[INFO] fetching crate minimal-id 0.8.0...
[INFO] testing minimal-id-0.8.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate minimal-id 0.8.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate minimal-id 0.8.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minimal-id 0.8.0
[INFO] finished tweaking crates.io crate minimal-id 0.8.0
[INFO] tweaked toml for crates.io crate minimal-id 0.8.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc6dfa29af437a42abc790d70e0cbe586f086abcd34de0735228aff472e9c730
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fc6dfa29af437a42abc790d70e0cbe586f086abcd34de0735228aff472e9c730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc6dfa29af437a42abc790d70e0cbe586f086abcd34de0735228aff472e9c730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc6dfa29af437a42abc790d70e0cbe586f086abcd34de0735228aff472e9c730", kill_on_drop: false }`
[INFO] [stdout] fc6dfa29af437a42abc790d70e0cbe586f086abcd34de0735228aff472e9c730
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28cdedc6c8ff82b430d5ef0c636b3d4a9baa4e171ce230f671344ed21c20bd40
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "28cdedc6c8ff82b430d5ef0c636b3d4a9baa4e171ce230f671344ed21c20bd40", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling byteorder v1.4.3
[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 minimal-id v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]   --> src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "28cdedc6c8ff82b430d5ef0c636b3d4a9baa4e171ce230f671344ed21c20bd40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28cdedc6c8ff82b430d5ef0c636b3d4a9baa4e171ce230f671344ed21c20bd40", kill_on_drop: false }`
[INFO] [stdout] 28cdedc6c8ff82b430d5ef0c636b3d4a9baa4e171ce230f671344ed21c20bd40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f3c465b38be3d2a7652a062d9bdc2b943f15d73d41e6bd89dfd4c7cb80afac8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5f3c465b38be3d2a7652a062d9bdc2b943f15d73d41e6bd89dfd4c7cb80afac8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling fsio v0.1.3
[INFO] [stderr]    Compiling nias v0.5.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]   --> src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling envmnt v0.8.4
[INFO] [stderr]    Compiling ci_info v0.10.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling rusty-hook v0.11.2
[INFO] [stderr]    Compiling minimal-id v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.34s
[INFO] running `Command { std: "docker" "inspect" "5f3c465b38be3d2a7652a062d9bdc2b943f15d73d41e6bd89dfd4c7cb80afac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f3c465b38be3d2a7652a062d9bdc2b943f15d73d41e6bd89dfd4c7cb80afac8", kill_on_drop: false }`
[INFO] [stdout] 5f3c465b38be3d2a7652a062d9bdc2b943f15d73d41e6bd89dfd4c7cb80afac8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 11a9e5073c031d4ead498e5d88c3cbf6eb88d68d1c57829331b45cc5bae6f3e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "11a9e5073c031d4ead498e5d88c3cbf6eb88d68d1c57829331b45cc5bae6f3e1", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::convert::TryFrom`
[INFO] [stderr]   --> src/lib.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use std::convert::TryFrom;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minimal_id-5cd8073bcc294b98)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test seed::tests::functional_seed_to_slice ... ok
[INFO] [stdout] test tests::functional_validate_collisions ... ignored
[INFO] [stdout] test tests::can_clone_minimal_id ... ok
[INFO] [stdout] test generator::tests::functional_test_generate_unique_ids ... ok
[INFO] [stdout] test tests::functional_serializes_to_encoded_string ... ok
[INFO] [stdout] test tests::acceptance_test_round_trip ... ok
[INFO] [stdout] test tests::minimal_id_fmt_display ... ok
[INFO] [stdout] test tests::minimal_id_into_string ... ok
[INFO] [stdout] test tests::str_slice_into_minimal_id ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minimal-id
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/seed.rs - seed::Seed::from_time (line 16) ... ok
[INFO] [stdout] test src/lib.rs - generator (line 11) ... ok
[INFO] [stdout] test src/generator.rs - generator::Generator (line 8) ... ok
[INFO] [stdout] test src/lib.rs - MinimalId::default (line 54) ... ok
[INFO] [stdout] test src/lib.rs - MinimalId::from_str (line 111) ... ok
[INFO] [stdout] test src/lib.rs - MinimalId (line 39) ... ok
[INFO] [stdout] test src/generator.rs - generator::Generator::id_from_str (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "11a9e5073c031d4ead498e5d88c3cbf6eb88d68d1c57829331b45cc5bae6f3e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11a9e5073c031d4ead498e5d88c3cbf6eb88d68d1c57829331b45cc5bae6f3e1", kill_on_drop: false }`
[INFO] [stdout] 11a9e5073c031d4ead498e5d88c3cbf6eb88d68d1c57829331b45cc5bae6f3e1