[INFO] fetching crate biscuit-auth 0.5.2...
[INFO] testing biscuit-auth-0.5.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate biscuit-auth 0.5.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate biscuit-auth 0.5.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate biscuit-auth 0.5.2
[INFO] finished tweaking crates.io crate biscuit-auth 0.5.2
[INFO] tweaked toml for crates.io crate biscuit-auth 0.5.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate biscuit-auth 0.5.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7fbf9d96e8fce8f0d9893448cf51bc6ab1e1c4a90c7431fec2c7f45f741cc32
[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" "a7fbf9d96e8fce8f0d9893448cf51bc6ab1e1c4a90c7431fec2c7f45f741cc32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7fbf9d96e8fce8f0d9893448cf51bc6ab1e1c4a90c7431fec2c7f45f741cc32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7fbf9d96e8fce8f0d9893448cf51bc6ab1e1c4a90c7431fec2c7f45f741cc32", kill_on_drop: false }`
[INFO] [stdout] a7fbf9d96e8fce8f0d9893448cf51bc6ab1e1c4a90c7431fec2c7f45f741cc32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--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] 5fcb0bb62318712779c77f1e11575fdc62250eb62708eeb4f44318d2847c1822
[INFO] running `Command { std: "docker" "start" "-a" "5fcb0bb62318712779c77f1e11575fdc62250eb62708eeb4f44318d2847c1822", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling biscuit-auth v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling curve25519-dalek v2.1.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stdout] warning: associated function is never used: `check`
[INFO] [stdout]    --> src/token/mod.rs:373:19
[INFO] [stdout]     |
[INFO] [stdout] 373 |     pub(crate) fn check(
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check`
[INFO] [stdout]    --> src/token/mod.rs:653:8
[INFO] [stdout]     |
[INFO] [stdout] 653 |     fn check(
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.86s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5fcb0bb62318712779c77f1e11575fdc62250eb62708eeb4f44318d2847c1822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fcb0bb62318712779c77f1e11575fdc62250eb62708eeb4f44318d2847c1822", kill_on_drop: false }`
[INFO] [stdout] 5fcb0bb62318712779c77f1e11575fdc62250eb62708eeb4f44318d2847c1822
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f787d943a69655ec1313afbd4ea4064b4c130912466d539f4d672ce54f238417
[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" "f787d943a69655ec1313afbd4ea4064b4c130912466d539f4d672ce54f238417", kill_on_drop: false }`
[INFO] [stderr]    Compiling biscuit-auth v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `check`
[INFO] [stdout]    --> src/token/mod.rs:373:19
[INFO] [stdout]     |
[INFO] [stdout] 373 |     pub(crate) fn check(
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check`
[INFO] [stdout]    --> src/token/mod.rs:653:8
[INFO] [stdout]     |
[INFO] [stdout] 653 |     fn check(
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check`
[INFO] [stdout]    --> src/token/mod.rs:653:8
[INFO] [stdout]     |
[INFO] [stdout] 653 |     fn check(
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/token/mod.rs:1177:9
[INFO] [stdout]      |
[INFO] [stdout] 1177 | /         builder.add_authority_caveat(rule(
[INFO] [stdout] 1178 | |             "caveat1",
[INFO] [stdout] 1179 | |             &[s("test")],
[INFO] [stdout] 1180 | |             &[
[INFO] [stdout] 1181 | |                 pred("resource", &[s("ambient"), s("hello")]),
[INFO] [stdout] 1182 | |             ],
[INFO] [stdout] 1183 | |         ));
[INFO] [stdout]      | |___________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.11s
[INFO] running `Command { std: "docker" "inspect" "f787d943a69655ec1313afbd4ea4064b4c130912466d539f4d672ce54f238417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f787d943a69655ec1313afbd4ea4064b4c130912466d539f4d672ce54f238417", kill_on_drop: false }`
[INFO] [stdout] f787d943a69655ec1313afbd4ea4064b4c130912466d539f4d672ce54f238417
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7e7e3afbf24825f83a0c510d5305cca735d6988d7d6326e1e3eccd5f1c847f0b
[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" "7e7e3afbf24825f83a0c510d5305cca735d6988d7d6326e1e3eccd5f1c847f0b", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `check`
[INFO] [stderr]    --> src/token/mod.rs:373:19
[INFO] [stderr]     |
[INFO] [stderr] 373 |     pub(crate) fn check(
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `check`
[INFO] [stderr]    --> src/token/mod.rs:653:8
[INFO] [stderr]     |
[INFO] [stderr] 653 |     fn check(
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `check`
[INFO] [stderr]    --> src/token/mod.rs:653:8
[INFO] [stderr]     |
[INFO] [stderr] 653 |     fn check(
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/token/mod.rs:1177:9
[INFO] [stderr]      |
[INFO] [stderr] 1177 | /         builder.add_authority_caveat(rule(
[INFO] [stderr] 1178 | |             "caveat1",
[INFO] [stderr] 1179 | |             &[s("test")],
[INFO] [stderr] 1180 | |             &[
[INFO] [stderr] 1181 | |                 pred("resource", &[s("ambient"), s("hello")]),
[INFO] [stderr] 1182 | |             ],
[INFO] [stderr] 1183 | |         ));
[INFO] [stderr]      | |___________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/biscuit_auth-1d9fde51bd98a900
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test crypto::tests::basic_signature ... ok
[INFO] [stdout] test datalog::tests::resource ... ok
[INFO] [stdout] test crypto::tests::three_messages ... ok
[INFO] [stdout] test parser::tests::constrained_rule ... ok
[INFO] [stdout] test datalog::tests::numbers ... ok
[INFO] [stdout] test datalog::tests::str ... ok
[INFO] [stdout] test datalog::tests::set_constraint ... ok
[INFO] [stdout] test crypto::tests::change_message ... ok
[INFO] [stdout] test parser::tests::integer ... ok
[INFO] [stdout] test datalog::tests::family ... ok
[INFO] [stdout] test parser::tests::fact ... ok
[INFO] [stdout] test parser::tests::date ... ok
[INFO] [stdout] test datalog::tests::date_constraint ... ok
[INFO] [stdout] test parser::tests::constraint ... ok
[INFO] [stdout] test parser::tests::symbol ... ok
[INFO] [stdout] test parser::tests::string ... ok
[INFO] [stdout] test token::tests::verif_no_blocks ... ok
[INFO] [stdout] test parser::tests::name ... ok
[INFO] [stdout] test parser::tests::rule ... ok
[INFO] [stdout] test parser::tests::variable ... ok
[INFO] [stdout] test token::tests::verifier_queries ... ok
[INFO] [stdout] test token::tests::constraints ... ok
[INFO] [stdout] test token::tests::caveat_requires_fact_in_future_block ... ok
[INFO] [stdout] test token::tests::folders ... ok
[INFO] [stdout] test token::tests::sealed_token ... ok
[INFO] [stdout] test token::tests::caveat_head_name ... ok
[INFO] [stdout] test token::tests::basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rights-1c1accc93dd44f0d
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests biscuit-auth
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/token/mod.rs - token::Biscuit (line 38) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7e7e3afbf24825f83a0c510d5305cca735d6988d7d6326e1e3eccd5f1c847f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e7e3afbf24825f83a0c510d5305cca735d6988d7d6326e1e3eccd5f1c847f0b", kill_on_drop: false }`
[INFO] [stdout] 7e7e3afbf24825f83a0c510d5305cca735d6988d7d6326e1e3eccd5f1c847f0b