[INFO] fetching crate assemblylift-iomod-s3-guest 0.1.1...
[INFO] checking assemblylift-iomod-s3-guest-0.1.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate assemblylift-iomod-s3-guest 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate assemblylift-iomod-s3-guest 0.1.1
[INFO] finished tweaking crates.io crate assemblylift-iomod-s3-guest 0.1.1
[INFO] tweaked toml for crates.io crate assemblylift-iomod-s3-guest 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate assemblylift-iomod-s3-guest 0.1.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] [stderr]       Adding xml-rs v0.8.27 (available: v1.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16b64dee1b42798afcb3f49702facb426c954c3ae24a0c673e1fd8375f9567da
[INFO] running `Command { std: "docker" "start" "-a" "16b64dee1b42798afcb3f49702facb426c954c3ae24a0c673e1fd8375f9567da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16b64dee1b42798afcb3f49702facb426c954c3ae24a0c673e1fd8375f9567da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b64dee1b42798afcb3f49702facb426c954c3ae24a0c673e1fd8375f9567da", kill_on_drop: false }`
[INFO] [stdout] 16b64dee1b42798afcb3f49702facb426c954c3ae24a0c673e1fd8375f9567da
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f285e36fa96a262b9569acada6ec24eb11422778114cf3749d84f6df5ec63ef
[INFO] running `Command { std: "docker" "start" "-a" "8f285e36fa96a262b9569acada6ec24eb11422778114cf3749d84f6df5ec63ef", kill_on_drop: false }`
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking xml-rs v0.8.27
[INFO] [stderr]     Checking assemblylift-core-iomod-guest v0.3.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking assemblylift-core-io-common v0.3.0
[INFO] [stderr]     Checking serde_json v1.0.143
[INFO] [stderr]     Checking assemblylift-core-io-guest v0.3.2
[INFO] [stderr]     Checking assemblylift-iomod-s3-guest v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::xml_util::error::*`
[INFO] [stdout]   --> src/structs.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::xml_util::error::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `find_start_element` and `write_characters_element`
[INFO] [stdout]   --> src/structs.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |     deserialize_elements, find_start_element, skip_tree, write_characters_element, deserialize_primitive
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `XmlResponse`
[INFO] [stdout]   --> src/structs.rs:14:56
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::xml_util::util::{Next, Peek, XmlParseError, XmlResponse};
[INFO] [stdout]    |                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EventReader` and `ParserConfig`
[INFO] [stdout]   --> src/xml_util/util.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | use xml::reader::{EventReader, Events, ParserConfig, XmlEvent};
[INFO] [stdout]    |                   ^^^^^^^^^^^          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::xml_util::error::*`
[INFO] [stdout]   --> src/structs.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::xml_util::error::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `find_start_element` and `write_characters_element`
[INFO] [stdout]   --> src/structs.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |     deserialize_elements, find_start_element, skip_tree, write_characters_element, deserialize_primitive
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `XmlResponse`
[INFO] [stdout]   --> src/structs.rs:14:56
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::xml_util::util::{Next, Peek, XmlParseError, XmlResponse};
[INFO] [stdout]    |                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EventReader` and `ParserConfig`
[INFO] [stdout]   --> src/xml_util/util.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | use xml::reader::{EventReader, Events, ParserConfig, XmlEvent};
[INFO] [stdout]    |                   ^^^^^^^^^^^          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unknown`
[INFO] [stdout]   --> src/xml_util/error.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 unknown => {
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unknown`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/xml_util/util.rs:43:40
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new(stack: Peekable<Events<&'b [u8]>>) -> XmlResponse {
[INFO] [stdout]    |                                        ^^            ----------- the same lifetime is hidden here
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'b`
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new(stack: Peekable<Events<&'b [u8]>>) -> XmlResponse<'b> {
[INFO] [stdout]    |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unknown`
[INFO] [stdout]   --> src/xml_util/error.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 unknown => {
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unknown`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/xml_util/util.rs:43:40
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new(stack: Peekable<Events<&'b [u8]>>) -> XmlResponse {
[INFO] [stdout]    |                                        ^^            ----------- the same lifetime is hidden here
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'b`
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new(stack: Peekable<Events<&'b [u8]>>) -> XmlResponse<'b> {
[INFO] [stdout]    |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.19s
[INFO] running `Command { std: "docker" "inspect" "8f285e36fa96a262b9569acada6ec24eb11422778114cf3749d84f6df5ec63ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f285e36fa96a262b9569acada6ec24eb11422778114cf3749d84f6df5ec63ef", kill_on_drop: false }`
[INFO] [stdout] 8f285e36fa96a262b9569acada6ec24eb11422778114cf3749d84f6df5ec63ef