[INFO] fetching crate para 0.2.0...
[INFO] checking para-0.2.0 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate para 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate para 0.2.0 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77a5d96f997e0692a6a33c0766ab5e89fd2440cba0239f9e7f662ab56b807036
[INFO] running `Command { std: "docker" "start" "-a" "77a5d96f997e0692a6a33c0766ab5e89fd2440cba0239f9e7f662ab56b807036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77a5d96f997e0692a6a33c0766ab5e89fd2440cba0239f9e7f662ab56b807036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77a5d96f997e0692a6a33c0766ab5e89fd2440cba0239f9e7f662ab56b807036", kill_on_drop: false }`
[INFO] [stdout] 77a5d96f997e0692a6a33c0766ab5e89fd2440cba0239f9e7f662ab56b807036
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 525c464bf66ecbd97be7d3d3c6e93b1879c9c457803b0afdb2674a71f391e7b1
[INFO] running `Command { std: "docker" "start" "-a" "525c464bf66ecbd97be7d3d3c6e93b1879c9c457803b0afdb2674a71f391e7b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking rich-phantoms v0.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[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:8:50
[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:8:25
[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:8:63
[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) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `para` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "525c464bf66ecbd97be7d3d3c6e93b1879c9c457803b0afdb2674a71f391e7b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "525c464bf66ecbd97be7d3d3c6e93b1879c9c457803b0afdb2674a71f391e7b1", kill_on_drop: false }`
[INFO] [stdout] 525c464bf66ecbd97be7d3d3c6e93b1879c9c457803b0afdb2674a71f391e7b1
[INFO] checking para-0.2.0 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate para 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate para 0.2.0 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "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-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1adbeaf54fc5c3c6aa962dc227e5143562fdb7db74bc257978c1ec1a424d6ccb
[INFO] running `Command { std: "docker" "start" "-a" "1adbeaf54fc5c3c6aa962dc227e5143562fdb7db74bc257978c1ec1a424d6ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1adbeaf54fc5c3c6aa962dc227e5143562fdb7db74bc257978c1ec1a424d6ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1adbeaf54fc5c3c6aa962dc227e5143562fdb7db74bc257978c1ec1a424d6ccb", kill_on_drop: false }`
[INFO] [stdout] 1adbeaf54fc5c3c6aa962dc227e5143562fdb7db74bc257978c1ec1a424d6ccb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cda6f2d31a2ec272b4ee42dced1ec35beaa80a68141b755beb01c34031e76d12
[INFO] running `Command { std: "docker" "start" "-a" "cda6f2d31a2ec272b4ee42dced1ec35beaa80a68141b755beb01c34031e76d12", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[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 v0.5.12
[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[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:8:63
[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] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/scheduler.rs:30:22
[INFO] [stdout]    |
[INFO] [stdout] 30 |             for _ in 0..num_threads {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[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:8:50
[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] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/scheduler.rs:30:22
[INFO] [stdout]    |
[INFO] [stdout] 30 |             for _ in 0..num_threads {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[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) due to 5 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[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; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "cda6f2d31a2ec272b4ee42dced1ec35beaa80a68141b755beb01c34031e76d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda6f2d31a2ec272b4ee42dced1ec35beaa80a68141b755beb01c34031e76d12", kill_on_drop: false }`
[INFO] [stdout] cda6f2d31a2ec272b4ee42dced1ec35beaa80a68141b755beb01c34031e76d12
