[INFO] fetching crate error-chain 0.12.4...
[INFO] checking error-chain-0.12.4 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] extracting crate error-chain 0.12.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate error-chain 0.12.4 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate error-chain 0.12.4
[INFO] finished tweaking crates.io crate error-chain 0.12.4
[INFO] tweaked toml for crates.io crate error-chain 0.12.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate error-chain 0.12.4 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 925ee9e5a80b9b9368e93ff8c18de6c7b1ac395ae613d39e777ce0321afbcf8a
[INFO] running `Command { std: "docker" "start" "-a" "925ee9e5a80b9b9368e93ff8c18de6c7b1ac395ae613d39e777ce0321afbcf8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "925ee9e5a80b9b9368e93ff8c18de6c7b1ac395ae613d39e777ce0321afbcf8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "925ee9e5a80b9b9368e93ff8c18de6c7b1ac395ae613d39e777ce0321afbcf8a", kill_on_drop: false }`
[INFO] [stdout] 925ee9e5a80b9b9368e93ff8c18de6c7b1ac395ae613d39e777ce0321afbcf8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcd79228e719cf1bf5b97f4c85d0680f7a04b0ef0973f248f637efdd1fd48f6b
[INFO] running `Command { std: "docker" "start" "-a" "bcd79228e719cf1bf5b97f4c85d0680f7a04b0ef0973f248f637efdd1fd48f6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling error-chain v0.12.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:544:5
[INFO] [stdout]     |
[INFO] [stdout] 544 | use std::iter::Iterator;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `Iterator` is already defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:544:5
[INFO] [stdout]     |
[INFO] [stdout] 544 | use std::iter::Iterator;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `Iterator` is already defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this attribute can only be applied at the crate level
[INFO] [stdout]    --> tests/tests.rs:508:7
[INFO] [stdout]     |
[INFO] [stdout] 508 | #[doc(test)]
[INFO] [stdout]     |       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: read <https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#at-the-crate-level> for more information
[INFO] [stdout]     = note: `#[deny(invalid_doc_attributes)]` on by default
[INFO] [stdout] help: to apply to the crate, use an inner attribute
[INFO] [stdout]     |
[INFO] [stdout] 508 | #![doc(test)]
[INFO] [stdout]     |  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `error-chain` (test "tests") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "bcd79228e719cf1bf5b97f4c85d0680f7a04b0ef0973f248f637efdd1fd48f6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcd79228e719cf1bf5b97f4c85d0680f7a04b0ef0973f248f637efdd1fd48f6b", kill_on_drop: false }`
[INFO] [stdout] bcd79228e719cf1bf5b97f4c85d0680f7a04b0ef0973f248f637efdd1fd48f6b
[INFO] checking error-chain-0.12.4 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3
[INFO] extracting crate error-chain 0.12.4 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate error-chain 0.12.4 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate error-chain 0.12.4
[INFO] finished tweaking crates.io crate error-chain 0.12.4
[INFO] tweaked toml for crates.io crate error-chain 0.12.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate error-chain 0.12.4 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5491a1892d602fa25e4a176d3953bc66c07ca1939bb1e9deede9d9682f238ea9
[INFO] running `Command { std: "docker" "start" "-a" "5491a1892d602fa25e4a176d3953bc66c07ca1939bb1e9deede9d9682f238ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5491a1892d602fa25e4a176d3953bc66c07ca1939bb1e9deede9d9682f238ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5491a1892d602fa25e4a176d3953bc66c07ca1939bb1e9deede9d9682f238ea9", kill_on_drop: false }`
[INFO] [stdout] 5491a1892d602fa25e4a176d3953bc66c07ca1939bb1e9deede9d9682f238ea9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e9b6576019a3e52455c088fdd8c8a4ece4414f021c84ebc7d58d38981d0fee7
[INFO] running `Command { std: "docker" "start" "-a" "7e9b6576019a3e52455c088fdd8c8a4ece4414f021c84ebc7d58d38981d0fee7", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "7e9b6576019a3e52455c088fdd8c8a4ece4414f021c84ebc7d58d38981d0fee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e9b6576019a3e52455c088fdd8c8a4ece4414f021c84ebc7d58d38981d0fee7", kill_on_drop: false }`
[INFO] [stdout] 7e9b6576019a3e52455c088fdd8c8a4ece4414f021c84ebc7d58d38981d0fee7