[INFO] cloning repository https://github.com/logankeenan/web-worker-fun
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/logankeenan/web-worker-fun" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flogankeenan%2Fweb-worker-fun", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flogankeenan%2Fweb-worker-fun'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c7e46f9372027d01f9c57ee04df25a594d8ae0e
[INFO] checking logankeenan/web-worker-fun against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flogankeenan%2Fweb-worker-fun" "/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/logankeenan/web-worker-fun on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/logankeenan/web-worker-fun
[INFO] finished tweaking git repo https://github.com/logankeenan/web-worker-fun
[INFO] tweaked toml for git repo https://github.com/logankeenan/web-worker-fun written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/logankeenan/web-worker-fun already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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 futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded comrak v0.6.2
[INFO] [stderr]   Downloaded tracing-core v0.1.9
[INFO] [stderr]   Downloaded tokio-fs v0.2.0-alpha.6
[INFO] [stderr]   Downloaded basic-http-server v0.8.1
[INFO] [stderr]   Downloaded tracing v0.1.12
[INFO] [stderr]   Downloaded tracing-attributes v0.1.6
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 254f70f5c89c77a8263bc5a392f95a8634aefaaf30684cf1768a19b0576e6735
[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" "254f70f5c89c77a8263bc5a392f95a8634aefaaf30684cf1768a19b0576e6735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "254f70f5c89c77a8263bc5a392f95a8634aefaaf30684cf1768a19b0576e6735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "254f70f5c89c77a8263bc5a392f95a8634aefaaf30684cf1768a19b0576e6735", kill_on_drop: false }`
[INFO] [stdout] 254f70f5c89c77a8263bc5a392f95a8634aefaaf30684cf1768a19b0576e6735
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5c5faad41e121e3bbe3d36b9e6cc2943a589dc58328e0bcfd72fd7ddc1c48ce
[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" "e5c5faad41e121e3bbe3d36b9e6cc2943a589dc58328e0bcfd72fd7ddc1c48ce", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   byteorder v1.3.4 (as host dependency): default, std
[INFO] [stderr]   syn v1.0.15 (as host dependency): extra-traits
[INFO] [stderr]   tokio-executor v0.2.0-alpha.6: tracing
[INFO] [stderr]   tokio-net v0.2.0-alpha.6: tracing
[INFO] [stderr] 
[INFO] [stderr]     Checking web-worker-fun v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking web-worker-fun v0.1.0 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "e5c5faad41e121e3bbe3d36b9e6cc2943a589dc58328e0bcfd72fd7ddc1c48ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c5faad41e121e3bbe3d36b9e6cc2943a589dc58328e0bcfd72fd7ddc1c48ce", kill_on_drop: false }`
[INFO] [stdout] e5c5faad41e121e3bbe3d36b9e6cc2943a589dc58328e0bcfd72fd7ddc1c48ce