[INFO] fetching crate ptth_core 1.1.0...
[INFO] checking ptth_core-1.1.0 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate ptth_core 1.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ptth_core 1.1.0 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ptth_core 1.1.0
[INFO] finished tweaking crates.io crate ptth_core 1.1.0
[INFO] tweaked toml for crates.io crate ptth_core 1.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc5e5f20e94c8953a5b3500d440cc4a24f73807590e4e58cacb673c53f8ef36e
[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" "bc5e5f20e94c8953a5b3500d440cc4a24f73807590e4e58cacb673c53f8ef36e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc5e5f20e94c8953a5b3500d440cc4a24f73807590e4e58cacb673c53f8ef36e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc5e5f20e94c8953a5b3500d440cc4a24f73807590e4e58cacb673c53f8ef36e", kill_on_drop: false }`
[INFO] [stdout] bc5e5f20e94c8953a5b3500d440cc4a24f73807590e4e58cacb673c53f8ef36e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c332c3e65565929af1d8e975692a0e2c7ad3b22fb90c9cfba50575c8ddc09434
[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" "c332c3e65565929af1d8e975692a0e2c7ad3b22fb90c9cfba50575c8ddc09434", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking ctrlc v3.1.8
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking serde v1.0.124
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking ptth_core v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]    --> src/http_serde.rs:65:7
[INFO] [stdout]     |
[INFO] [stdout] 65  |         use std::iter::FromIterator;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]    --> src/http_serde.rs:65:7
[INFO] [stdout]     |
[INFO] [stdout] 65  |         use std::iter::FromIterator;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[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 1m 22s
[INFO] running `Command { std: "docker" "inspect" "c332c3e65565929af1d8e975692a0e2c7ad3b22fb90c9cfba50575c8ddc09434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c332c3e65565929af1d8e975692a0e2c7ad3b22fb90c9cfba50575c8ddc09434", kill_on_drop: false }`
[INFO] [stdout] c332c3e65565929af1d8e975692a0e2c7ad3b22fb90c9cfba50575c8ddc09434