[INFO] fetching crate lettre 0.10.0-alpha.3...
[INFO] checking lettre-0.10.0-alpha.3 against master#ffa2e7ae8fbf9badc035740db949b9dae271c29f for pr-78338
[INFO] extracting crate lettre 0.10.0-alpha.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate lettre 0.10.0-alpha.3 on toolchain ffa2e7ae8fbf9badc035740db949b9dae271c29f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lettre 0.10.0-alpha.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lettre 0.10.0-alpha.3
[INFO] tweaked toml for crates.io crate lettre 0.10.0-alpha.3 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate lettre 0.10.0-alpha.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "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] a6984e289e0f477774e3c82c96c473273923be3b27d27cc3cb6a1448ad861e9b
[INFO] running `Command { std: "docker" "start" "-a" "a6984e289e0f477774e3c82c96c473273923be3b27d27cc3cb6a1448ad861e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6984e289e0f477774e3c82c96c473273923be3b27d27cc3cb6a1448ad861e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6984e289e0f477774e3c82c96c473273923be3b27d27cc3cb6a1448ad861e9b", kill_on_drop: false }`
[INFO] [stdout] a6984e289e0f477774e3c82c96c473273923be3b27d27cc3cb6a1448ad861e9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a7cc553328ec14bd1358cdcf77d3fa99ae1f83be35d2063d61d9a2c2a7b671d
[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" "2a7cc553328ec14bd1358cdcf77d3fa99ae1f83be35d2063d61d9a2c2a7b671d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking quoted_printable v0.4.2
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking hyperx v1.2.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tokio-macros v0.3.0
[INFO] [stderr]     Checking tokio v0.3.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.13
[INFO] [stderr]     Checking lettre v0.10.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 49s
[INFO] running `Command { std: "docker" "inspect" "2a7cc553328ec14bd1358cdcf77d3fa99ae1f83be35d2063d61d9a2c2a7b671d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a7cc553328ec14bd1358cdcf77d3fa99ae1f83be35d2063d61d9a2c2a7b671d", kill_on_drop: false }`
[INFO] [stdout] 2a7cc553328ec14bd1358cdcf77d3fa99ae1f83be35d2063d61d9a2c2a7b671d