[INFO] fetching crate surf 2.0.0-alpha.4...
[INFO] checking surf-2.0.0-alpha.4 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate surf 2.0.0-alpha.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate surf 2.0.0-alpha.4 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate surf 2.0.0-alpha.4
[INFO] finished tweaking crates.io crate surf 2.0.0-alpha.4
[INFO] tweaked toml for crates.io crate surf 2.0.0-alpha.4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate surf 2.0.0-alpha.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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 async-std v1.6.0
[INFO] [stderr]   Downloaded kv-log-macro v1.0.6
[INFO] [stderr]   Downloaded backtrace v0.3.48
[INFO] [stderr]   Downloaded femme v1.3.0
[INFO] [stderr]   Downloaded tracing v0.1.14
[INFO] [stderr]   Downloaded piper v0.1.2
[INFO] [stderr]   Downloaded async-h1 v2.0.1
[INFO] [stderr]   Downloaded mockito v0.23.3
[INFO] [stderr]   Downloaded object v0.19.0
[INFO] [stderr]   Downloaded infer v0.1.6
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.3
[INFO] [stderr]   Downloaded smol v0.1.10
[INFO] [stderr]   Downloaded wepoll-sys v2.0.0
[INFO] [stderr]   Downloaded wepoll-binding v2.0.2
[INFO] [stderr]   Downloaded scoped-tls-hkt v0.1.2
[INFO] [stderr]   Downloaded async-log v1.1.0
[INFO] [stderr]   Downloaded async-log-attributes v1.0.1
[INFO] [stderr]   Downloaded standback v0.2.8
[INFO] [stderr]   Downloaded cookie v0.13.3
[INFO] [stderr]   Downloaded http-types v2.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7196394453d4187bb5ce24d675c5f06245c29629b560634d74979b0307d25f1b
[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" "7196394453d4187bb5ce24d675c5f06245c29629b560634d74979b0307d25f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7196394453d4187bb5ce24d675c5f06245c29629b560634d74979b0307d25f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7196394453d4187bb5ce24d675c5f06245c29629b560634d74979b0307d25f1b", kill_on_drop: false }`
[INFO] [stdout] 7196394453d4187bb5ce24d675c5f06245c29629b560634d74979b0307d25f1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] c723a0eec1dae92a876f84383e7a9252402de37e7d274f837b4159537cb04baf
[INFO] running `Command { std: "docker" "start" "-a" "c723a0eec1dae92a876f84383e7a9252402de37e7d274f837b4159537cb04baf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling standback v0.2.8
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking scoped-tls-hkt v0.1.2
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking pin-project-lite v0.1.5
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling isahc v0.9.3
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.3
[INFO] [stderr]    Compiling ring v0.16.13
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling openssl-sys v0.9.57
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.31+curl-7.70.0
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking encoding_rs v0.8.23
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking infer v0.1.6
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking kv-log-macro v1.0.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking byte-pool v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking console v0.7.7
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling async-log-attributes v1.0.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking async-log v1.1.0
[INFO] [stderr]    Compiling curl v0.4.29
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]    Compiling extend v0.1.2
[INFO] [stderr]     Checking tracing v0.1.14
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]     Checking cookie v0.13.3
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking piper v0.1.2
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking sluice v0.5.2
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking smol v0.1.10
[INFO] [stderr]     Checking async-std v1.6.0
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking assert-json-diff v1.0.3
[INFO] [stderr]     Checking femme v1.3.0
[INFO] [stderr]     Checking mockito v0.23.3
[INFO] [stderr]     Checking http-types v2.1.0
[INFO] [stderr]     Checking async-native-tls v0.3.3
[INFO] [stderr]     Checking async-h1 v2.0.1
[INFO] [stderr]     Checking http-client v3.0.0
[INFO] [stderr]     Checking surf v2.0.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 06s
[INFO] running `Command { std: "docker" "inspect" "c723a0eec1dae92a876f84383e7a9252402de37e7d274f837b4159537cb04baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c723a0eec1dae92a876f84383e7a9252402de37e7d274f837b4159537cb04baf", kill_on_drop: false }`
[INFO] [stdout] c723a0eec1dae92a876f84383e7a9252402de37e7d274f837b4159537cb04baf