[INFO] fetching crate lettre 0.10.0-rc.3...
[INFO] checking lettre-0.10.0-rc.3 against 1.55.0 for beta-1.56-3
[INFO] extracting crate lettre 0.10.0-rc.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate lettre 0.10.0-rc.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lettre 0.10.0-rc.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lettre 0.10.0-rc.3
[INFO] tweaked toml for crates.io crate lettre 0.10.0-rc.3 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate lettre 0.10.0-rc.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca3e9085f3e6e3471b66cce0cf6e9a562d237ecd2a8330069ed6929d809f3fd0
[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" "ca3e9085f3e6e3471b66cce0cf6e9a562d237ecd2a8330069ed6929d809f3fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca3e9085f3e6e3471b66cce0cf6e9a562d237ecd2a8330069ed6929d809f3fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca3e9085f3e6e3471b66cce0cf6e9a562d237ecd2a8330069ed6929d809f3fd0", kill_on_drop: false }`
[INFO] [stdout] ca3e9085f3e6e3471b66cce0cf6e9a562d237ecd2a8330069ed6929d809f3fd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] f371462149741a2f70c57e843e505c78ae422756e21da4c6f3e11b8bd2305d68
[INFO] running `Command { std: "docker" "start" "-a" "f371462149741a2f70c57e843e505c78ae422756e21da4c6f3e11b8bd2305d68", 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]     Checking fastrand v1.4.1
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling maud_htmlescape v0.17.0
[INFO] [stderr]     Checking httpdate v1.0.0
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling maud_macros v0.22.2
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.7
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking nom v6.1.2
[INFO] [stderr]     Checking maud v0.22.2
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking tracing-subscriber v0.2.18
[INFO] [stderr]     Checking async-io v1.4.1
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking lettre v0.10.0-rc.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.68s
[INFO] running `Command { std: "docker" "inspect" "f371462149741a2f70c57e843e505c78ae422756e21da4c6f3e11b8bd2305d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f371462149741a2f70c57e843e505c78ae422756e21da4c6f3e11b8bd2305d68", kill_on_drop: false }`
[INFO] [stdout] f371462149741a2f70c57e843e505c78ae422756e21da4c6f3e11b8bd2305d68
