[INFO] fetching crate identicon 0.2.1...
[INFO] checking identicon-0.2.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate identicon 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate identicon 0.2.1
[INFO] finished tweaking crates.io crate identicon 0.2.1
[INFO] tweaked toml for crates.io crate identicon 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate identicon 0.2.1 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] crate crates.io crate identicon 0.2.1 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" "+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] 1340c46992a2bbbfd6b855759b90cd2c2233051663d8df6d2d2c533cdd67be7d
[INFO] running `Command { std: "docker" "start" "-a" "1340c46992a2bbbfd6b855759b90cd2c2233051663d8df6d2d2c533cdd67be7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1340c46992a2bbbfd6b855759b90cd2c2233051663d8df6d2d2c533cdd67be7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1340c46992a2bbbfd6b855759b90cd2c2233051663d8df6d2d2c533cdd67be7d", kill_on_drop: false }`
[INFO] [stdout] 1340c46992a2bbbfd6b855759b90cd2c2233051663d8df6d2d2c533cdd67be7d
[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] 8f09e07880054f39620c27d47fcb60ddb237db3e71619fc0496be3726ec7805c
[INFO] running `Command { std: "docker" "start" "-a" "8f09e07880054f39620c27d47fcb60ddb237db3e71619fc0496be3726ec7805c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling md5-asm v0.4.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking identicon v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(source: &[u8]) -> Identicon {
[INFO] [stdout]    |                        ^^^^^     --------- the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(source: &[u8]) -> Identicon<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/nibbler.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(bytes: &[u8]) -> Nibbler {
[INFO] [stdout]   |                       ^^^^^     ------- the same lifetime is hidden here
[INFO] [stdout]   |                       |
[INFO] [stdout]   |                       the lifetime is elided here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(bytes: &[u8]) -> Nibbler<'_> {
[INFO] [stdout]   |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(source: &[u8]) -> Identicon {
[INFO] [stdout]    |                        ^^^^^     --------- the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(source: &[u8]) -> Identicon<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/nibbler.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(bytes: &[u8]) -> Nibbler {
[INFO] [stdout]   |                       ^^^^^     ------- the same lifetime is hidden here
[INFO] [stdout]   |                       |
[INFO] [stdout]   |                       the lifetime is elided here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(bytes: &[u8]) -> Nibbler<'_> {
[INFO] [stdout]   |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.23s
[INFO] running `Command { std: "docker" "inspect" "8f09e07880054f39620c27d47fcb60ddb237db3e71619fc0496be3726ec7805c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f09e07880054f39620c27d47fcb60ddb237db3e71619fc0496be3726ec7805c", kill_on_drop: false }`
[INFO] [stdout] 8f09e07880054f39620c27d47fcb60ddb237db3e71619fc0496be3726ec7805c