[INFO] cloning repository https://github.com/deverton/rdedup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deverton/rdedup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeverton%2Frdedup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeverton%2Frdedup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27bcbe7fcbd31c00749298dd699f94167586bf06
[INFO] checking deverton/rdedup against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeverton%2Frdedup" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/deverton/rdedup on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/deverton/rdedup
[INFO] finished tweaking git repo https://github.com/deverton/rdedup
[INFO] tweaked toml for git repo https://github.com/deverton/rdedup written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/deverton/rdedup already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strsim v0.9.1
[INFO] [stderr]   Downloaded bitflags v1.0.5
[INFO] [stderr]   Downloaded img_hash v2.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51aabffdb6704511d012190ee8b7531f694be5e7380892f9f65e5102a1b9e09d
[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" "51aabffdb6704511d012190ee8b7531f694be5e7380892f9f65e5102a1b9e09d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51aabffdb6704511d012190ee8b7531f694be5e7380892f9f65e5102a1b9e09d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51aabffdb6704511d012190ee8b7531f694be5e7380892f9f65e5102a1b9e09d", kill_on_drop: false }`
[INFO] [stdout] 51aabffdb6704511d012190ee8b7531f694be5e7380892f9f65e5102a1b9e09d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 656b9c1fcdda144e4e351c59e570d7940011e457dc04890b35a06855fb8279af
[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" "656b9c1fcdda144e4e351c59e570d7940011e457dc04890b35a06855fb8279af", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling bitflags v1.0.5
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]     Checking num-complex v0.2.1
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking regex v1.1.6
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking strsim v0.9.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking img_hash v2.1.0
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking rdedup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.60s
[INFO] running `Command { std: "docker" "inspect" "656b9c1fcdda144e4e351c59e570d7940011e457dc04890b35a06855fb8279af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "656b9c1fcdda144e4e351c59e570d7940011e457dc04890b35a06855fb8279af", kill_on_drop: false }`
[INFO] [stdout] 656b9c1fcdda144e4e351c59e570d7940011e457dc04890b35a06855fb8279af