[INFO] cloning repository https://github.com/pop-os/upgrade
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pop-os/upgrade" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpop-os%2Fupgrade", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpop-os%2Fupgrade'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c2a95e407ded40811267b3c94ff86ae006c4530
[INFO] checking pop-os/upgrade against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpop-os%2Fupgrade" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pop-os/upgrade on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pop-os/upgrade
[INFO] removed workspace from git repo https://github.com/pop-os/upgrade
[INFO] finished tweaking git repo https://github.com/pop-os/upgrade
[INFO] tweaked toml for git repo https://github.com/pop-os/upgrade written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/pop-os/upgrade already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/pop-os/sysfs-class`
[INFO] [stderr]     Updating git repository `https://github.com/pop-os/apt-cli-wrappers`
[INFO] [stderr]     Updating git repository `https://github.com/pop-os/apt-sources-lists`
[INFO] [stderr]     Updating git repository `https://github.com/pop-os/distinst/`
[INFO] [stderr]     Updating git repository `https://github.com/pop-os/exit-status-ext`
[INFO] [stderr]     Updating git repository `https://github.com/pop-os/parallel-getter`
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/pop-os/sysfs-class`
[INFO] [stderr]     Updating git repository `https://github.com/pop-os/apt-cli-wrappers`
[INFO] [stderr]     Updating git repository `https://github.com/pop-os/apt-sources-lists`
[INFO] [stderr]     Updating git repository `https://github.com/pop-os/distinst/`
[INFO] [stderr]     Updating git repository `https://github.com/pop-os/exit-status-ext`
[INFO] [stderr]     Updating git repository `https://github.com/pop-os/parallel-getter`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "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 js-sys v0.3.45
[INFO] [stderr]   Downloaded glob v0.3.0
[INFO] [stderr]   Downloaded dirs v1.0.5
[INFO] [stderr]   Downloaded bindgen v0.53.3
[INFO] [stderr]   Downloaded smart-default v0.6.0
[INFO] [stderr]   Downloaded crossbeam v0.7.3
[INFO] [stderr]   Downloaded flate2 v1.0.18
[INFO] [stderr]   Downloaded hex v0.4.2
[INFO] [stderr]   Downloaded adler32 v1.2.0
[INFO] [stderr]   Downloaded serde_derive v1.0.116
[INFO] [stderr]   Downloaded hex v0.3.2
[INFO] [stderr]   Downloaded winreg v0.7.0
[INFO] [stderr]   Downloaded ipnet v2.3.0
[INFO] [stderr]   Downloaded serde_urlencoded v0.6.1
[INFO] [stderr]   Downloaded md-5 v0.8.0
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[INFO] [stderr]   Downloaded take_mut v0.2.2
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[INFO] [stderr]   Downloaded rle-decode-fast v1.0.1
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[INFO] [stderr]   Downloaded wasm-bindgen v0.2.68
[INFO] [stderr]   Downloaded systemd-boot-conf v0.2.1
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
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[INFO] [stderr]   Downloaded clap v2.33.3
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[INFO] [stderr]   Downloaded logind-dbus v0.1.1
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[INFO] [stderr]   Downloaded parking v2.0.0
[INFO] [stderr]   Downloaded cache-padded v1.1.1
[INFO] [stderr]   Downloaded concurrent-queue v1.2.2
[INFO] [stderr]   Downloaded fastrand v1.4.0
[INFO] [stderr]   Downloaded scoped-tls v1.0.0
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[INFO] [stderr]   Downloaded proc-mounts v0.2.4
[INFO] [stderr]   Downloaded async-channel v1.4.2
[INFO] [stderr]   Downloaded clang-sys v0.29.3
[INFO] [stderr]   Downloaded os-detect v0.2.2
[INFO] [stderr]   Downloaded rustc-hash v1.1.0
[INFO] [stderr]   Downloaded encoding_rs v0.8.24
[INFO] [stderr]   Downloaded disk-types v0.1.2
[INFO] [stderr]   Downloaded shrinkwraprs v0.3.0
[INFO] [stderr]   Downloaded which v3.1.1
[INFO] [stderr]   Downloaded rust-argon2 v0.8.2
[INFO] [stderr]   Downloaded objc-foundation v0.1.1
[INFO] [stderr]   Downloaded crossbeam-deque v0.5.2
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[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.68
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[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.68
[INFO] [stderr]   Downloaded piper v0.1.3
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.4+1.41.0
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[INFO] [stderr]   Downloaded human-sort v0.2.2
