[INFO] fetching crate mail-core-ng 0.6.3...
[INFO] checking mail-core-ng-0.6.3 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate mail-core-ng 0.6.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate mail-core-ng 0.6.3 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mail-core-ng 0.6.3
[INFO] finished tweaking crates.io crate mail-core-ng 0.6.3
[INFO] tweaked toml for crates.io crate mail-core-ng 0.6.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate mail-core-ng 0.6.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded media-type v0.4.0-unstable
[INFO] [stderr]   Downloaded media-type-impl-utils v0.3.0-unstable
[INFO] [stderr]   Downloaded quoted-string v0.6.1
[INFO] [stderr]   Downloaded safemem v0.2.0
[INFO] [stderr]   Downloaded vec-drain-where v1.0.1
[INFO] [stderr]   Downloaded base64 v0.6.0
[INFO] [stderr]   Downloaded lut v0.1.0-unstable
[INFO] [stderr]   Downloaded total-order-multi-map v0.4.6
[INFO] [stderr]   Downloaded vec1 v1.10.1
[INFO] [stderr]   Downloaded mail-internals-ng v0.2.4
[INFO] [stderr]   Downloaded checked_command v0.2.4
[INFO] [stderr]   Downloaded mail-headers-ng v0.6.7
[INFO] [stderr]   Downloaded soft-ascii-string v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7d1b6ae516c144758db217334832380e2c0007b0db0419feee9d43f6b0c0230
[INFO] running `Command { std: "docker" "start" "-a" "d7d1b6ae516c144758db217334832380e2c0007b0db0419feee9d43f6b0c0230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7d1b6ae516c144758db217334832380e2c0007b0db0419feee9d43f6b0c0230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d1b6ae516c144758db217334832380e2c0007b0db0419feee9d43f6b0c0230", kill_on_drop: false }`
[INFO] [stdout] d7d1b6ae516c144758db217334832380e2c0007b0db0419feee9d43f6b0c0230
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5004aae32be190982af8a0995925cd6b4b583caaaa752bf04ad7c8263549e89
[INFO] running `Command { std: "docker" "start" "-a" "c5004aae32be190982af8a0995925cd6b4b583caaaa752bf04ad7c8263549e89", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking lut v0.1.0-unstable
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking quoted-string v0.6.1
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking media-type-impl-utils v0.3.0-unstable
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking media-type v0.4.0-unstable
[INFO] [stderr]    Compiling checked_command v0.2.4
[INFO] [stderr]     Checking vec1 v1.10.1
[INFO] [stderr]     Checking quoted_printable v0.4.8
[INFO] [stderr]     Checking soft-ascii-string v1.1.0
[INFO] [stderr]     Checking vec-drain-where v1.0.1
[INFO] [stderr]     Checking total-order-multi-map v0.4.6
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking mail-internals-ng v0.2.4
[INFO] [stderr]     Checking mail-headers-ng v0.6.7
[INFO] [stderr]     Checking serde_test v1.0.176
[INFO] [stderr]     Checking mail-core-ng v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `mail_core`
[INFO] [stdout]  --> tests/mail.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate mail_core;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `mail_core`
[INFO] [stdout]  --> examples/readme.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate mail_core;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mail-core-ng` (test "mail") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mail-core-ng` (example "readme") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c5004aae32be190982af8a0995925cd6b4b583caaaa752bf04ad7c8263549e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5004aae32be190982af8a0995925cd6b4b583caaaa752bf04ad7c8263549e89", kill_on_drop: false }`
[INFO] [stdout] c5004aae32be190982af8a0995925cd6b4b583caaaa752bf04ad7c8263549e89