[INFO] fetching crate arithmetic 2.0.1...
[INFO] checking arithmetic-2.0.1 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate arithmetic 2.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate arithmetic 2.0.1 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arithmetic 2.0.1
[INFO] finished tweaking crates.io crate arithmetic 2.0.1
[INFO] tweaked toml for crates.io crate arithmetic 2.0.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fe685f09c930e13c498dd70154866309355b5df068be82321ce0e17915f1386
[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" "7fe685f09c930e13c498dd70154866309355b5df068be82321ce0e17915f1386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fe685f09c930e13c498dd70154866309355b5df068be82321ce0e17915f1386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fe685f09c930e13c498dd70154866309355b5df068be82321ce0e17915f1386", kill_on_drop: false }`
[INFO] [stdout] 7fe685f09c930e13c498dd70154866309355b5df068be82321ce0e17915f1386
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e5dba5438ea4949b8fcc9d35b2e89f40b75d1067b1e0339c2de36afc1a37ca6
[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" "5e5dba5438ea4949b8fcc9d35b2e89f40b75d1067b1e0339c2de36afc1a37ca6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking byte-slice-cast v1.0.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking tetcore-std v2.0.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking uint-crate v0.9.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bitvec v0.20.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking tetsy-fixed-hash v0.7.0
[INFO] [stderr]    Compiling debug-derive v2.0.2
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling tetsy-scale-codec-derive v2.0.1
[INFO] [stderr]     Checking tetsy-scale-codec v2.0.1
[INFO] [stderr]     Checking tetsy-impl-codec v0.5.0
[INFO] [stderr]     Checking arithmetic v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tetsy-primitive-types v0.9.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.59s
[INFO] running `Command { std: "docker" "inspect" "5e5dba5438ea4949b8fcc9d35b2e89f40b75d1067b1e0339c2de36afc1a37ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e5dba5438ea4949b8fcc9d35b2e89f40b75d1067b1e0339c2de36afc1a37ca6", kill_on_drop: false }`
[INFO] [stdout] 5e5dba5438ea4949b8fcc9d35b2e89f40b75d1067b1e0339c2de36afc1a37ca6