[INFO] fetching crate tc-btree 0.1.6...
[INFO] checking tc-btree-0.1.6 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate tc-btree 0.1.6 into /workspace/builds/worker-33/source
[INFO] validating manifest of crates.io crate tc-btree 0.1.6 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tc-btree 0.1.6
[INFO] finished tweaking crates.io crate tc-btree 0.1.6
[INFO] tweaked toml for crates.io crate tc-btree 0.1.6 written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--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-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b1a851aa9d472de6fadffac61454877d3cd08ba0e30f6326a8585defdbc717a
[INFO] running `Command { std: "docker" "start" "-a" "6b1a851aa9d472de6fadffac61454877d3cd08ba0e30f6326a8585defdbc717a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b1a851aa9d472de6fadffac61454877d3cd08ba0e30f6326a8585defdbc717a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b1a851aa9d472de6fadffac61454877d3cd08ba0e30f6326a8585defdbc717a", kill_on_drop: false }`
[INFO] [stdout] 6b1a851aa9d472de6fadffac61454877d3cd08ba0e30f6326a8585defdbc717a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a224bf5e666a6fa4c781826723ec85116a1dd58d1154fe363da23e2e65fc3e80
[INFO] running `Command { std: "docker" "start" "-a" "a224bf5e666a6fa4c781826723ec85116a1dd58d1154fe363da23e2e65fc3e80", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking safecast v0.1.1
[INFO] [stderr]     Checking collate v0.1.10
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]     Checking futures-channel v0.3.16
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking futures-util v0.3.16
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking uplock v0.1.2
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]     Checking destream v0.5.0
[INFO] [stderr]     Checking tc-error v0.2.4
[INFO] [stderr]     Checking number-general v0.3.10
[INFO] [stderr]     Checking tbon v0.3.5
[INFO] [stderr]     Checking tcgeneric v0.2.1
[INFO] [stderr]     Checking tc-value v0.1.12
[INFO] [stderr]     Checking tc-transact v0.8.0
[INFO] [stderr]     Checking tc-btree v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 07s
[INFO] running `Command { std: "docker" "inspect" "a224bf5e666a6fa4c781826723ec85116a1dd58d1154fe363da23e2e65fc3e80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a224bf5e666a6fa4c781826723ec85116a1dd58d1154fe363da23e2e65fc3e80", kill_on_drop: false }`
[INFO] [stdout] a224bf5e666a6fa4c781826723ec85116a1dd58d1154fe363da23e2e65fc3e80