[INFO] fetching crate mcf 0.1.0...
[INFO] testing mcf-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate mcf 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mcf 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mcf 0.1.0
[INFO] tweaked toml for crates.io crate mcf 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcf 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mcf 0.1.0 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3456c813fb519c4904c7907ad773e693d52a895a82cf5f5db9dcce96ca2a3b96
[INFO] running `Command { std: "docker" "start" "-a" "3456c813fb519c4904c7907ad773e693d52a895a82cf5f5db9dcce96ca2a3b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3456c813fb519c4904c7907ad773e693d52a895a82cf5f5db9dcce96ca2a3b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3456c813fb519c4904c7907ad773e693d52a895a82cf5f5db9dcce96ca2a3b96", kill_on_drop: false }`
[INFO] [stdout] 3456c813fb519c4904c7907ad773e693d52a895a82cf5f5db9dcce96ca2a3b96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5920fc8a1d38ec288def609373a81ebd25fce8d250289d5bf15a7e6f8bdf3a5
[INFO] running `Command { std: "docker" "start" "-a" "d5920fc8a1d38ec288def609373a81ebd25fce8d250289d5bf15a7e6f8bdf3a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling base64ct v1.8.0
[INFO] [stderr]    Compiling mcf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:125:28
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn as_mcf_hash_ref(&self) -> McfHashRef {
[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] 125 |     pub fn as_mcf_hash_ref(&self) -> McfHashRef<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:136:19
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn fields(&self) -> Fields {
[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] 136 |     pub fn fields(&self) -> Fields<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "d5920fc8a1d38ec288def609373a81ebd25fce8d250289d5bf15a7e6f8bdf3a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5920fc8a1d38ec288def609373a81ebd25fce8d250289d5bf15a7e6f8bdf3a5", kill_on_drop: false }`
[INFO] [stdout] d5920fc8a1d38ec288def609373a81ebd25fce8d250289d5bf15a7e6f8bdf3a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e63b8d2fa485308ac2b37fc06b631af4cacf15d09e785a231684ec8d013b2316
[INFO] running `Command { std: "docker" "start" "-a" "e63b8d2fa485308ac2b37fc06b631af4cacf15d09e785a231684ec8d013b2316", kill_on_drop: false }`
[INFO] [stderr]    Compiling hex-literal v1.0.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:125:28
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn as_mcf_hash_ref(&self) -> McfHashRef {
[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] 125 |     pub fn as_mcf_hash_ref(&self) -> McfHashRef<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:136:19
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn fields(&self) -> Fields {
[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] 136 |     pub fn fields(&self) -> Fields<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mcf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:125:28
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn as_mcf_hash_ref(&self) -> McfHashRef {
[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] 125 |     pub fn as_mcf_hash_ref(&self) -> McfHashRef<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:136:19
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn fields(&self) -> Fields {
[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] 136 |     pub fn fields(&self) -> Fields<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "e63b8d2fa485308ac2b37fc06b631af4cacf15d09e785a231684ec8d013b2316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e63b8d2fa485308ac2b37fc06b631af4cacf15d09e785a231684ec8d013b2316", kill_on_drop: false }`
[INFO] [stdout] e63b8d2fa485308ac2b37fc06b631af4cacf15d09e785a231684ec8d013b2316
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b837977297ae3d54738410f8c7b0122d40562071defe297b81568ccab3cca47f
[INFO] running `Command { std: "docker" "start" "-a" "b837977297ae3d54738410f8c7b0122d40562071defe297b81568ccab3cca47f", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:125:28
[INFO] [stderr]     |
[INFO] [stderr] 125 |     pub fn as_mcf_hash_ref(&self) -> McfHashRef {
[INFO] [stderr]     |                            ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                            |
[INFO] [stderr]     |                            the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 125 |     pub fn as_mcf_hash_ref(&self) -> McfHashRef<'_> {
[INFO] [stderr]     |                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:136:19
[INFO] [stderr]     |
[INFO] [stderr] 136 |     pub fn fields(&self) -> Fields {
[INFO] [stderr]     |                   ^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 136 |     pub fn fields(&self) -> Fields<'_> {
[INFO] [stderr]     |                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mcf` (lib) generated 2 warnings (run `cargo fix --lib -p mcf` to apply 2 suggestions)
[INFO] [stderr] warning: `mcf` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcf-daca0c75cedec37a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mcf.rs (/opt/rustwide/target/debug/deps/mcf-d2ea4e98563d8fb8)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test parse_id_only ... ok
[INFO] [stdout] test push_fields ... ok
[INFO] [stdout] test parse_malformed ... ok
[INFO] [stdout] test parse_sha512_hash ... ok
[INFO] [stdout] test from_id ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mcf
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b837977297ae3d54738410f8c7b0122d40562071defe297b81568ccab3cca47f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b837977297ae3d54738410f8c7b0122d40562071defe297b81568ccab3cca47f", kill_on_drop: false }`
[INFO] [stdout] b837977297ae3d54738410f8c7b0122d40562071defe297b81568ccab3cca47f