[INFO] fetching crate lettre 0.10.0-beta.4...
[INFO] checking lettre-0.10.0-beta.4 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate lettre 0.10.0-beta.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lettre 0.10.0-beta.4 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lettre 0.10.0-beta.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lettre 0.10.0-beta.4
[INFO] tweaked toml for crates.io crate lettre 0.10.0-beta.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate lettre 0.10.0-beta.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-rustls v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e84f1456a37d9169563481b6fb64f45aa7f0cd251f649095239cd3680b622a09
[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" "e84f1456a37d9169563481b6fb64f45aa7f0cd251f649095239cd3680b622a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e84f1456a37d9169563481b6fb64f45aa7f0cd251f649095239cd3680b622a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84f1456a37d9169563481b6fb64f45aa7f0cd251f649095239cd3680b622a09", kill_on_drop: false }`
[INFO] [stdout] e84f1456a37d9169563481b6fb64f45aa7f0cd251f649095239cd3680b622a09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4973891b8197df9f2073645c801edb1760dc1a51c873ada1280fee68787ad8a1
[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" "4973891b8197df9f2073645c801edb1760dc1a51c873ada1280fee68787ad8a1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking fastrand v1.4.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling maud_htmlescape v0.17.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking httpdate v1.0.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking quoted_printable v0.4.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking memchr v2.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]    Compiling openssl-sys v0.9.62
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling cast v0.2.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.5.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling maud_macros v0.22.2
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking maud v0.22.2
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.18
[INFO] [stderr]     Checking async-io v1.4.1
[INFO] [stderr]     Checking lettre v0.10.0-beta.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "4973891b8197df9f2073645c801edb1760dc1a51c873ada1280fee68787ad8a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4973891b8197df9f2073645c801edb1760dc1a51c873ada1280fee68787ad8a1", kill_on_drop: false }`
[INFO] [stdout] 4973891b8197df9f2073645c801edb1760dc1a51c873ada1280fee68787ad8a1