[INFO] cloning repository https://github.com/sinistersnare/SchemeContinuations
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sinistersnare/SchemeContinuations" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinistersnare%2FSchemeContinuations", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinistersnare%2FSchemeContinuations'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4505743e2d60a0642d7f45c96fa1c094113c768b
[INFO] checking sinistersnare/SchemeContinuations against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinistersnare%2FSchemeContinuations" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sinistersnare/SchemeContinuations on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sinistersnare/SchemeContinuations
[INFO] finished tweaking git repo https://github.com/sinistersnare/SchemeContinuations
[INFO] tweaked toml for git repo https://github.com/sinistersnare/SchemeContinuations written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/sinistersnare/SchemeContinuations already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--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 hashbrown v0.8.1
[INFO] [stderr]   Downloaded ahash v0.3.8
[INFO] [stderr]   Downloaded lasso v0.3.1
[INFO] [stderr]   Downloaded im v15.0.0
[INFO] [stderr]   Downloaded bitmaps v2.1.0
[INFO] [stderr]   Downloaded generational-arena v0.2.8
[INFO] [stderr]   Downloaded rand_xoshiro v0.4.0
[INFO] [stderr]   Downloaded sized-chunks v0.6.2
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7a8ab70c1de411f7a1175f4bdb4c0771057d1b1a0e2fdc33693b7440a0b9a6f
[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" "d7a8ab70c1de411f7a1175f4bdb4c0771057d1b1a0e2fdc33693b7440a0b9a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7a8ab70c1de411f7a1175f4bdb4c0771057d1b1a0e2fdc33693b7440a0b9a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7a8ab70c1de411f7a1175f4bdb4c0771057d1b1a0e2fdc33693b7440a0b9a6f", kill_on_drop: false }`
[INFO] [stdout] d7a8ab70c1de411f7a1175f4bdb4c0771057d1b1a0e2fdc33693b7440a0b9a6f
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0fddab0fa6396aada5eae00f0e9201b5918268bc97d951cf9fcc3e2e0b6edc2
[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" "a0fddab0fa6396aada5eae00f0e9201b5918268bc97d951cf9fcc3e2e0b6edc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking lasso v0.3.1
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]     Checking continuations v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.69s
[INFO] running `Command { std: "docker" "inspect" "a0fddab0fa6396aada5eae00f0e9201b5918268bc97d951cf9fcc3e2e0b6edc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0fddab0fa6396aada5eae00f0e9201b5918268bc97d951cf9fcc3e2e0b6edc2", kill_on_drop: false }`
[INFO] [stdout] a0fddab0fa6396aada5eae00f0e9201b5918268bc97d951cf9fcc3e2e0b6edc2