[INFO] fetching crate para 0.2.0...
[INFO] checking para-0.2.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate para 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate para 0.2.0 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate para 0.2.0
[INFO] finished tweaking crates.io crate para 0.2.0
[INFO] tweaked toml for crates.io crate para 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rich-phantoms v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56f1fa5b76e0fd4b4fc8de52c09442f631959ac7c23c4b90629055db9294fc3f
[INFO] running `Command { std: "docker" "start" "-a" "56f1fa5b76e0fd4b4fc8de52c09442f631959ac7c23c4b90629055db9294fc3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56f1fa5b76e0fd4b4fc8de52c09442f631959ac7c23c4b90629055db9294fc3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f1fa5b76e0fd4b4fc8de52c09442f631959ac7c23c4b90629055db9294fc3f", kill_on_drop: false }`
[INFO] [stdout] 56f1fa5b76e0fd4b4fc8de52c09442f631959ac7c23c4b90629055db9294fc3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d6393a1b2ba296212c4e8c64d96d31692bf1e9ea65ef1e56bfb0034b2b5facc
[INFO] running `Command { std: "docker" "start" "-a" "4d6393a1b2ba296212c4e8c64d96d31692bf1e9ea65ef1e56bfb0034b2b5facc", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking rich-phantoms v0.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking para v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(in_band_lifetimes)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed due to unsolved ergonomic questions and added lifetime resolution complexity
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(in_band_lifetimes)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed due to unsolved ergonomic questions and added lifetime resolution complexity
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]  --> src/consumer/map.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn pipe<C: Consumer<'a, O>>(self, consumer: &'a C) -> Map<'a, I, O, Self, C> {
[INFO] [stdout]   |                         ^^ undeclared lifetime
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information on higher-ranked polymorphism, visit https://doc.rust-lang.org/nomicon/hrtb.html
[INFO] [stdout] help: consider making the bound lifetime-generic with a new `'a` lifetime
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn pipe<C: for<'a> Consumer<'a, O>>(self, consumer: &'a C) -> Map<'a, I, O, Self, C> {
[INFO] [stdout]   |                +++++++
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn pipe<'a, C: Consumer<'a, O>>(self, consumer: &'a C) -> Map<'a, I, O, Self, C> {
[INFO] [stdout]   |             +++
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Mapper<'a, I, O>: Sized {
[INFO] [stdout]   |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]  --> src/consumer/map.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn pipe<C: Consumer<'a, O>>(self, consumer: &'a C) -> Map<'a, I, O, Self, C> {
[INFO] [stdout]   |                         ^^ undeclared lifetime
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information on higher-ranked polymorphism, visit https://doc.rust-lang.org/nomicon/hrtb.html
[INFO] [stdout] help: consider making the bound lifetime-generic with a new `'a` lifetime
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn pipe<C: for<'a> Consumer<'a, O>>(self, consumer: &'a C) -> Map<'a, I, O, Self, C> {
[INFO] [stdout]   |                +++++++
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn pipe<'a, C: Consumer<'a, O>>(self, consumer: &'a C) -> Map<'a, I, O, Self, C> {
[INFO] [stdout]   |             +++
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Mapper<'a, I, O>: Sized {
[INFO] [stdout]   |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]  --> src/consumer/map.rs:8:50
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn pipe<C: Consumer<'a, O>>(self, consumer: &'a C) -> Map<'a, I, O, Self, C> {
[INFO] [stdout]   |                                                  ^^ undeclared lifetime
[INFO] [stdout]   |
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn pipe<'a, C: Consumer<'a, O>>(self, consumer: &'a C) -> Map<'a, I, O, Self, C> {
[INFO] [stdout]   |             +++
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Mapper<'a, I, O>: Sized {
[INFO] [stdout]   |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]  --> src/consumer/map.rs:8:50
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn pipe<C: Consumer<'a, O>>(self, consumer: &'a C) -> Map<'a, I, O, Self, C> {
[INFO] [stdout]   |                                                  ^^ undeclared lifetime
[INFO] [stdout]   |
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn pipe<'a, C: Consumer<'a, O>>(self, consumer: &'a C) -> Map<'a, I, O, Self, C> {
[INFO] [stdout]   |             +++
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Mapper<'a, I, O>: Sized {
[INFO] [stdout]   |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]  --> src/consumer/map.rs:8:63
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn pipe<C: Consumer<'a, O>>(self, consumer: &'a C) -> Map<'a, I, O, Self, C> {
[INFO] [stdout]   |                                                               ^^ undeclared lifetime
[INFO] [stdout]   |
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn pipe<'a, C: Consumer<'a, O>>(self, consumer: &'a C) -> Map<'a, I, O, Self, C> {
[INFO] [stdout]   |             +++
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Mapper<'a, I, O>: Sized {
[INFO] [stdout]   |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]  --> src/consumer/map.rs:8:63
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn pipe<C: Consumer<'a, O>>(self, consumer: &'a C) -> Map<'a, I, O, Self, C> {
[INFO] [stdout]   |                                                               ^^ undeclared lifetime
[INFO] [stdout]   |
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn pipe<'a, C: Consumer<'a, O>>(self, consumer: &'a C) -> Map<'a, I, O, Self, C> {
[INFO] [stdout]   |             +++
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Mapper<'a, I, O>: Sized {
[INFO] [stdout]   |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0261, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0261`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0261, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0261`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `para` (lib test) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `para` (lib) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "4d6393a1b2ba296212c4e8c64d96d31692bf1e9ea65ef1e56bfb0034b2b5facc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d6393a1b2ba296212c4e8c64d96d31692bf1e9ea65ef1e56bfb0034b2b5facc", kill_on_drop: false }`
[INFO] [stdout] 4d6393a1b2ba296212c4e8c64d96d31692bf1e9ea65ef1e56bfb0034b2b5facc
[INFO] checking para-0.2.0 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate para 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate para 0.2.0 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate para 0.2.0
[INFO] finished tweaking crates.io crate para 0.2.0
[INFO] tweaked toml for crates.io crate para 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e72c57739adcff665d221f27316d0c2915cfff885536d8dedad6b36b6c4865f
[INFO] running `Command { std: "docker" "start" "-a" "7e72c57739adcff665d221f27316d0c2915cfff885536d8dedad6b36b6c4865f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e72c57739adcff665d221f27316d0c2915cfff885536d8dedad6b36b6c4865f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e72c57739adcff665d221f27316d0c2915cfff885536d8dedad6b36b6c4865f", kill_on_drop: false }`
[INFO] [stdout] 7e72c57739adcff665d221f27316d0c2915cfff885536d8dedad6b36b6c4865f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e423edbffa778462b2b4cee8e0f50b85ccf529c99de41d51c67002c468e0ee28
[INFO] running `Command { std: "docker" "start" "-a" "e423edbffa778462b2b4cee8e0f50b85ccf529c99de41d51c67002c468e0ee28", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "e423edbffa778462b2b4cee8e0f50b85ccf529c99de41d51c67002c468e0ee28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e423edbffa778462b2b4cee8e0f50b85ccf529c99de41d51c67002c468e0ee28", kill_on_drop: false }`
[INFO] [stdout] e423edbffa778462b2b4cee8e0f50b85ccf529c99de41d51c67002c468e0ee28