[INFO] fetching crate activities 0.1.0...
[INFO] testing activities-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate activities 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate activities 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate activities 0.1.0
[INFO] finished tweaking crates.io crate activities 0.1.0
[INFO] tweaked toml for crates.io crate activities 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate activities 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fa8f586e5a6b91165dd6522087d39ea08cb35c9c7e149a9b5bf7e368f89028cf
[INFO] running `Command { std: "docker" "start" "-a" "fa8f586e5a6b91165dd6522087d39ea08cb35c9c7e149a9b5bf7e368f89028cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa8f586e5a6b91165dd6522087d39ea08cb35c9c7e149a9b5bf7e368f89028cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa8f586e5a6b91165dd6522087d39ea08cb35c9c7e149a9b5bf7e368f89028cf", kill_on_drop: false }`
[INFO] [stdout] fa8f586e5a6b91165dd6522087d39ea08cb35c9c7e149a9b5bf7e368f89028cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 606ac22b252f10f8b89ecb2ed1fdd21b20a9be5a7b93f8a19620d0877c28bfa0
[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" "606ac22b252f10f8b89ecb2ed1fdd21b20a9be5a7b93f8a19620d0877c28bfa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling inventory v0.1.6
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling isolang v1.0.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling ctor v0.1.13
[INFO] [stderr]    Compiling inventory-impl v0.1.6
[INFO] [stderr]    Compiling typetag-impl v0.1.4
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling erased-serde v0.3.11
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling typetag v0.1.4
[INFO] [stderr]    Compiling activities v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `OrderedCollection`
[INFO] [stdout]  --> src/collection/ordered.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct OrderedCollection {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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 1m 32s
[INFO] running `Command { std: "docker" "inspect" "606ac22b252f10f8b89ecb2ed1fdd21b20a9be5a7b93f8a19620d0877c28bfa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "606ac22b252f10f8b89ecb2ed1fdd21b20a9be5a7b93f8a19620d0877c28bfa0", kill_on_drop: false }`
[INFO] [stdout] 606ac22b252f10f8b89ecb2ed1fdd21b20a9be5a7b93f8a19620d0877c28bfa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 01aae8a1f1139b267d2908cd32c33ac1ad7843dd614b75c00b90bddc550cabc5
[INFO] running `Command { std: "docker" "start" "-a" "01aae8a1f1139b267d2908cd32c33ac1ad7843dd614b75c00b90bddc550cabc5", kill_on_drop: false }`
[INFO] [stdout] warning: struct is never constructed: `OrderedCollection`
[INFO] [stdout]  --> src/collection/ordered.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct OrderedCollection {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling activities v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `OrderedCollection`
[INFO] [stdout]  --> src/collection/ordered.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct OrderedCollection {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.08s
[INFO] running `Command { std: "docker" "inspect" "01aae8a1f1139b267d2908cd32c33ac1ad7843dd614b75c00b90bddc550cabc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01aae8a1f1139b267d2908cd32c33ac1ad7843dd614b75c00b90bddc550cabc5", kill_on_drop: false }`
[INFO] [stdout] 01aae8a1f1139b267d2908cd32c33ac1ad7843dd614b75c00b90bddc550cabc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ce607a7eb493b6f360451fee3d7d7b03192edaa0154c6b598b224e5946d9fd32
[INFO] running `Command { std: "docker" "start" "-a" "ce607a7eb493b6f360451fee3d7d7b03192edaa0154c6b598b224e5946d9fd32", kill_on_drop: false }`
[INFO] [stderr] warning: struct is never constructed: `OrderedCollection`
[INFO] [stderr]  --> src/collection/ordered.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct OrderedCollection {}
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `activities` (lib) generated 1 warning
[INFO] [stderr] warning: `activities` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/activities-891a7b5516d8a93f)
[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 unittests (/opt/rustwide/target/debug/deps/activities-f6f81be53b9d46d8)
[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 activities
[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" "ce607a7eb493b6f360451fee3d7d7b03192edaa0154c6b598b224e5946d9fd32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce607a7eb493b6f360451fee3d7d7b03192edaa0154c6b598b224e5946d9fd32", kill_on_drop: false }`
[INFO] [stdout] ce607a7eb493b6f360451fee3d7d7b03192edaa0154c6b598b224e5946d9fd32