[INFO] [stderr]   Downloaded curl-sys v0.4.36+curl-7.71.1
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[INFO] [stderr]   Downloaded libdbus-sys v0.2.1
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[INFO] [stderr]   Downloaded futures-lite v0.1.11
[INFO] [stderr]   Downloaded atomic-waker v1.0.0
[INFO] [stderr]   Downloaded twoway v0.2.1
[INFO] [stderr]   Downloaded procfs v0.7.9
[INFO] [stderr]   Downloaded once_cell v1.4.1
[INFO] [stderr]   Downloaded numtoa v0.2.3
[INFO] [stderr]   Downloaded waker-fn v1.1.0
[INFO] [stderr]   Downloaded smol v0.1.18
[INFO] [stderr]   Downloaded unchecked-index v0.2.2
[INFO] [stderr]   Downloaded exec v0.3.1
[INFO] [stderr]   Downloaded mac-notification-sys v0.3.0
[INFO] [stderr]   Downloaded enclose v1.1.8
[INFO] [stderr]   Downloaded sluice v0.5.2
[INFO] [stderr]   Downloaded num-derive v0.3.2
[INFO] [stderr]   Downloaded tracing-attributes v0.1.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "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] 27a975ddbf3a5f69a6d04f2276f572c1fbca51217d9bbfee01f60a84ad37c855
[INFO] running `Command { std: "docker" "start" "-a" "27a975ddbf3a5f69a6d04f2276f572c1fbca51217d9bbfee01f60a84ad37c855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27a975ddbf3a5f69a6d04f2276f572c1fbca51217d9bbfee01f60a84ad37c855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27a975ddbf3a5f69a6d04f2276f572c1fbca51217d9bbfee01f60a84ad37c855", kill_on_drop: false }`
[INFO] [stdout] 27a975ddbf3a5f69a6d04f2276f572c1fbca51217d9bbfee01f60a84ad37c855
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b4894aed9b2e1ff7273acc629b1978d4b1372b1e2694da34339a1002d887a83
[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" "6b4894aed9b2e1ff7273acc629b1978d4b1372b1e2694da34339a1002d887a83", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.26
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling rustversion v1.0.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking numtoa v0.2.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking cascade v0.1.4
[INFO] [stderr]    Compiling isahc v0.9.10
[INFO] [stderr]     Checking distinst-bootloader v0.1.0 (https://github.com/pop-os/distinst/#312f60ff)
[INFO] [stderr]     Checking libflate_lz77 v1.0.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking exit-status-ext v0.1.0 (https://github.com/pop-os/exit-status-ext#46700735)
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking progress-streams v1.1.0
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking atomic v0.4.6
[INFO] [stderr]     Checking fomat-macros v0.3.1
[INFO] [stderr]     Checking human-sort v0.2.2
[INFO] [stderr]     Checking enclose v1.1.8
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking os-release v0.1.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking sysfs-class v0.1.3 (https://github.com/pop-os/sysfs-class#c3b86e07)
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking snailquote v0.2.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking encoding_rs v0.8.24
[INFO] [stderr]     Checking async-channel v1.4.2
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking indexmap v1.6.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking envfile v0.2.1
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking twoway v0.2.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking fern v0.6.0
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking libflate v1.0.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking errno v0.2.6
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking fd-reactor v0.1.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking dbus v0.6.5
[INFO] [stderr]    Compiling clang-sys v0.29.3
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[INFO] [stdout] warning: value assigned to `processing` is never read
[INFO] [stdout]    --> src/daemon/mod.rs:216:25
[INFO] [stdout]     |
[INFO] [stdout] 216 |                         processing = true;
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `processing` is never read
[INFO] [stdout]    --> src/daemon/mod.rs:216:25
[INFO] [stdout]     |
[INFO] [stdout] 216 |                         processing = true;
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 18s
[INFO] running `Command { std: "docker" "inspect" "6b4894aed9b2e1ff7273acc629b1978d4b1372b1e2694da34339a1002d887a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b4894aed9b2e1ff7273acc629b1978d4b1372b1e2694da34339a1002d887a83", kill_on_drop: false }`
[INFO] [stdout] 6b4894aed9b2e1ff7273acc629b1978d4b1372b1e2694da34339a1002d887a83