[INFO] fetching crate snarky-parrot 0.2.0...
[INFO] testing snarky-parrot-0.2.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate snarky-parrot 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate snarky-parrot 0.2.0
[INFO] finished tweaking crates.io crate snarky-parrot 0.2.0
[INFO] tweaked toml for crates.io crate snarky-parrot 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate snarky-parrot 0.2.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate snarky-parrot 0.2.0 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.29
[INFO] [stderr]   Downloaded thiserror v1.0.28
[INFO] [stderr]   Downloaded thiserror-impl v1.0.28
[INFO] [stderr]   Downloaded rand_hc v0.3.1
[INFO] [stderr]   Downloaded rand_core v0.6.3
[INFO] [stderr]   Downloaded rand v0.8.4
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.10
[INFO] [stderr]   Downloaded syn v1.0.75
[INFO] [stderr]   Downloaded libc v0.2.101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 970420c741d9bbeeb59a3d99e260b9e6fde6c05e24711e4a4acf33c819f359fa
[INFO] running `Command { std: "docker" "start" "-a" "970420c741d9bbeeb59a3d99e260b9e6fde6c05e24711e4a4acf33c819f359fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "970420c741d9bbeeb59a3d99e260b9e6fde6c05e24711e4a4acf33c819f359fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "970420c741d9bbeeb59a3d99e260b9e6fde6c05e24711e4a4acf33c819f359fa", kill_on_drop: false }`
[INFO] [stdout] 970420c741d9bbeeb59a3d99e260b9e6fde6c05e24711e4a4acf33c819f359fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 602d2293bf30637b5144940a23c2e058fc3c3eb70bbaf783c3cbc9f628c024d2
[INFO] running `Command { std: "docker" "start" "-a" "602d2293bf30637b5144940a23c2e058fc3c3eb70bbaf783c3cbc9f628c024d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.28
[INFO] [stderr]    Compiling thiserror v1.0.28
[INFO] [stderr]    Compiling snarky-parrot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/lib.rs:9:41
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn generate_rule_from_data(content: &str, key_size: usize) -> Result<MarkovChainRule, Error> {
[INFO] [stdout]   |                                         ^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 9 | pub fn generate_rule_from_data(content: &str, key_size: usize) -> Result<MarkovChainRule<'_>, Error> {
[INFO] [stdout]   |                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.15s
[INFO] running `Command { std: "docker" "inspect" "602d2293bf30637b5144940a23c2e058fc3c3eb70bbaf783c3cbc9f628c024d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "602d2293bf30637b5144940a23c2e058fc3c3eb70bbaf783c3cbc9f628c024d2", kill_on_drop: false }`
[INFO] [stdout] 602d2293bf30637b5144940a23c2e058fc3c3eb70bbaf783c3cbc9f628c024d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c350ad6f83b2cef88cef6d62b9cb947797bd1b2ab93333c754d67d01520722d
[INFO] running `Command { std: "docker" "start" "-a" "6c350ad6f83b2cef88cef6d62b9cb947797bd1b2ab93333c754d67d01520722d", kill_on_drop: false }`
[INFO] [stderr]    Compiling snarky-parrot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/lib.rs:9:41
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn generate_rule_from_data(content: &str, key_size: usize) -> Result<MarkovChainRule, Error> {
[INFO] [stdout]   |                                         ^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 9 | pub fn generate_rule_from_data(content: &str, key_size: usize) -> Result<MarkovChainRule<'_>, Error> {
[INFO] [stdout]   |                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/lib.rs:9:41
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn generate_rule_from_data(content: &str, key_size: usize) -> Result<MarkovChainRule, Error> {
[INFO] [stdout]   |                                         ^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 9 | pub fn generate_rule_from_data(content: &str, key_size: usize) -> Result<MarkovChainRule<'_>, Error> {
[INFO] [stdout]   |                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "6c350ad6f83b2cef88cef6d62b9cb947797bd1b2ab93333c754d67d01520722d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c350ad6f83b2cef88cef6d62b9cb947797bd1b2ab93333c754d67d01520722d", kill_on_drop: false }`
[INFO] [stdout] 6c350ad6f83b2cef88cef6d62b9cb947797bd1b2ab93333c754d67d01520722d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1f03290bdf413354bfd75997495946ff070c274fba9faa9f7619042c306181ad
[INFO] running `Command { std: "docker" "start" "-a" "1f03290bdf413354bfd75997495946ff070c274fba9faa9f7619042c306181ad", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]  --> src/lib.rs:9:41
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn generate_rule_from_data(content: &str, key_size: usize) -> Result<MarkovChainRule, Error> {
[INFO] [stderr]   |                                         ^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 9 | pub fn generate_rule_from_data(content: &str, key_size: usize) -> Result<MarkovChainRule<'_>, Error> {
[INFO] [stderr]   |                                                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `snarky-parrot` (lib) generated 1 warning (run `cargo fix --lib -p snarky-parrot` to apply 1 suggestion)
[INFO] [stderr] warning: `snarky-parrot` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/snarky_parrot-3d15825bb117f3c3)
[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]    Doc-tests snarky_parrot
[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" "1f03290bdf413354bfd75997495946ff070c274fba9faa9f7619042c306181ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f03290bdf413354bfd75997495946ff070c274fba9faa9f7619042c306181ad", kill_on_drop: false }`
[INFO] [stdout] 1f03290bdf413354bfd75997495946ff070c274fba9faa9f7619042c306181ad
