[INFO] fetching crate ruma-signatures 0.7.0...
[INFO] checking ruma-signatures-0.7.0 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate ruma-signatures 0.7.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ruma-signatures 0.7.0 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruma-signatures 0.7.0
[INFO] finished tweaking crates.io crate ruma-signatures 0.7.0
[INFO] tweaked toml for crates.io crate ruma-signatures 0.7.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ruma-identifiers-validation v0.3.0
[INFO] [stderr]   Downloaded ruma-identifiers-macros v0.19.1
[INFO] [stderr]   Downloaded ruma-identifiers v0.19.1
[INFO] [stderr]   Downloaded ruma-serde v0.4.0
[INFO] [stderr]   Downloaded ruma-serde-macros v0.4.0
[INFO] [stderr]   Downloaded proc-macro-crate v1.0.0
[INFO] [stderr]   Downloaded ruma-serde-macros v0.3.2
[INFO] [stderr]   Downloaded ruma-serde v0.3.2
[INFO] [stderr]   Downloaded js_int v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bbd178bbb56bcea886c07cc11fdb50a719f176cbd69b98bdc4e590fad3ca971
[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" "1bbd178bbb56bcea886c07cc11fdb50a719f176cbd69b98bdc4e590fad3ca971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bbd178bbb56bcea886c07cc11fdb50a719f176cbd69b98bdc4e590fad3ca971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bbd178bbb56bcea886c07cc11fdb50a719f176cbd69b98bdc4e590fad3ca971", kill_on_drop: false }`
[INFO] [stdout] 1bbd178bbb56bcea886c07cc11fdb50a719f176cbd69b98bdc4e590fad3ca971
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81de558733afd59d6f0288a769fc345a247402990079fdec9395cdc21ac85876
[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" "81de558733afd59d6f0288a769fc345a247402990079fdec9395cdc21ac85876", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling ruma-identifiers-validation v0.3.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling ruma-identifiers-macros v0.19.1
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]     Checking js_int v0.2.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling ruma-serde-macros v0.4.0
[INFO] [stderr]    Compiling ruma-serde-macros v0.3.2
[INFO] [stderr]     Checking ruma-serde v0.3.2
[INFO] [stderr]     Checking ruma-serde v0.4.0
[INFO] [stderr]     Checking ruma-identifiers v0.19.1
[INFO] [stderr]     Checking ruma-signatures v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "81de558733afd59d6f0288a769fc345a247402990079fdec9395cdc21ac85876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81de558733afd59d6f0288a769fc345a247402990079fdec9395cdc21ac85876", kill_on_drop: false }`
[INFO] [stdout] 81de558733afd59d6f0288a769fc345a247402990079fdec9395cdc21ac85876