[INFO] fetching crate icicle 0.1.1...
[INFO] checking icicle-0.1.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate icicle 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate icicle 0.1.1
[INFO] finished tweaking crates.io crate icicle 0.1.1
[INFO] tweaked toml for crates.io crate icicle 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate icicle 0.1.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate icicle 0.1.1 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b4974920be836f4475e64ec1ea85461e001e4b3d78b5b9b1b0a5d2fc0823695
[INFO] running `Command { std: "docker" "start" "-a" "4b4974920be836f4475e64ec1ea85461e001e4b3d78b5b9b1b0a5d2fc0823695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b4974920be836f4475e64ec1ea85461e001e4b3d78b5b9b1b0a5d2fc0823695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b4974920be836f4475e64ec1ea85461e001e4b3d78b5b9b1b0a5d2fc0823695", kill_on_drop: false }`
[INFO] [stdout] 4b4974920be836f4475e64ec1ea85461e001e4b3d78b5b9b1b0a5d2fc0823695
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c0b96eec2ebc2112ab1088bc0689ad7e5d637c0b6e52b8efef00cc5618a48d7
[INFO] running `Command { std: "docker" "start" "-a" "7c0b96eec2ebc2112ab1088bc0689ad7e5d637c0b6e52b8efef00cc5618a48d7", kill_on_drop: false }`
[INFO] [stderr]     Checking icicle v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/args.rs:206:17
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn iter(&self) -> Iter<String> {
[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] 206 |     pub fn iter(&self) -> Iter<'_, String> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/args.rs:211:21
[INFO] [stdout]     |
[INFO] [stdout] 211 |     pub fn iter_opt(&self) -> MapIter<String, String> {
[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] 211 |     pub fn iter_opt(&self) -> MapIter<'_, String, String> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/args.rs:216:21
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub fn iter_mut(&mut self) -> IterMut<String> {
[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] 216 |     pub fn iter_mut(&mut self) -> IterMut<'_, String> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/args.rs:221:25
[INFO] [stdout]     |
[INFO] [stdout] 221 |     pub fn iter_mut_opt(&mut self) -> MapIterMut<String, String> {
[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] 221 |     pub fn iter_mut_opt(&mut self) -> MapIterMut<'_, String, String> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/args.rs:206:17
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn iter(&self) -> Iter<String> {
[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] 206 |     pub fn iter(&self) -> Iter<'_, String> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/args.rs:211:21
[INFO] [stdout]     |
[INFO] [stdout] 211 |     pub fn iter_opt(&self) -> MapIter<String, String> {
[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] 211 |     pub fn iter_opt(&self) -> MapIter<'_, String, String> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/args.rs:216:21
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub fn iter_mut(&mut self) -> IterMut<String> {
[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] 216 |     pub fn iter_mut(&mut self) -> IterMut<'_, String> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/args.rs:221:25
[INFO] [stdout]     |
[INFO] [stdout] 221 |     pub fn iter_mut_opt(&mut self) -> MapIterMut<String, String> {
[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] 221 |     pub fn iter_mut_opt(&mut self) -> MapIterMut<'_, String, String> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "7c0b96eec2ebc2112ab1088bc0689ad7e5d637c0b6e52b8efef00cc5618a48d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c0b96eec2ebc2112ab1088bc0689ad7e5d637c0b6e52b8efef00cc5618a48d7", kill_on_drop: false }`
[INFO] [stdout] 7c0b96eec2ebc2112ab1088bc0689ad7e5d637c0b6e52b8efef00cc5618a48d7