[INFO] fetching crate contraband_codegen 0.1.2...
[INFO] checking contraband_codegen-0.1.2 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate contraband_codegen 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate contraband_codegen 0.1.2 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 contraband_codegen 0.1.2
[INFO] finished tweaking crates.io crate contraband_codegen 0.1.2
[INFO] tweaked toml for crates.io crate contraband_codegen 0.1.2 written to /workspace/builds/worker-1/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] 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-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" "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] 74c704e8a123b2d29f76d13000554448c91aa26e1c2a8876c1c28f0d82399a5b
[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" "74c704e8a123b2d29f76d13000554448c91aa26e1c2a8876c1c28f0d82399a5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74c704e8a123b2d29f76d13000554448c91aa26e1c2a8876c1c28f0d82399a5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74c704e8a123b2d29f76d13000554448c91aa26e1c2a8876c1c28f0d82399a5b", kill_on_drop: false }`
[INFO] [stdout] 74c704e8a123b2d29f76d13000554448c91aa26e1c2a8876c1c28f0d82399a5b
[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" "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] bf93813bf19a9539cdd9b6159ac051d31195b16771f0914ee0fe2bdb57c6ba87
[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" "bf93813bf19a9539cdd9b6159ac051d31195b16771f0914ee0fe2bdb57c6ba87", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking proc-macro2 v1.0.26
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]     Checking actix-threadpool v0.3.3
[INFO] [stderr]     Checking actix-rt v1.1.1
[INFO] [stderr]     Checking contraband_codegen v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.55s
[INFO] running `Command { std: "docker" "inspect" "bf93813bf19a9539cdd9b6159ac051d31195b16771f0914ee0fe2bdb57c6ba87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf93813bf19a9539cdd9b6159ac051d31195b16771f0914ee0fe2bdb57c6ba87", kill_on_drop: false }`
[INFO] [stdout] bf93813bf19a9539cdd9b6159ac051d31195b16771f0914ee0fe2bdb57c6ba87