[INFO] cloning repository https://github.com/mbutler/hello-wasm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mbutler/hello-wasm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbutler%2Fhello-wasm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbutler%2Fhello-wasm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8299eb78c899e23492a4b346540484a34c9ff6b
[INFO] checking mbutler/hello-wasm against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbutler%2Fhello-wasm" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  77% (138/178)   
Checking out files:  78% (139/178)   
Checking out files:  79% (141/178)   
Checking out files:  80% (143/178)   
Checking out files:  81% (145/178)   
Checking out files:  82% (146/178)   
Checking out files:  83% (148/178)   
Checking out files:  84% (150/178)   
Checking out files:  85% (152/178)   
Checking out files:  86% (154/178)   
Checking out files:  87% (155/178)   
Checking out files:  88% (157/178)   
Checking out files:  89% (159/178)   
Checking out files:  90% (161/178)   
Checking out files:  91% (162/178)   
Checking out files:  92% (164/178)   
Checking out files:  93% (166/178)   
Checking out files:  94% (168/178)   
Checking out files:  95% (170/178)   
Checking out files:  96% (171/178)   
Checking out files:  97% (173/178)   
Checking out files:  98% (175/178)   
Checking out files:  99% (177/178)   
Checking out files: 100% (178/178)   
Checking out files: 100% (178/178), done.
[INFO] validating manifest of git repo https://github.com/mbutler/hello-wasm on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mbutler/hello-wasm
[INFO] finished tweaking git repo https://github.com/mbutler/hello-wasm
[INFO] tweaked toml for git repo https://github.com/mbutler/hello-wasm written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mbutler/hello-wasm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 92f73da5d29aef50cef6b7e9641cc354e7b1fea49396a7f1145e57818f8e7184
[INFO] running `Command { std: "docker" "start" "-a" "92f73da5d29aef50cef6b7e9641cc354e7b1fea49396a7f1145e57818f8e7184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92f73da5d29aef50cef6b7e9641cc354e7b1fea49396a7f1145e57818f8e7184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92f73da5d29aef50cef6b7e9641cc354e7b1fea49396a7f1145e57818f8e7184", kill_on_drop: false }`
[INFO] [stdout] 92f73da5d29aef50cef6b7e9641cc354e7b1fea49396a7f1145e57818f8e7184
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 423446af4625c43b71ed6f47ab0712bf420ed7647dba51bdbfb243e47511a5c5
[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" "423446af4625c43b71ed6f47ab0712bf420ed7647dba51bdbfb243e47511a5c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.51
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.51
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.51
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.51
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.51
[INFO] [stderr]     Checking hello-wasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.41s
[INFO] running `Command { std: "docker" "inspect" "423446af4625c43b71ed6f47ab0712bf420ed7647dba51bdbfb243e47511a5c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "423446af4625c43b71ed6f47ab0712bf420ed7647dba51bdbfb243e47511a5c5", kill_on_drop: false }`
[INFO] [stdout] 423446af4625c43b71ed6f47ab0712bf420ed7647dba51bdbfb243e47511a5c5