[INFO] cloning repository https://github.com/qryxip/bash-on-atcoder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qryxip/bash-on-atcoder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqryxip%2Fbash-on-atcoder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqryxip%2Fbash-on-atcoder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f55f3ade5471a33945e03b88810538bdf2da46f
[INFO] checking qryxip/bash-on-atcoder against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqryxip%2Fbash-on-atcoder" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qryxip/bash-on-atcoder on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/qryxip/bash-on-atcoder
[INFO] finished tweaking git repo https://github.com/qryxip/bash-on-atcoder
[INFO] tweaked toml for git repo https://github.com/qryxip/bash-on-atcoder written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/qryxip/bash-on-atcoder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rpassword v5.0.0
[INFO] [stderr]   Downloaded structopt-derive v0.4.13
[INFO] [stderr]   Downloaded structopt v0.3.20
[INFO] [stderr]   Downloaded humantime v2.0.1
[INFO] [stderr]   Downloaded env_logger v0.8.1
[INFO] [stderr]   Downloaded curl v0.4.34
[INFO] [stderr]   Downloaded syn v1.0.46
[INFO] [stderr]   Downloaded curl-sys v0.4.38+curl-7.73.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62b6c8fcc87fb632d81a36635d06a31013f42a01c955c77cf6ccd4d27e98322e
[INFO] running `Command { std: "docker" "start" "-a" "62b6c8fcc87fb632d81a36635d06a31013f42a01c955c77cf6ccd4d27e98322e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62b6c8fcc87fb632d81a36635d06a31013f42a01c955c77cf6ccd4d27e98322e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b6c8fcc87fb632d81a36635d06a31013f42a01c955c77cf6ccd4d27e98322e", kill_on_drop: false }`
[INFO] [stdout] 62b6c8fcc87fb632d81a36635d06a31013f42a01c955c77cf6ccd4d27e98322e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e39daecc4e1c7f64fe5e46559edfa027c23676e33d8a07c753219f3ba0385f85
[INFO] running `Command { std: "docker" "start" "-a" "e39daecc4e1c7f64fe5e46559edfa027c23676e33d8a07c753219f3ba0385f85", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stdout] error[E0793]: reference to packed field is unaligned
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tendril-0.4.1/src/tendril.rs:241:20
[INFO] [stdout]     |
[INFO] [stdout] 241 |                 if (*header).refcount.decrement() == 1 {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: packed structs are only aligned by one byte, and many modern architectures penalize unaligned field accesses
[INFO] [stdout]     = note: creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stdout]     = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0793]: reference to packed field is unaligned
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tendril-0.4.1/src/tendril.rs:958:9
[INFO] [stdout]     |
[INFO] [stdout] 958 |         (*self.header()).refcount.increment();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: packed structs are only aligned by one byte, and many modern architectures penalize unaligned field accesses
[INFO] [stdout]     = note: creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stdout]     = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0793`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tendril` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e39daecc4e1c7f64fe5e46559edfa027c23676e33d8a07c753219f3ba0385f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e39daecc4e1c7f64fe5e46559edfa027c23676e33d8a07c753219f3ba0385f85", kill_on_drop: false }`
[INFO] [stdout] e39daecc4e1c7f64fe5e46559edfa027c23676e33d8a07c753219f3ba0385f85