling httparse v1.3.6
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling zeroize v1.4.2
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling hyperx v1.3.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling quoted_printable v0.4.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling http v0.2.5
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling base64 v0.9.3
[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/base64-0.11.0/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="default"' --cfg 'feature="std"' -C metadata=4a3ec7ac552c3891 -C extra-filename=-4a3ec7ac552c3891 --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" "50e18824868e33d63d062d7cb444431c6ad51ccfb49353f7bb20622dd29839e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50e18824868e33d63d062d7cb444431c6ad51ccfb49353f7bb20622dd29839e3", kill_on_drop: false }`
[INFO] [stdout] 50e18824868e33d63d062d7cb444431c6ad51ccfb49353f7bb20622dd29839e3